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US $7.80200 - 40,000 kilogram
US $5.4040,001 - 999,999 kilogram
Paramtents
Classification Chemical Auxiliary Agent
CAS No. 39100000
Other Names silicone rubber
MF silicone rubber
EINECS No. 39100000
Purity 100%
Type silicone rubber,condensation silicone rubber
Usage molding
color white
certificate RoHS, MSDS, SGS, ISO9001:2000
Packging & Delivery
Min Order200 kilogram
Briefing
Detailed
RTV moulding&casting silicon rubber for stone
Applications of RTV moulding&casting silicon rubber for stone
RTV moulding&casting silicon rubber for stone is mainly applied for making various molds,such as reproduction of poly resin, epoxy, polyurethane-polymer, plaster, gypsum, soaps, candle & lighting, architecture, decorative arts and crafts, plastic toy, gift and stationery, big statue, cultural relic product, etc..
Features of RTV moulding&casting silicon rubber for stone
Low shrinkage, no deformation, good elasticity, high duplication times, etc.
RTV moulding&casting materials silicon rubber
Model | Color | Viscosity cps | Hardness (A°) | Tensile strength (Mpa) | Tear strength (KN/m) | Elongation % | Mixing ratio % | Pot life(H) | Demould time (H) |
620 | White | 10000-13000 | 20±2 | ≥3.5 | ≥2.4 | ≥400 | 2-3 | 0.5 | 2-4 |
628 | White | 24000-26000 | 28±2 | ≥4.1 | ≥2.9 | ≥420 | 2-3 | 0.5 | 2-4 |
638 | White | 26000-28000 | 38±2 | ≥3.8 | ≥2.6 | ≥380 | 2-3 | 0.5 | 2-4 |
640 | White | 7500-8000 | 40±2 | ≥2.8 | ≥2.1 | ≥260 | 2-3 | 0.5 | 2-4 |
718 | White | 12000-15000 | 18±2 | ≥3.2 | ≥2.2 | ≥380 | 2-3 | 0.5 | 2-4 |
728 | White | 22000-28000 | 28±2 | ≥2.9 | ≥1.9 | ≥360 | 2-3 | 0.5 | 2-4 |
738 | White | 24000-32000 | 38±2 | ≥2.7 | ≥1.8 | ≥340 | 2-3 | 0.5 | 2-4 |
RTV moulding&casting silicon rubber for stone operations
If the customer wants to make large products and large size molds, the mold should be made of silicon rubber with high hardness. On the contrary, if the mold with fine and precision patterns, it should be made of silicon with low hardness. The amount of the curing agent depends on the actual requirements of the customer. If molds requiring fast drying and demold, more curing agent is needed; contrarily, if molds requiring slower drying and demold, less curing agent is needed.
(Note: our company does not recommend you to add silicone oil. If a special soft silicone mold or fine detailed and complex patterns products are required, 5%-10% silicone oil can be added to soften the mold for easy demold.)
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