Applications of RTV-2 liquid silicone rubber for concrete molds:
E642# addition molding silicone could be mainly used for making
concrete stones, precision molds, PU molds, resin molds, gypsum
casting, candle molding, for life casting, fabric finishing, seal
for electronic components and solar circuit board, trademark
Features of rtv liquid silicone rubber for concrete mold
Two-parts, flowable liquid silicon & curing agent.
Can solve the problem of not lighting of the candles and the
problem of sticky and white stains on the surface of cement &
Good tensile strength and tear strength,low shrinkage.
It gets cured at room temperature 25 0C within 5-7 hours.
An exceptional fluidity and good operability, easy to be demolded.
Suitable for pouring methods of operation for small sized molds
Desprition of rtv liquid silicone rubber for concrete molds
E642# addition molding silicone is generally named two-components
silicone rubber, Part A and part B. It features an exceptional
fluidity and good operability. The mixing ratio is 1:1,mainly be
suitable for making molds application.
Q642 addition cure silicone rubber is mainly used for molds making
for food grade products. And it is also develop to solve the
problem of not lighting of the candles and the problem of sticky
and white stains on the surface of cement & stone products.
OPERRATING INSTRUCTION of rtv liquid silicone rubber for concrete
molds for garden:
1.Stir part A and part B with right mixing ratio
evenly. And get the mixture for vacuum-
pumping. (If there is no vacuumizer,you can just pour the mixture
slowly from the corner so that less bubbles caused).
2. Enclose the product (the original model) with four plastic
plates or wooden plates.
3. Clean your products and brush a layer of release agent(detergent
or soap water) on your product.
4. Pour the mixture with correct mixing ratio into the model frame.
After about 2-4 hours, when the silicone cured, get out the
original model, and there you get a finished addition cured
silicone mold .
PACKAGE of liquid silicone rubber for large concrete casting:
Packed in clean 5kg/pail, 25kg/pail, 200kg/pail.
For more information , pls feel free to contact Mr Samuel
Office No :0086-755-89948006