Urethane and Other Foam Product (except Polystyrene) Manufacturing — U.S. Industry Primer

NAICS 2022 code 326150. NAICS is the North American Industry Classification System, the standard the U.S. government uses to group businesses. This code sits in the official 31–33 Manufacturing sector, within subsector 326, Plastics and Rubber Products Manufacturing.[4]

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1. Overview

This industry turns liquid chemicals into foam. Its workhorse product is polyurethane (PU) foam — the soft, springy material inside your mattress, sofa cushion, and car seat, and the rigid insulation sprayed into walls and attics. The code also covers other non-polystyrene foams (latex, polyethylene, EVA — ethylene-vinyl acetate). It is a genuine factory-based manufacturing industry: roughly 649 U.S. plants shipping about $13.2 billion a year and employing about 33,500 people.[1][2]

Why an investor should care: foam sits underneath several very large consumer and industrial end-markets — bedding, furniture, autos, construction insulation, and protective packaging. It is a commodity-conversion business whose profits swing with two things: the price of petroleum-based inputs and the health of housing, auto, and furniture demand. That makes it cyclical and rate-sensitive, but also a clean read on the "real economy" of homes and cars.

Public vs. private ways in: there is effectively no U.S.-listed pure-play foam maker. The biggest producers — Carpenter Co., FXI, Future Foam, Hickory Springs, Woodbridge — are private or private-equity-owned. Public investors get exposure indirectly through diversified or downstream firms (Leggett & Platt, Tempur Sealy, UFP Technologies, Rogers Corp) and through the upstream chemical majors that supply the raw materials. Private investors are where most of the action is: this is a fragmented, deal-heavy industry that private equity has been rolling up for a decade.

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2. What it is and how it's structured

Scope. NAICS 326150 covers establishments that make plastics foam products other than polystyrene. Census index entries include polyurethane foam products, seat and carpet cushions, insulation, packaging, coolers and other non-polystyrene foam-plastic articles.[4] In practice that means:

• Flexible polyurethane foam — mattresses and mattress cores, upholstered-furniture cushioning, carpet cushion/underlay, automotive seating and headrests. This is the largest segment; flexible foam is roughly 58–59% of global PU-foam revenue. The Polyurethane Foam Association reports more than 1.5 billion pounds of flexible polyurethane foam produced and used annually in the United States.[6][19]
• Rigid polyurethane foam — insulation board, spray polyurethane foam (SPF) for building envelopes, refrigeration and cold-chain insulation.
• Other/engineered foams — protective and cushion packaging, foam coolers and vacuum jugs, medical and footwear foams, specialty industrial foams (gaskets, seals, vibration pads).[4]

How it's made. Flexible polyurethane foam is made by reacting polyols with diisocyanates — principally TDI or MDI — using catalysts, surfactants and additives to control cell structure, density, resilience, flame performance and other properties. In slabstock production, metered liquid chemicals are mixed and discharged onto a moving conveyor, where the exothermic reaction produces a continuous "bun." The bun cures and is then slit, sawed, convoluted, laminated, die-cut or otherwise fabricated. Molded foam is poured or injected into tooling, often around frames or inserts, for high-volume products such as automotive headrests and seat cushions.[19][20]

What it excludes (adjacent NAICS codes — important for not double-counting):

• 326140 Polystyrene Foam Product Manufacturing — Styrofoam-type products, cups, and EPS insulation are a separate code.[4]
• 32511/32519 (basic organic and plastics-material chemicals) — the companies that make the isocyanates and polyols (Dow, BASF, Huntsman, Covestro, Wanhua) are chemical producers, not foam-product makers. They sit upstream.
• 337 (furniture) and 3363 (motor-vehicle parts / seating) — the firms that assemble the finished mattress, sofa, or car seat are downstream, even when foam is the key component.

Ownership mix. Overwhelmingly private. The industry counts about 472 firms running about 649 establishments — so multi-plant operators exist, but the median business is a single regional plant.[1][2] The largest players are family-held (Carpenter, Future Foam, Hickory Springs), private-equity-controlled (FXI, backed by One Rock Capital with Bain Capital as a minority holder), or foreign/captive (Woodbridge in autos).[8][10][15][21] The handful of public touchpoints are diversified companies for which foam is one input among many. Because the Census classifies establishments by their primary activity, an integrated bedding company may have some plants in 326150 and others in mattress manufacturing, chemicals, or corporate-management categories.

