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

Dow SILASTIC RTV-3083 Mould-Making Curing Agent

Dow SILASTIC RTV-3083 Mould-Making Curing Agent is a platinum-catalyzed, two-part silicone elastomer component designed for high-fidelity casting molds. It delivers excellent tear strength, low shrinkage, and rapid room-temperature cure with minimal exotherm. Compatible with SILASTIC RTV-3083 base, it ensures dimensional stability and fine-detail reproduction in industrial prototyping and art conservation applications.
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  • hifull hb 630
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Features Of Dow SILASTIC RTV-3083 Mould-Making Curing Agent

  1. Fast, room-temperature curing system designed for precise silicone mould replication.

  2. Excellent compatibility with Dow SILASTIC RTV-3083 base polymer for consistent, bubble-free castings.

  3. Low exotherm during cure minimizes thermal stress and distortion in delicate master patterns.

  4. Provides high tear strength and dimensional stability in final cured moulds.

  5. Non-corrosive formulation ensures compatibility with common model-making materials including resins, clays, and 3D-printed plastics.

Typical Applications Of Dow SILASTIC RTV-3083 Mould-Making Curing Agent

  1. Prototyping and low-volume production of polyurethane, epoxy, and polyester resin parts.

  2. Artistic casting and sculpture reproduction in fine art and design studios.

  3. Architectural scale modelling and façade component replication.

  4. Automotive interior trim and dashboard component prototyping.

  5. Jewellery investment moulding and small-part precision duplication.

Specifications Of Dow SILASTIC RTV-3083 Mould-Making Curing Agent

Chemical TypePt-catalyzed addition-cure silicone curing agent
Product FormLiquid
AppearanceClear, pale yellow liquid
Primary ApplicationsRTV silicone mould-making systems
Key FeaturesRoom-temperature cure, low viscosity, controlled pot life
Recommended Mix Ratio (by weight)100:1.5 (Base:Curing Agent)
Cure Time (25°C, 50% RH)Surface tack-free in ~30 minutes; full cure in 24 hours
Storage Stability (unopened, 25°C)12 months


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