Open-Cell Urethane Foam with Superior Energy Absorption
MicroCellular Urethane Foam: Ideal for Gaskets & Sealing in Multiple Industries
MICRO-CELLULAR URETHANE FOAM
Our urethane foam is an open-cell foam with a uniform micro-cellular structure, that has excellent compression set resistance, predictable hardness, tight thickness tolerances, and superior energy absorption properties.
Microcellular urethane is perfect for a variety of gaskets and sealing applications in the automotive/transportation, medical, polishing, flexographic printing, and electronics industries.
FEATURES
BREADTH OF HARDNESS: Available in various grades with a range of hardnesses, resiliencies and stress-strain behaviors with excellent lot-to-lot consistency.
BROAD RANGE OF THICKNESS: Our urethane products are available in thicknesses as low as 0.007 inches and as high as 1 inch.
ENERGY ABSORPTION: Excellent cushioning and impact absorption.
FLAME RETARDANT: Superior flame retardancy without the addition of halogenated compounds.
LOW COMPRESSION SET: The long term consistent performance that comes from excellent c-set, resistance to damage due to continuous or repeated compression.
PLASTICIZER FREE: Plasticizers are not used when making these products, making them inherently low outgassing and non-fogging.
| TEST METHOD | DESCRIPTION | VALUE |
| ASTM D3574 (1,5) | Density, lb./ft3 (kg/m3) | 20 (320) |
| - | Tolerance, % | ± 10 |
| (5,6) | Thickness, inches (mm) | 0.031 - 0.375 (0.8 - 9.5) |
| - | Tolerance, % | ± 10 |
| - | Standard Color (Pantone® code) | Black (0426) |
| ASTM D3489 (1,5) | Compression Force Deflection, psi (kPa) | 6.8 - 13 (47 - 90) |
| - at 25% compression | Typical psi (kPa) | 9.8 (68) |
| ASTM D3574 Test D (1,3) at 50% compression, 73°F (23°C) | Compression Set, % max. (Typical) | 4 (0.8) |
| ASTM D3574 Test D (1,3) at 50% compression, 158°F (70°C) | Compression Set, % max. (Typical) | 8 (1.6) |
| ASTM D3574 Test J2 & Test D (1,3,4) | Compression Set, % max. (Typical) | 5 (2.0) |
| Autoclave then 50% compression, 158°F (70°C) | ||
| 24 hr at 194°F (90°C) | Dimensional Stability, % max. change | 5 |
| - | Typical | 0.3 |
| ASTM D3574 Test E Die A (5) | Tensile Strength, min. psi (kPa) | 75 (517) |
| - | Typical psi (kPa) | 95 (655) |
| ASTM D3574 Test E Die A (2) | Tensile Elongation, % min. | 100 |
| - | Typical | 120 |
| ASTM D624 Die C (5) | Tear Strength, min. pli (kN/m) | 7 (1.2) |
| - | Typical pli (kN/m) | 11 (1.9) |
| ASTM D3574 Test H | Resilience (Ball Rebound), % | 16 |
| TEMPERATURE RESISTANCE | ||
| SAE-J-2236 | Continuous Use Range | -40° to 225°F (107°C) |
| - | Intermittent Use Maximum | 250°F (121°C) |
| Ford WSS-M2D496 and Chrysler MS-AY 549 | Low Temperature Flex | No Cracking |
| FLAMMABILITY AND OUT-GASSING | ||
| FMVSS-302 | Flammability | Pass |
| ISO 3795 | Flammability | Pass |
| UL94HBF | Flammability | Pass |
| SAE J1756 | Fogging (gloss), reflectivity | 99 |
| 3 hr at 194°F (90°C) | Visual | Dry deposits |
| ENVIRONMENTAL | ||
| ASTM D570 | Water Absorption, %, typical | 11 |
| ASTM D925 | Staining, visual | No Staining |
| Immerse in: light naphtha naptha | Solvent Resistance, visual | No Change |
| Trichloroethylene | Solvent Resistance, visual | No Change |
| 50/50 mix antifreeze & water windshield washer solution electrical grease | Solvent Resistance, visual | No Change |
| 50/50 mix soap & water | Solvent Resistance, visual | No Change |
| Aliphatic hydrocarbon with emulsifier | Solvent Resistance, visual | No Change |
| ULJMST2 | Gasketing and Sealing |
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