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3. How big it is

Federal figures (our ground-truth statistics):

The industry is moderate-sized and slow-growing. Independent trade estimates put current revenue in the $13–14 billion range, essentially flat-to-low-single-digit growth, reflecting soft housing and furniture demand through the high-rate years of 2022–2025.[5] Value added — an industrial-accounting measure (shipments less purchased inputs and certain services) — was $5.7 billion in 2020; this is not EBITDA, operating income, or free cash flow.[22]

Undercount caveat. The federal count captures this industry reasonably well — it is real plants with payrolls, not gig or micro-operators, so the establishment and employment figures are trustworthy. The bigger caveat is the opposite: these numbers understate polyurethane's total economic footprint. Most of the value chain's dollars land outside code 326150 — upstream in the chemical makers (a separate NAICS sector) and downstream in the furniture, mattress, and auto-seating assemblers (codes 337 and 3363). And because low-density foam is expensive to ship, some large manufacturers run foam-pouring as a captive operation inside a mattress or auto-parts company, where it may be classified under the parent's code rather than here. So $13.2 billion is the "foam product converter" slice, not the size of the polyurethane economy.

Market-size warning. Global "polyurethane foam market" estimates from trade reports commonly mix upstream chemicals, foreign production, finished mattresses, spray systems, and applications manufactured in other NAICS categories. The defensible federal figure is the Census/NIST shipments data, not extrapolated market-research estimates.

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4. The investable universe

There is no listed pure-play in NAICS 326150. The table below shows the practical public routes (foam is a meaningful but partial part of each business) and the major private producers.

Public companies with foam exposure

Upstream, the raw-material majors are the other public way to touch the theme — Dow, BASF, Huntsman, Covestro, and China's Wanhua make the isocyanates (MDI, TDI) and polyols. They are chemical companies, not foam-product makers, but foam demand drives a large share of their volumes. Huntsman's Polyurethanes segment (MDI, polyols, TPU, and related products) reported $3.7 billion of 2025 revenue and approximately 3.9% adjusted EBITDA margin, reflecting upstream cyclicality and MDI margin pressure — useful context on chemical-side economics, though not a benchmark for 326150 converters.[28]

Major private / other producers

Takeaway: for public-market investors this is a "buy the customer or the supplier" industry, not the foam converter directly. For private investors it is an active roll-up space.

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5. How the money works

Foam-making is a spread business. A converter buys two liquid petrochemicals — an isocyanate (MDI, methylene diphenyl diisocyanate, or TDI, toluene diisocyanate) plus a polyol — mixes in blowing agents, catalysts and additives, and reacts them into foam that is sold to furniture, mattress, auto, and construction customers or to fabricators. Owners make money on the difference between the selling price and the chemical cost, times volume, minus the substantial cost of moving a bulky, low-density product.

The levers that actually drive profit:

• Input spread and cost pass-through. Isocyanates and polyols are petroleum derivatives and typically the largest chunk of cost of goods. PU MDI ran near $1,890 per metric ton in mid-2025 and PU resin near $1,750 per metric ton, and both track crude oil — though upstream plant outages, maintenance, capacity additions, feedstock availability and regional supply-demand balances can dominate short-term pricing.[7] Producers raise or cut prices to pass costs through, but always with a lag — margins get squeezed when isocyanate prices spike faster than customers accept increases, and expand when input costs fall. Leggett & Platt identifies TDI, MDI and polyol as its relevant chemical exposures and says it has generally passed input-cost changes to customers.[23] Managing this spread is the core skill.
• Capacity utilization. Pouring lines are capital equipment with meaningful fixed labor, maintenance and overhead; profitability rises with volume through the plant. Weak housing or auto demand that leaves lines idle hits margins hard — earnings can fall faster than volume.
• Freight and the "500-mile rule." Foam is mostly air — very high volume-to-weight — so it is uneconomic to ship far. EPA's industry analysis describes long-distance shipment of flexible foam as economically unattractive.[20] That gives the industry a natural regional structure: plants cluster near their furniture, mattress, and auto customers, and competition is local. It also explains why the national market looks fragmented even though a few names dominate.
• Product mix. Commodity furniture and carpet foam competes heavily on density, specification and delivered price. Medical, filtration, acoustic, aerospace and engineered packaging products can earn better returns because qualification, tooling, fabrication tolerances and customer integration create switching costs.
• Yield and scrap recovery. Cutting geometry and fabrication complexity determine scrap generation. Clean process scrap has value in rebond carpet cushion, reducing net material cost. The PFA reports roughly 85% of U.S. carpet cushion is recycled flexible polyurethane foam, with bonded cushion typically containing about 90% recycled content; approximately 1.2 billion pounds of post-industrial and post-consumer scrap is diverted annually into carpet cushion.[31]
• Vertical integration. The strongest economics come from controlling more of the chain — Carpenter integrates back into its own chemistry, and Tempur Sealy makes its own proprietary foam and now owns distribution. Integration smooths the input-cost cycle and captures branded, higher-margin end-products (memory foam sells at a 20–30% premium to commodity foam).[11]

