Brief description of silicone rubber:
1.Good characteristics of easy-operation
2.Strong Tear strength
3.Favorable tension
4.No deformation
Detailed introduction to Silicone rubber:
Applications of Silicone rubber
Silicon rubber for mold making is white or red flowing liquid with general hardness of 22-50A°after curing. Molding silicon rubber is a kind elastic silicon rubber mold which features with resistance to deformation, high-temperature, acid-alkali and expansion as well as high reproduction times, good tensile strength ,tear strength and elongation.
Silicone rubber for mold making description
Silicon rubber for molding making is primarily intended for poly resin crafts,PU crafts,PU resin crafts ,gypsum crafts ,unsaturated resin crafts, lighting and candles crafts ,plastic toy , stationery gifts crafts industry, a large statue Buddha, relievo furniture, furniture decorative materials, statues Buddha, artifacts copied, building decoration materials, large-scale cement mold, artificial fossils Factory,simulation landscapes, animals and plants sculpture, sandstone crafts and so on.
Datasheet of silicone 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 |
Frequently asked questions of silicone rubber
Why does the silicone rubber mold have few molding times?
The silicone rubber mold has few molding times is due to follwoing reasons: adding too much silicone oil which will destroy the molecular of silicone rubber; making the mold for small and fine detailed products with higher hardness silicone rubber which is easy to break; making the mold for large products with soft silicone rubber which will reduce the tensile and tear strength of the mold, and the mold will have deformation. Thus, we should take the proper silicone rubber to make the mold for suitable products.
Any questions of silicone rubber for mold making, please feel free to contact miss angel:
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