Acoustics Foams
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

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.

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

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 |