In short: thin margins, high volume, cyclical, and won on input-cost management, plant utilization, and logistics — not on any single blockbuster product.

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6. What drives demand

Foam is a derived-demand industry — it rises and falls with the products it goes into:

• Bedding and furniture (the largest driver): mattress and upholstered-furniture output. Big-ticket, discretionary, and highly sensitive to interest rates, housing turnover, and consumer confidence. Furniture and bedding is the single biggest slice of the North American foam market (~35%).[16] Memory foam, hybrid mattresses, compressed "bed-in-a-box" distribution and temperature-management additives have increased technical content.
• Construction and insulation: rigid and spray foam demand tracks new building, remodeling, and — increasingly — energy codes. SPF wins share because it delivers a higher R-value (insulating power) per inch and air-sealing; the U.S./North American SPF market is growing at a mid-single-digit-plus annual rate.[6]
• Automotive: seating, headrests, and interior foam scale with vehicle production, and electric vehicles add demand for lightweight foams and for engineered battery-pad foams.[14][16]
• Packaging: protective and cushion packaging for electronics, medical devices, and e-commerce shipments.
• Medical and specialty: engineered foams for devices, wound care, footwear, and industrial sealing — smaller volumes but higher margin (the UFP Technologies and Rogers niches).[13][14]

Because housing, autos, and durable goods all move together with the credit cycle, foam demand is pro-cyclical and reads directly off interest rates. Leggett's recent results show the downside clearly: its Bedding Products volume fell 12% in 2025, reflecting weak residential demand, customer losses, retailer merchandising changes and restructuring-related attrition.[23]

Substitution works both directions. Polyurethane displaced cotton and other traditional automotive cushioning, but it competes with latex, polyester fiber, springs, molded pulp, polyethylene and polypropylene foams, rubber foams, fiberglass, mineral wool and cellulose. In bedding, hybrid spring designs can reduce the amount of foam per mattress even when overall mattress sales are stable.

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7. Regulation

Foam-making is chemically regulated on multiple fronts:

• Worker safety (OSHA). Isocyanates are respiratory sensitizers that can cause occupational asthma. OSHA enforces ceiling permissible-exposure limits of 0.02 parts per million for both MDI and TDI; isocyanate handling is a core compliance cost. Improperly controlled maintenance, spills or foam-blowing operations can create liability and workforce disruption even when cured end products are stable.[17][32]
• Chemicals and air emissions (EPA / TSCA / NESHAP). EPA regulates these substances under the Toxic Substances Control Act (TSCA). EPA issued action plans on MDI and related diisocyanates and runs a program specific to spray polyurethane foam; TDI and related chemicals have been in the queue for TSCA risk evaluation. EPA's flexible-polyurethane NESHAP covers production and fabrication sources, including restrictions on hazardous-air-pollutant-based adhesives; EPA's 2025 review retained the basic standards and tightened the definition applicable to loop-slitters using HAP-containing adhesives.[17][33]
• Flammability and flame retardants. Mattresses are governed by federal flammability standards in 16 CFR Parts 1632 and 1633, while upholstered furniture is governed by Part 1640, which incorporates California's TB117-2013 (a smolder test that can be met without added flame-retardant chemicals).[18][34][35] A decade of health concern over flame-retardant chemicals (such as chlorinated "tris") pushed the industry to reformulate away from them. Compliance is imposed principally on finished-product manufacturers, but foam density, barrier systems, additives and test performance flow upstream into foam specifications and potential product liability.
• Blowing agents. Rigid and spray foam historically used hydrofluorocarbon (HFC) blowing agents; under EPA's HFC Technology Transitions rules, polyurethane rigid, flexible, integral-skin and laminated-boardstock foams became subject to a 150 global-warming-potential limit beginning January 1, 2025, subject to the rule's detailed exceptions and sell-through provisions. This pushes formulators toward lower-GWP hydrofluoroolefin (HFO) agents — a reformulation cost and a differentiator.[36]

Trade policy matters too: while raw foam is hard to import, finished foam-containing goods are not, so antidumping and countervailing duties on imported mattresses (from China, Vietnam, and others) indirectly protect domestic foam demand.

