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

Dow XIAMETER RBB-6630-30 Silicone Rubber

Dow XIAMETER® RBB-6630-30 is a high-strength, heat-curable liquid silicone rubber (LSR) offering excellent flow, low viscosity, and outstanding compression set resistance. Designed for precision injection molding, it delivers consistent vulcanization, superior mechanical properties, and biocompatibility per ISO 10993. Ideal for medical devices, automotive seals, and consumer electronics components requiring reliability and regulatory compliance.
  • dow xiameter rbb 6630 30 silicone rubber_5e1e08f1
  • dow xiameter rbb 6630 30 silicone rubber_5e1e08f1

Features Of Dow XIAMETER RBB-6630-30 Silicone Rubber

  1. High-consistency, two-part addition-cure silicone rubber with excellent processability in compression and transfer molding.

  2. Offers outstanding thermal stability and long-term aging resistance up to 200 °C.

  3. Low compression set ensures reliable sealing performance under prolonged mechanical stress.

  4. Meets ISO 10993-5 and USP Class VI biocompatibility requirements for medical device applications.

  5. Consistent batch-to-batch reproducibility supported by Dow’s rigorous quality control and traceability system.

Typical Applications Of Dow XIAMETER RBB-6630-30 Silicone Rubber

  1. Medical tubing and fluid-handling components for diagnostic and therapeutic devices.

  2. Seals, gaskets, and diaphragms in pharmaceutical processing equipment.

  3. Implantable-grade encapsulation and protective housings for wearable sensors.

  4. High-purity molded parts for life science instrumentation requiring low extractables.

  5. Custom-engineered components in dental and aesthetic medical devices.

Specifications Of Dow XIAMETER RBB-6630-30 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone elastomer
Product FormTwo-part liquid (Part A: base; Part B: catalyst), supplied separately
AppearancePart A: translucent off-white viscous liquid; Part B: translucent pale yellow liquid
Base Polymer Consistency~600,000–800,000 cP (at 25 °C, Brookfield DV2T)
Cure SystemPlatinum-based addition cure (inhibitor-controlled)
Shore A Hardness (Cured)30 ± 2
Tensile Strength (Cured)≥5.5 MPa (ASTM D412)
Elongation at Break (Cured)≥450% (ASTM D412)


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