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Professional Grade RTV-2 Mold Making Silicone for Polyester Resin Arts

Original price was: $6.50.Current price is: $5.80.

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• Hardness range from 5 to 45A

• Good fluidity, easy to pour 

• Excellent mechanical properties 
• Good tear and tensile strength 
• Excellent flexibility, easy to demould 
• High temperature resistance 
• High times of repeated use
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A high-viscosity, thixotropic RTV-2 silicone designed specifically for vertical surface application. Perfect for brushing onto large sculptures, statues, and architectural elements without sagging or slumping.

Product Description: Our Brush-On Tin Cure Silicone is a professional-grade, two-part liquid rubber formulated for making molds of large, immovable objects. Unlike standard pourable silicones, this formula features built-in thixotropic properties, allowing it to hold firmly to vertical and overhead surfaces.

It builds up thickness quickly and evenly, ensuring a consistent mold wall without running off the model. Once cured, the rubber offers exceptional tear strength and flexibility, making it easy to peel off complex undercut details without damage. Ideally suited for casting concrete, gypsum, polyester, and PU resin.

Key Features:

  • Non-Slump Formula: Excellent thixotropy allows for easy brushing on vertical walls and ceilings.

  • High Tear Strength: Durable rubber that resists tearing during the demolding of heavy casting materials.

  • Precision Detail: Captures micron-level textures from the original model, including wood grain and stone texture.

  • Cost-Effective: An economical tin-cure system ideal for massive projects where material cost is a factor.

Item Color Viscosity (mPa·s) Hardness (Shore A) Tensile Strength (MPa) Elongation at Break % Tear Strength (N/mm²) Linear Shrinkage %
YS805 White 12000±2000 5±2 ≥1.5 ≥550 ≥8 ≤0.3
YS810 White 14000±2000 10±2 ≥1.9 ≥500 ≥13 ≤0.3
YS815 White 16000±2000 15±2 ≥2.1 ≥500 ≥17 ≤0.3
YS820 White 20000±2000 20±2 ≥2.5 ≥450 ≥22 ≤0.3
YS825 White 21000±2000 25±2 ≥3.0 ≥450 ≥23 ≤0.3
YS830 White 22000±2000 30±2 ≥3.5 ≥350 ≥23 ≤0.3
YS835 White 22000±2000 35±2 ≥3.5 ≥310 ≥22 ≤0.3
YS840 White 22000±2000 40±2 ≥4.0 ≥310 ≥20 ≤0.3

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heat resistant silicone rubber for polyester resin sculpture casting (复制)Professional Grade RTV-2 Mold Making Silicone for Polyester Resin Arts
Original price was: $6.50.Current price is: $5.80.