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

Dow SILASTIC RTV-3000 F Catalyst

Dow SILASTIC RTV-3000 F Catalyst is a platinum-based curing agent for high-performance addition-cure liquid silicone rubber systems. Designed for precision electronics encapsulation and medical device molding, it enables rapid, low-heat vulcanization with exceptional reproducibility, minimal byproducts, and outstanding thermal/chemical stability across demanding industrial applications.
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Features Of Dow SILASTIC RTV-3000 F Catalyst

  1. Platinum-based catalyst enabling rapid, room-temperature vulcanization of silicone elastomers.

  2. Low dosage requirement — typically 0.1–0.5 wt% relative to base polymer — for efficient crosslinking.

  3. Excellent compatibility with Dow SILASTIC RTV-3000 series silicone bases and other addition-cure silicones.

  4. Provides superior control over pot life and cure profile without premature inhibition or side reactions.

  5. Free from tin, lead, or other toxic heavy metals — compliant with RoHS and REACH requirements.

Typical Applications Of Dow SILASTIC RTV-3000 F Catalyst

  1. Electronics encapsulation and potting for sensors, PCBs, and power modules.

  2. Medical device assembly requiring biocompatibility and low-extractables formulations.

  3. Automotive under-hood gasketing and sealing where thermal stability and vibration resistance are critical.

  4. Optical bonding and LED lens molding due to high transparency and minimal yellowing after cure.

  5. Industrial prototyping and rapid tooling using soft silicone molds.

Specifications Of Dow SILASTIC RTV-3000 F Catalyst

Chemical TypePlatinum complex (divinyltetramethyldisiloxane platinum(0) catalyst)
Product FormLiquid solution in vinyl-terminated silicone fluid
AppearanceClear, colorless to pale yellow liquid
Primary ApplicationsAddition-cure silicone elastomer systems (RTV-2, LSR, HCR)
Key FeaturesFast room-temperature cure, low volatility, non-corrosive, no by-products
BenefitsImproved process efficiency, consistent mechanical properties, excellent adhesion to substrates
Storage ConditionsStore at 2–8°C in original sealed container; protect from light and moisture
Shelf Life12 months from date of manufacture when stored properly


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