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

Dow XIAMETER RBB-2004-70 Silicone Rubber

Dow XIAMETER RBB-2004-70 is a high-consistency silicone rubber (HCR) from Dow’s XIAMETER® portfolio, offering excellent mechanical strength, thermal stability up to 200°C, and easy compression molding. It features low compression set, good tear resistance, and consistent batch-to-batch performance—ideal for automotive seals, medical devices, and industrial gaskets requiring FDA-compliant, platinum-cured silicones.
  • dow xiameter rbb 2004 70 silicone rubber_ec2c5dfd
  • dow xiameter rbb 2004 70 silicone rubber_ec2c5dfd

Features Of Dow XIAMETER RBB-2004-70 Silicone Rubber

  1. High-temperature stability with continuous service capability up to 200 °C

  2. Excellent compression set resistance for long-term sealing performance

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

  4. Low volatility and minimal extractables, supporting ISO 10993-compliant medical device manufacturing

  5. Consistent rheology and batch-to-batch reproducibility for reliable production scaling

Typical Applications Of Dow XIAMETER RBB-2004-70 Silicone Rubber

  1. Medical-grade seals and gaskets for diagnostic equipment housings

  2. Pharmaceutical stoppers and closures requiring low leachables

  3. Automotive under-hood components exposed to thermal cycling

  4. Consumer electronics enclosures requiring environmental sealing

  5. Food-contact compliant parts for processing and packaging equipment

Specifications Of Dow XIAMETER RBB-2004-70 Silicone Rubber

Chemical TypePlatinum-cured high-consistency silicone rubber (HCR)
Product FormTwo-part compound (Part A: base polymer + filler; Part B: platinum catalyst)
AppearanceOpaque, off-white to light beige gum stock
Primary ApplicationsMedical devices, pharmaceutical packaging, automotive sealing, food-grade components
Key FeaturesLow compression set, high thermal stability, excellent mechanical resilience
BenefitsReduced part failure risk, extended service life, compliance-ready formulation
Curing SystemPt-catalyzed addition cure (no by-products)
Shelf Life12 months at 25 °C in unopened original packaging


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