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High tear strength and excellent elongation for demanding dynamic sealing applications.
Outstanding resistance to compression set, ensuring long-term sealing performance under continuous stress.
Good processability in high-speed injection molding and extrusion operations.
Meets FDA 21 CFR 177.2600 for food-contact applications and USP Class VI biological safety requirements.
Consistent batch-to-batch rheology and cure profile for reliable manufacturing repeatability.
Medical tubing and peristaltic pump components requiring biocompatibility and kink resistance.
Fuel and oil-resistant seals and gaskets in automotive powertrain systems.
Food-grade conveyor belts and sanitary processing equipment seals.
Consumer appliance seals exposed to steam, cleaning agents, and thermal cycling.
Industrial diaphragms and bellows subject to repeated flexing and pressure differentials.
| Chemical Type | Platinum-cured high-consistency silicone rubber (HCR) |
| Product Form | Uncured gum stock, supplied as 1.5–2.5 kg slabs or custom-sized blocks |
| Appearance | Off-white to light tan, homogeneous elastomeric solid |
| Hardness (Shore A, ASTM D2240) | 70 ± 3 |
| Tensile Strength (ASTM D412) | ≥ 8.0 MPa |
| Elongation at Break (ASTM D412) | ≥ 450 % |
| Compression Set (22 h @ 175 °C, ASTM D395 B) | ≤ 25 % |
| Cure System | Pt-catalyzed addition cure; no by-products formed |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
