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

Dow SILASTIC RTV-3081-F Mould-Making Curing Agent

Dow SILASTIC RTV-3081-F is a platinum-catalyzed curing agent for high-precision silicone mould-making. Part of Dow’s SILASTIC RTV series, it delivers excellent flow, low shrinkage, and rapid room-temperature vulcanization. Ideal for casting resins, wax, and low-melt metals, it ensures dimensional stability and fine detail replication in demanding prototyping applications.
  • hifull hb 630
  • hifull hb 620
  • hifull hb 630
  • hifull hb 620

Features Of Dow SILASTIC RTV-3081-F Mould-Making Curing Agent

  1. Fast, room-temperature curing with excellent depth-of-cure for efficient mold production.

  2. Low viscosity and superior flow characteristics for precise replication of fine surface details.

  3. Excellent thermal stability and dimensional stability over extended service life.

  4. Low shrinkage during cure ensures high-fidelity reproduction of master patterns.

  5. Compatible with Dow SILASTIC RTV-3081 base polymer for reliable two-part silicone molding systems.

Typical Applications Of Dow SILASTIC RTV-3081-F Mould-Making Curing Agent

  1. Production of durable, flexible molds for polyurethane, epoxy, and polyester resin casting.

  2. Prototyping and low-volume manufacturing in automotive and aerospace component development.

  3. Artistic and architectural replication, including decorative concrete, gypsum, and plaster casting.

  4. Medical device prototyping requiring biocompatible-grade silicone mold materials (when fully cured).

  5. Industrial tooling for vacuum forming, rotational molding, and composite lay-up applications.

Specifications Of Dow SILASTIC RTV-3081-F Mould-Making Curing Agent

Chemical TypePlatinum-catalyzed addition-cure silicone curing agent
Product FormClear to light amber liquid
AppearanceHomogeneous, low-viscosity liquid
Primary ApplicationsMold-making for industrial, artistic, and prototyping applications
Key FeaturesFast RTV cure, low shrinkage, excellent detail reproduction
BenefitsReduced cycle time, high mold fidelity, long-term thermal stability
Storage ConditionsStore at 5–25°C in original unopened container; protect from moisture and contamination
Shelf Life12 months from date of manufacture when stored properly


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