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8. Competitive dynamics and consolidation

On paper the industry looks unconcentrated: the four largest firms hold about 27.9% of revenue, the top eight about 38.2%, the top 50 about 72%, and the Herfindahl-Hirschman Index (HHI, a standard concentration gauge) is just 277.7 — well below the 1,500 "unconcentrated" line.[1] But that national picture is misleading:

• Regional oligopolies. Because foam can't ship far, the market that matters to any given customer is local, where two or three producers may dominate.
• Segment concentration. Specific niches — branded memory foam, automotive molded foam, engineered medical foam — are far more concentrated than the aggregate suggests.
• A history of coordination. The fragmentation didn't stop a major price-fixing episode: In re Polyurethane Foam Antitrust Litigation alleged a conspiracy among leading producers and settled for over $440 million, with Carpenter alone paying $108 million; defendants included Carpenter, Woodbridge, Hickory Springs, Vitafoam, Foamex, Future Foam, and Leggett & Platt.[16]

Consolidation is the defining trend. FXI and Innocor merged in an ~$850 million deal to create a flexible-foam leader; Carpenter has rolled up Recticel's engineered-foams business, NCFI's consumer division, and others; Tempur Sealy integrated forward into retail; and in 2026 auto-seat maker Adient bought a foam plant from Woodbridge to pull foam in-house.[8][9][10][15] Private equity (One Rock, Bain) has been the engine. The direction is fewer, larger, more vertically integrated players. Most recently, Somnigroup's proposed acquisition of Leggett & Platt (~$2.5 billion, announced April 2026) would consolidate additional bedding-component capacity under the world's largest bedding company.[24]

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9. Risks

• Input-cost volatility. MDI, TDI, and polyol prices move with crude oil and with global isocyanate capacity; a fast run-up compresses margins before prices can be passed through.[7]
• Cyclicality. Demand is tied to housing, autos, and big-ticket furniture — all rate-sensitive. A high-rate or recessionary stretch (like 2022–2025) idles capacity and pressures profits.[5][23]
• Regulatory and chemical liability. Isocyanate exposure, flame-retardant litigation history, HFC blowing-agent phase-downs, and ongoing TSCA reviews all add compliance cost and headline risk.[17][18][36]
• Antitrust exposure. A concentrated, coordination-prone structure has already produced a nine-figure price-fixing settlement; it remains a live legal risk for the majors.[16]
• Customer concentration and captive insourcing. As big buyers (autos, mattress makers) pull foam-making in-house, independent converters can lose volume — Leggett & Platt's customer losses and Adient's Woodbridge plant purchase are examples.[15][23]
• Substitution and freight. Alternative insulation and cushioning materials, plus the structural cost of shipping bulky foam, cap pricing power and geographic reach.
• Other operational risks. Chemical-supply outages, fire at curing or storage facilities, volatile scrap values, landfill and extended-producer-responsibility rules, and labor availability in cutting and fabrication.

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10. How to invest and the outlook

Public-market routes. Since there's no listed pure-play, choose your angle:

• Bedding/branded foam — Tempur Sealy (TPX), the most direct large-cap way to own proprietary foam plus distribution; Leggett & Platt (LEG) for diversified exposure where foam is one of many lines — though note pending Somnigroup acquisition may remove LEG as a standalone security by year-end 2026.[11][24]
• Engineered/specialty foam — UFP Technologies (UFPT) and Rogers (ROG) for the higher-margin medical, packaging, and EV-battery niches, which grow faster and are less commoditized than cushion foam; Sealed Air (SEE) and Carlisle (CSL) for smaller foam-in-place and SPF exposures within diversified portfolios.[13][14][26][27]
• Upstream — the chemical majors (Dow, BASF, Huntsman, Covestro) for leveraged exposure to isocyanate/polyol demand; expect upstream cyclicality in line with chemical margins.[28]

Reserve share prices, dividend yields, and valuation multiples for your own screening — the point here is that the foam theme is expressed through customers and suppliers, not converters.

