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

Dow XIAMETER RBC-7960-70 Silicone Rubber

Dow XIAMETER RBC-7960-70 is a high-consistency silicone rubber (HCR) from Dow’s XIAMETER portfolio offering excellent mechanical strength thermal stability and easy processing for extrusion and compression molding. It features low compression set outstanding elasticity and meets ISO 10993 biocompatibility requirements ideal for medical tubing seals and automotive components.
  • dow xiameter rbc 7960 70 silicone rubber_1893c85d
  • dow xiameter rbc 7960 70 silicone rubber_1893c85d

Features Of Dow XIAMETER RBC-7960-70 Silicone Rubber

  1. High-temperature resistance up to 200 °C continuous service, maintaining mechanical integrity under thermal stress.

  2. Excellent compression set resistance, ensuring long-term sealing performance in dynamic gasket and O-ring applications.

  3. Good processability via injection molding and extrusion, with low viscosity for efficient mold filling and reduced cycle times.

  4. UL 94 HB flame-retardant rating, supporting compliance in electrical and electronic housing applications.

  5. Low extractables and high biocompatibility profile, suitable for medical device components meeting ISO 10993-5/10 requirements.

Typical Applications Of Dow XIAMETER RBC-7960-70 Silicone Rubber

  1. Automotive under-hood seals and gaskets exposed to elevated temperatures and engine fluids.

  2. Medical tubing connectors and housings requiring sterilization compatibility (autoclave, gamma, EtO).

  3. Consumer electronics enclosures and protective seals for wearables and portable devices.

  4. Industrial sensors and actuators requiring stable elastomeric performance across wide temperature ranges.

  5. Food-grade sealing components compliant with FDA 21 CFR §177.2600 for food contact surfaces.

Specifications Of Dow XIAMETER RBC-7960-70 Silicone Rubber

Chemical TypeHigh-consistency silicone rubber (HCR), platinum-cured
Product FormUncured compound in sheet or slab form, ready for vulcanization
AppearanceOpaque off-white to light tan, uniform consistency
Hardness (Shore A, ASTM D2240)70 ± 3
Tensile Strength (ASTM D412)≥ 8.0 MPa
Elongation at Break (ASTM D412)≥ 350 %
Compression Set (22 h @ 175 °C, ASTM D395 Method B)≤ 35 %
Primary ApplicationsSeals, gaskets, medical components, automotive elastomers, consumer electronics interfaces


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