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Acoustics Foams

UL94 HF-1 Foam
Cell-Controlled Non-Reticulated Polyester
Semi-rigid Polyurethane Foam



UL94 HF-1 Foam

PyroPore™ Series

PyroPore™ S is a fine-cell polyester which is certified to UL94 with an HF-1 rating. Excellent resiliency, flame lamination bond strength and die clickability make this versatile foam a ubiquitous material used for everything from sound insulation to packaging

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Type Density lb./ft3 CFD@25% psi Tensile Strength psi (min.) Elongation % (min.)
PyroPore™ S 32 1.8 - 2.2 0.5 18 130
PyroPore™ S 58 3.5 - 4.4 0.6 14 125




    PyroPore™ E is a fine-cell polyether which is certified to UL94 with an HF-1 rating. This product is used in various applications such as sound dampening, packaging and insulation, and is also great for flame and hot roll lamination.

    Type Density lb./ft3 IFD@25% lb/50 in.2 Tensile Strength psi (min.) Elongation % (min.)
    PyroPore™ E 25 1.5 min 35 - 50 12 140
    PyroPore™ E 30 1.8 min 35 - 45 10 140




      Certified UL94 HF-1
      QMFZ2.E325502
      Plastics - Component

      Varieties of foam grades available to meet flammability specifications such as Department of Transportation Motor Vehicle Safety Standards FMVSS302, Underwriters Laboratories Classification UL94 HF-2, California 117, and etc. Contact Us





      Cell-Controlled Non-Reticulated Polyester

      CustomPore™ S Series



      CustomPore™ S is a standard cell-controlled polyester foam. This product can be specially formulated to meet a wide range of physical quality specifications, including flammability characteristics such as FMVSS302.The uses of this product are vast and can include packaging, medical, apparel and sports, acoustical, industrial applications such as paint rollers and ink carriers.

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      Type PPI Density lb./ft3 CFD@25% psi Tensile Strength psi (min.) Elongation % (min.)
      CustomPore™ S 50/24 50 1.3 - 1.5 0.65 - 0.85 17 80
      CustomPore™ S 50/30 50 1.7 - 2.2 0.50 - 0.85 18 100
      CustomPore™ S 60/30 60 1.6 - 1.9 0.55 - 0.95 15 100
      CustomPore™ S 65/55 70 3.2 - 3.6 0.60 - 0.85 22 100
      CustomPore™ S 70/55 75 2.9 - 3.6 0.7 - 1.0 22 100




      Semi-rigid Polyurethane Foam

      CFR Series

      Our lightweight, open-cell semi-rigid foam is ideal for high sound absorption and temperature resistance.

      Initially developed for under-hood applications in the automotive industry, this product delivers superior sound and heat insulation for improved cabin comfort, reducing outside noise.

      Foam Features:

      • Excellent energy absorption
      • Good sound absorption
      • Good hydrolysis durability
      • Low thermal conductivity
      • Flammability tested and certified to meet FMVSS 302, the industry's highest flammability specification.
      • Provided as buns and sheets.
      • Thermoformable
      • Available in gray color

      Ideal for:

      • Automotive acoustical and heat insulation applications for internal combustion engine and battery electric vehicles.
      • Refrigeration and heat management
      • Marine
      • Audio
      semi-rigid foam
      Type Density lb./ft3 CFD at 25% Deflection Air Flow cfm Flammability
      CFR 1.05+/-1.05 0.60 min 1.0, maximum MVSS-302 pass