Private routes. This is where the industry mostly lives. It's an active private-equity roll-up space (One Rock's FXI, Bain's stake), with a long tail of family-owned regional converters that are classic lower-middle-market acquisition targets. Direct ownership, buyouts of single-plant operators, and bolt-ons to a platform are the realistic private plays; the freight-driven regional structure means geographic density is the value-creation lever. Attractive targets combine proprietary formulations, recurring qualified programs, efficient scrap recovery and proximity to customers. The diligence traps are overstated "market size," dependence on one bedding retailer or automotive program, environmental liabilities, poorly measured formulation profitability, aging pour lines, understated fire-protection capital, and EBITDA that relies on unusually favorable raw-material timing.

Near-term drivers to watch (forward-looking):

• Interest rates and housing turnover — the single biggest swing factor for bedding, furniture, and construction foam; a rate-cut cycle would be the clearest tailwind.
• Isocyanate pricing — the spread between MDI/TDI cost and selling prices decides margins quarter to quarter.[7]
• Energy codes and SPF adoption — the most durable structural growth line, as tighter building-efficiency requirements favor spray foam's air-sealing and R-value.[6]
• EV and lightweighting — incremental demand for engineered and battery-pad foams.[14][16]
• Continued consolidation — expect more vertical integration and PE-led roll-ups to define returns.

The honest summary: a mature, cyclical, freight-bound manufacturing industry with modest top-line growth, real regulatory and input-cost risk, and most of its investable upside sitting either one step upstream (chemicals), one step downstream (bedding/furniture/auto), or in the private roll-up of its fragmented middle — with specialty and spray-foam niches offering the better secular growth.

