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

Dow XIAMETER RBL-2004-65 Silicone Rubber

Dow XIAMETER RBL-2004-65 is a high-performance liquid silicone rubber (LSR) from Dow’s XIAMETER portfolio. It offers excellent flowability, rapid cure kinetics, and superior thermal stability. Ideal for precision injection molding of medical devices, automotive seals, and consumer goods. Features low compression set, biocompatibility per ISO 10993, and consistent batch-to-batch reproducibility. Designed for automated manufacturing with minimal waste and high part fidelity.
  • dow xiameter rbl 2004 65 silicone rubber_dd9df500
  • dow xiameter rbl 2004 65 silicone rubber_dd9df500

Features Of Dow XIAMETER RBL-2004-65 Silicone Rubber

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

  2. Outstanding thermal stability across a wide service temperature range (–60 °C to +200 °C).

  3. Low compression set ensuring long-term sealing performance under continuous load.

  4. Good electrical insulation properties suitable for high-voltage and electronic encapsulation.

  5. Ready-to-use two-part platinum-cured formulation with precise 1:1 mix ratio by volume.

Typical Applications Of Dow XIAMETER RBL-2004-65 Silicone Rubber

  1. Automotive engine gaskets and vibration-damping mounts.

  2. Medical device seals requiring biocompatibility and sterilization resistance.

  3. Electrical insulators and potting compounds for power electronics.

  4. Industrial fluid-handling seals exposed to oils, fuels, and ozone.

  5. Consumer appliance components requiring food-contact compliance (FDA-acceptable when cured).

Specifications Of Dow XIAMETER RBL-2004-65 Silicone Rubber

Chemical TypePlatinum-cured addition-cure liquid silicone rubber (LSR)
Product FormTwo-part liquid system (Part A and Part B)
AppearancePart A: Translucent light amber liquid; Part B: Translucent light amber liquid
Mix Ratio (by volume)1:1
Cure SystemPlatinum-based addition cure (no by-products)
Shore A Hardness (cured)65 ± 3
Tensile Strength (cured)8.0–9.5 MPa
Elongation at Break (cured)450–550%


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