Rubber & Products

6-10 USD/KG
Specification
- Durable
- High tear strength for replication
- Low shrinkage
- High simulation
- Cover fine details
Rtv Liquid Moulding Silicone Rubber for Gypsum Casting Concrete, PU Resin
1. Application of rtv liquid moulding silicone rubber :
liquid molding casting silicone rubber is mainly applied for making various molds,such as reproduction of poly resin, epoxy, polyurethane-polymer, plaster, gypsum casting and moulding, soaps, candle & lighting, architecture, decorative arts and crafts, plastic toy, gift and stationery, big statue, cultural relic product, etc.

2.Features of rtv liquid moulding silicone rubber
rtv liquid moulding silicone rubber has the following features
a. low viscosity, exceptional fluidity and easy operation : 21000 cps suitable for pouring
b. resistance to deformation, high-temperature 220 degree centigrade
c. acid, alkali and ageing-resistance
d. low shrinkage< 0.2%
e. good tensile strength 36±2 (kgf/cm)
f. high reproduction times

3. rtv liquid moulding silicone rubber data sheet:
Model Appearance Viscosity(cs) Hardness(A°) Tensile Strength(kgf/cm) Tear Strength(KN/cm) Elongation(%) Mixing Ratio(%) Operating Time(H/250C) Curing Time(H/250C)
HY 625 white 20000±1000 25±2 36±2 22±2 500 2~3 0.5 4~6
HY 638 white 23000±2000 34±2 49±2 23±2 470 2~3 0.5 4~6



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