Factory Price Silicone Rubber Rtv 2 for Concrete Mould Making
1.Description
YJS-530 is a kind of room temperature vulcanized silicone rubber in condensation type. It’s generally named as two part silicone rubber , Part A is a flowable liquid, part B is the curing agent or catalyst . It’s mainly used for mold making.
2.Application
YJS-530 silicone rubber is used for making molds of gypsum decoration, plaster ornaments, polyester decoration, unsaturated resin crafts, polyresin crafts, polyurethane, bronze, wax, candle, and similar products .
3. Characteristics
An exceptional fluidity and good operability, easy to demold
A kind of soft silicone
Good tensile strength and tear strength
Cure at room temperature
Good flexibility
Outstanding bubble releasing
Good duplication times
4.Technical Parameters
Item No. |
Appearance |
Hardness (shore A) |
Viscosity (CPS) |
Tensile-strength |
Tear-strength (KN/m ) |
Elongation-break (%) |
Mixing ratio |
operation time (25 ℃ ) |
Curing time |
Shrinkage (%) |
YJS-530 |
white |
20 |
22000±1000 |
4.5±0.5 |
26±2 |
480±50 |
100:3 |
30-40 |
3-4 |
0.3 |
4. Package
25KG/drum vacuum packing for part A +1kg/ bottle catalyst for part B
200KG/drum packing for part A +1kg/ bottle catalyst for part B
6. Shelf life
Twelve(12) months when stored under dry and cool place by original package under 25℃
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