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

Dow XIAMETER RBC-7530-40 Silicone Rubber

Dow XIAMETER RBC-7530-40 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 applications in automotive medical and industrial sectors.
  • dow xiameter rbc 7530 40 silicone rubber_944855f1
  • dow xiameter rbc 7530 40 silicone rubber_944855f1

Features Of Dow XIAMETER RBC-7530-40 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 -60 °C to 200 °C operating range.

  3. Low compression set and superior mechanical resilience for durable sealing and gasketing applications.

  4. Meets UL 94 HB flammability rating and complies with FDA CFR 21 Part 177.2600 for indirect food contact.

  5. Consistent batch-to-batch reproducibility and optimized viscosity balance for reliable high-volume production.

Typical Applications Of Dow XIAMETER RBC-7530-40 Silicone Rubber

  1. Automotive engine gaskets and under-hood sealing components.

  2. Industrial fluid-handling seals and diaphragms for pumps and valves.

  3. Appliance door seals and thermal insulation gaskets for ovens and cooktops.

  4. Medical device housings and non-implantable elastomeric components requiring biocompatibility support.

  5. Electrical enclosures and environmental protection seals for outdoor power electronics.

Specifications Of Dow XIAMETER RBC-7530-40 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-part (Part A + Part B), high-consistency compound
AppearanceOpaque off-white to light gray, uniform dough-like consistency
Primary ApplicationsCompression molding, transfer molding, and extrusion of precision elastomeric parts
Key FeaturesLow compression set, high tear strength, excellent dielectric properties
BenefitsReduced scrap rate, extended service life in dynamic sealing environments
Curing SystemRoom temperature cure possible; full cure accelerated at elevated temperatures (e.g., 150 °C for 5–10 min)
Regulatory ComplianceMeets ASTM D2000, ISO 10993-5 (cytotoxicity), and RoHS directives


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