Matières premières
RTV silicone rubber |
Model |
625# |
3481 |
Appearance |
white |
White |
Mixing proportion of curing agent (%) |
5% |
5% |
Operating time (mins 25 0C ) |
30 |
30-45 |
Curing time(hours 25 0C) |
6-8 |
24 |
Hardness (A°) |
23-25 |
25 |
Density ( g/cm 3) |
1.08 |
1.02 |
Viscosity (mPas -25 0C) |
19000-23000 |
25000 |
Tensile-strength(kgf /cm2 ) |
≥41 |
40 |
Tear-strength (kgf /cm) |
≥25 |
23 |
Elongation-break(%) |
≥ 510 |
370 |
Frequently asked questions of RTV silicone rubber
Why does the RTV silicone rubber have few molding times?
RTV silicone rubber has few molding times is due to follwoing reasons:
1. adding too much silicone oil which will destroy the molecular of silicone rubber;
2. 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.
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Cette page concerne les importateurs et exportateurs de RTV silicone rubber Rechercher dans la catégorie : Matières premières Rechercher dans la catégorie : rubber, silicone |
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