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40 Shore A Platinum Cure Silicone Rubber for Large Scale Concrete Mold Making
The 40 Shore A Platinum Cure Silicone Rubber is a two-component, addition-curing liquid silicone rubber specifically engineered for large-scale concrete component molds and architectural cultural stone casting applications. With its optimal 40 Shore A hardness, 1:1 mixing ratio and extremely low shrinkage rate (≤0.1%), this platinum-cured silicone delivers exceptional dimensional stability for heavy-duty industrial mold making.
Key Features
40 Shore A Hardness: Provides the ideal balance of rigidity and flexibility for large concrete molds, preventing deformation under heavy material loads during casting of cement and concrete components.
1:1 Mixing Ratio: Simple and accurate two-part mixing with minimal room for error, suitable for both manual pouring and automated dispensing systems in industrial production environments.
Ultra-Low Shrinkage ≤0.1%: Ensures precise mold reproduction and superior dimensional accuracy for architectural casting projects, preserving fine surface details.
High Tear Strength 19 kN/m: Superior durability for repeated demolding cycles, reducing mold replacement frequency in high-volume production settings.
Wide Temperature Range -40°C to +230°C: Stable performance across extreme conditions, suitable for both cold climate outdoor casting and high-temperature resin applications.
Non-Toxic and Eco-Friendly: Platinum-catalyzed curing system generates no byproducts, meets FDA food contact and medical-grade compliance standards.
Applications
Large Concrete Component Molds: Ideal for casting heavy cement and concrete architectural elements, maintaining precise geometric shape even under substantial compressive loads.
Architectural Cultural Stone Casting: Perfect for producing artificial cultural stone, decorative wall panels and architectural ornaments with exceptional surface detail reproduction.
High-Gloss Epoxy Resin Casting: Suitable for large epoxy resin river tables, decorative ornaments and art pieces requiring mirror-finish surfaces with precise mold parting lines.
Plaster and Sandstone Relief Molds: Multi-piece brush-on molding for flat or large three-dimensional components exceeding 50 cm with moderate pattern complexity.
Available Hardness Range
The E-Series offers a full hardness spectrum from 0 to 60 Shore A , allowing mold makers to select the optimal flexibility for their specific application. Custom formulations available upon request.
Packaging and Storage
Standard packaging: 10Kg/set (A 5Kg + B 5Kg), 40Kg/set (A 20Kg + B 20Kg)
Custom packaging options available for bulk orders
Store in a cool, dry place away from direct sunlight
Shelf life: 12 months in original sealed packaging
For bulk pricing on platinum cure silicone rubber for large scale concrete mold making, or to discuss custom formulation requirements, please contact our technical sales team. Samples available for evaluation.