China 20 a Hong Ye Silicone Material Condensation/Tin Cured Silicone Rubber for Candle Molds Making, Find details about China RTV Silicone Rubber, Silicone Rubber from 20 a Hong Ye Silicone Material Condensation/Tin Cured Silicone Rubber for Candle Molds Making
Model | 635# | 630# | 625# | 620# |
Appearance | white | white | white | white |
Mixing proportion of curing agent (%) | 5% | 5% | 5% | 5% |
Operating time (mins 25 0C ) | 40~70 | 30~50 | 40~70 | 30~50 |
Curing time(hours 25 0C) | 4~7 | 5~7 | 4~7 | 3~5 |
Hardness (A°) | 35±2 | 30±2 | 25±2 | 20±2 |
Viscosity (Mpas -25 0C) | 30000~38000 | 27000~32000 | 17000~19000 | 12000~14000 |
Tensile-strength(Mpa) | ≥4.50 | ≥4.2 | ≥3.2 | ≥2.8 |
Tear-strength (KN/m) | ≥30 | ≥30 | ≥27 | ≥32 |
Elongation-break(%) | ≥420 | ≥440 | ≥440 | ≥420 |
Linear Shrinkage (%) | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 |