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

Dow XIAMETER RBB-2150-70 Silicone Rubber

Dow XIAMETER RBB-2150-70 Silicone Rubber is a high-consistency, platinum-cured elastomer offering excellent mechanical strength, thermal stability up to 200°C, and low compression set. Designed for precision molding in medical devices, automotive seals, and industrial gaskets, it delivers consistent cure performance and superior biocompatibility per ISO 10993.
  • dow xiameter rbb 2150 70 silicone rubber_a5977cc8
  • dow xiameter rbb 2150 70 silicone rubber_a5977cc8

Features Of Dow XIAMETER RBB-2150-70 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 performance across a wide temperature range (–60 °C to +200 °C).

  3. Low compression set ensures reliable sealing and resilience after prolonged stress or elevated temperature exposure.

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

  5. Consistent batch-to-batch quality with controlled rheology and minimal volatile content post-cure.

Typical Applications Of Dow XIAMETER RBB-2150-70 Silicone Rubber

  1. Medical device components including seals, gaskets, tubing connectors, and wearable sensor housings.

  2. Automotive under-hood sealing parts requiring resistance to oil, coolant, and thermal cycling.

  3. Consumer electronics interface pads, button domes, and environmental protection gaskets.

  4. Industrial fluid handling components such as diaphragms, pump valves, and filtration seals.

  5. Food-contact compliant parts for processing equipment where FDA 21 CFR 177.2600 compliance is required.

Specifications Of Dow XIAMETER RBB-2150-70 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone elastomer
Product FormTwo-part liquid system (Part A: base polymer; Part B: platinum catalyst)
AppearanceOpaque, viscous liquid (Part A); translucent, low-viscosity liquid (Part B)
Primary ApplicationsCompression molding, transfer molding, and injection molding of high-performance elastomeric parts
Key FeaturesHigh tear strength, low compression set, excellent dimensional stability
BenefitsReduced post-cure time, minimal shrinkage, and consistent mechanical properties
Regulatory ComplianceISO 10993-5 (cytotoxicity), USP Class VI, FDA 21 CFR 177.2600 (food contact)
Curing SystemAddition cure (no by-products); inhibited at room temperature, activated above 80 °C


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