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High-Precision RTV-2 Silicone Rubber for Tire Mold Making & Industrial Prototyping

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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Product Overview: Engineered specifically for the demanding requirements of tire manufacturing and prototyping, our RTV-2 Liquid Silicone Rubber offers exceptional fluidity and tear strength. Whether you are reproducing intricate tire treads, sidewall lettering, or complex undercuts, this silicone ensures perfect detail reproduction with zero distortion.

Key Features:

  • Superior Flowability: Low viscosity ensures the silicone flows easily into deep tread grooves and complex patterns without trapping air bubbles.

  • High Tear Strength: Specially formulated to withstand the stress of demolding complex geometries. It prevents tearing even when pulling the mold from deep undercuts.

  • Low Shrinkage: With linear shrinkage of less than 0.3%, it guarantees the dimensional accuracy and roundness of the final tire product.

  • Optimal Hardness: Available in Shore A 30-40, providing enough rigidity to maintain the tire’s shape during casting while remaining flexible enough for easy demolding.

  • Chemical Resistance: Excellent resistance to polyurethane (PU) resins, epoxy, and gypsum, ensuring a long mold library life.

Applications:

  • Automotive tire prototyping.

  • RC (Remote Control) car tires.

  • Industrial rubber rollers and wheels.

  • Gypsum or concrete tire-shaped decorations.

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

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high precision rtv 2 silicone rubber for tire mold making & industrial prototypingHigh-Precision RTV-2 Silicone Rubber for Tire Mold Making & Industrial Prototyping
Original price was: $6.50.Current price is: $5.80.