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Sources

1. U.S. Census Bureau, 2022 Economic Census — Industry Statistics & Concentration Ratios, NAICS 326150 (2022 receipts, firm count, CR4/CR8/CR20/CR50, HHI). https://data.census.gov
2. U.S. Census Bureau, County Business Patterns 2023, NAICS 326150 (establishments, employment, annual and first-quarter payroll). https://www.census.gov/programs-surveys/cbp.html
3. U.S. Small Business Administration, Table of Small Business Size Standards (NAICS 326150 = 750 employees), 2023. https://www.sba.gov/document/support-table-size-standards
4. U.S. Census Bureau, 2022 NAICS Manual — NAICS 326150 Definition. https://www.census.gov/naics/reference_files_tools/2022_NAICS_Manual.pdf
5. IBISWorld, Urethane and Other Foam Product Manufacturing in the US (NAICS 326150), 2025–2026. https://www.ibisworld.com/classifications/naics/326150/
6. SNS Insider / Grand View Research, Spray Polyurethane Foam & Flexible Foam Market Reports, 2025. https://www.snsinsider.com/reports/spray-polyurethane-foam-market-10121
7. IMARC Group, Polyurethane (PU) Resin and MDI Pricing Report, 2025. https://www.imarcgroup.com/polyurethane-resin-pricing-report
8. Virginia Business, Carpenter Acquires Belgian Foams Business for $468M, 2023. https://www.virginiabusiness.com/article/carpenter-acquires-belgian-foams-biz-for-468m/
9. NCFI Polyurethanes, NCFI Announces Sale of Consumer Products Division to Carpenter Co., 2023. https://ncfi.com/news-and-blog/
10. Plastics News / One Rock Capital, FXI and Innocor Merge (~$850M), 2019–2020. https://www.plasticsnews.com/article/20190306/NEWS/190305432/fxi-innocor-to-merge
11. Tempur Sealy International, FY2024 Results (SEC Form 8-K), 2024. https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1206264
12. [Removed — superseded by source 23]
13. UFP Technologies, Record 2024 Results (net sales $504.4M, net income $59.0M), 2025. https://ufpt.com/news/ufp-technologies-announces-record-2024-results/
14. Rogers Corporation, Elastomeric Material Solutions — PORON Urethane Foams, 2024. https://www.rogerscorp.com/elastomeric-material-solutions
15. PR Newswire / Adient, Adient Acquires Automotive Seating Foam Plant in Romulus, MI from Woodbridge, 2026. https://www.prnewswire.com/news-releases/adient-acquires-automotive-seating-foam-plant-in-romulus-mi-302753793.html
16. Top Class Actions / Seeger Weiss, In re Polyurethane Foam Antitrust Litigation (settlements >$440M; Carpenter $108M), 2013–2015. https://www.seegerweiss.com/antitrust/polyurethane-foam-antitrust-litigation/
17. U.S. EPA, Programs Related to Spray Polyurethane Foam; MDI/TDI Action Plans under TSCA, 2011–2015. https://archive.epa.gov/epa/saferchoice/programs-related-spray-polyurethane-foam.html
18. Home Furnishings Association / Green Science Policy Institute, California TB117-2013 Flammability Standard, 2014. https://myhfa.org/blog/what-is-tb117-2013/
19. Polyurethane Foam Association, What Is Polyurethane Foam? (manufacturing description, 1.5B lbs annual U.S. production). https://pfa.org/what-is-polyurethane-foam/
20. U.S. EPA, Flexible Polyurethane Foam Industry Profile (process description, freight economics). https://www3.epa.gov/ttnecas1/docs/eia_ip/flexible-polyurethane_eia_neshap_proposal_09-1996.pdf
21. FXI, What We Do (company overview). https://www.fxi.com/what-we-do
22. NIST, The U.S. Plastics Recycling Economy, Table 2.3 (2020 NAICS 326150 shipments $11.2B, value added $5.7B). https://nvlpubs.nist.gov/nistpubs/ams/NIST.AMS.100-64.pdf
23. Leggett & Platt, 2025 Form 10-K (Bedding Products segment $1.558B sales, 6.3% EBIT margin, 12% volume decline). https://www.sec.gov/Archives/edgar/data/58492/000005849226000107/leg-20251231.htm
24. Leggett & Platt, Somnigroup Acquisition Announcement, April 2026 (~$2.5B all-stock transaction). https://leggett.gcs-web.com/news-releases/news-release-details/somnigroup-international-worlds-leading-bedding-company-acquire
25. UFP Technologies, 2025 Form 10-K (fabrication description). https://www.sec.gov/Archives/edgar/data/914156/000162828026012816/ufpt-20251231.htm
26. Sealed Air, 2025 Form 10-K (Instapak foam-in-place packaging). https://www.sec.gov/Archives/edgar/data/1012100/000101210026000016/see-20251231.htm
27. Carlisle Companies, 2025 Annual Report (spray polyurethane foam systems). https://www.sec.gov/Archives/edgar/data/790051/000119312526109238/d903142dars.pdf
28. Huntsman, 2025 Form 10-K (Polyurethanes segment $3.697B revenue, ~3.9% adjusted EBITDA margin). https://www.sec.gov/Archives/edgar/data/1307954/000143774926004524/hun20251231_10k.htm
29. Future Foam, Facilities (30+ facility network). https://www.futurefoam.com/facilities/
30. Woodbridge Group, Innovation / Science (in-house formulation and molding). https://www.woodbridgegroup.com/Innovation/Science
31. Polyurethane Foam Association, Sustainability (85% of carpet cushion is recycled PU foam, ~1.2B lbs scrap diverted annually). https://pfa.org/sustainability-5/
32. OSHA, Isocyanate Guidance — Green Jobs / Weather (0.02 ppm ceiling PEL for MDI and TDI). https://www.osha.gov/green-jobs/weather/chemical
33. U.S. EPA, Final Rule — Flexible Polyurethane Foam Fabrication Operations Risk and Technology Review, 2025. https://www.epa.gov/stationary-sources-air-pollution/final-rule-flexible-polyurethane-foam-fabrication-operations-risk
34. U.S. CPSC, Mattresses, Mattress Pads, Mattress Sets FAQ (16 CFR 1632/1633 flammability). https://www.cpsc.gov/FAQ/Mattresses-Mattress-Pads-Mattress-Sets
35. U.S. CPSC, Flammable Fabrics Act Business Guidance (upholstered furniture 16 CFR 1640). https://www.cpsc.gov/Business--Manufacturing/Business-Education/Business-Guidance/Flammable-Fabrics-Act
36. U.S. EPA, Technology Transitions — HFC Restrictions by Sector (150 GWP limit effective January 1, 2025). https://www.epa.gov/hfcs/technology-transitions-hfc-restrictions-sector