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End-use | Substitute | Decision | Comments |
---|---|---|---|
1 Exemptions for specific applications are identified in the list of acceptable substitutes, which is available on the SNAP Web site at: https://www.epa.gov/snap/foam-blowing-agents. | |||
All foam end-uses: - rigid polyurethane and polyisocyanurate laminated boardstock - rigid polyurethane appliance - rigid polyurethane spray and commercial refrigeration, and sandwich panels | HCFC-141b | Unacceptable Closed cell foam products and products containing closed cell foams manufactured with this substitute on or before December 1, 2017 may be used after that date | Alternatives exist with lower or zero-ODP. |
- rigid polyurethane slabstock and other foams - polystyrene extruded insulation boardstock and billet - phenolic insulation board and bunstock - flexible polyurethane - polystyrene extruded sheet - Except for: 1 - space vehicle - nuclear - defense - research and development for foreign customers |
[81 FR 86883, Dec. 1, 2016]