Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Dow XIAMETER RBC-7500-50 Silicone Rubber

Dow XIAMETER RBC-7500-50 is a high-consistency silicone rubber (HCR) from Dow’s XIAMETER brand, offering excellent mechanical strength, thermal stability, and compression set resistance. Designed for injection molding and extrusion, it cures rapidly with platinum catalysts, delivers consistent flow, and meets FDA/USP Class VI requirements for medical and food-contact applications.
  • dow xiameter rbc 7500 50 silicone rubber_8cc68fe2
  • dow xiameter rbc 7500 50 silicone rubber_8cc68fe2

Features Of Dow XIAMETER RBC-7500-50 Silicone Rubber

  1. High tear strength and excellent elongation for demanding dynamic sealing applications.

  2. Outstanding resistance to compression set, ensuring long-term sealing integrity at elevated temperatures.

  3. Good processability in high-speed injection molding and transfer molding operations.

  4. Meets UL 94 V-0 flammability rating for enhanced safety in electrical and electronic components.

  5. Low volatility and minimal extractables, supporting compliance with FDA 21 CFR 177.2600 for indirect food contact applications.

Typical Applications Of Dow XIAMETER RBC-7500-50 Silicone Rubber

  1. Automotive under-hood gaskets and sensor housings requiring thermal stability up to 200 °C.

  2. Medical device seals and fluid-handling components compliant with ISO 10993 biocompatibility requirements.

  3. Electrical insulation boots and connector seals in power distribution and renewable energy systems.

  4. Consumer appliance door gaskets and thermal interface pads for HVAC and kitchen equipment.

Specifications Of Dow XIAMETER RBC-7500-50 Silicone Rubber

Chemical TypePlatinum-cured high-consistency silicone rubber (HCR)
Product FormUncured gum stock in standard 20 kg slabs
AppearanceOff-white to light beige, homogeneous elastomeric solid
Hardness (Shore A, ASTM D2240)50 ± 3
Tensile Strength (ASTM D412)≥ 7.0 MPa
Elongation at Break (ASTM D412)≥ 450 %
Compression Set (22 h @ 200 °C, ASTM D395 B)≤ 35 %
Cure SystemPt-catalyzed addition cure; no peroxides or by-products


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