RTV-2 silicone rubber for concrete mold making

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the proper silicone rubber to make the mold for suitable products.

strength of the mold, and the mold will have deformation. Thus, we should take

large products with soft silicone rubber which will reduce the tensile and tear

higher hardness silicone rubber which is easy to break; making the mold for

silicone rubber; making the mold for small and fine detailed products with

reasons: adding too much silicone oil which will destroy the molecular of

       The silicone rubber mold has few molding times is due to follwoing

Why does the silicone rubber mold have few molding times?

Frequently asked questions of moulding silicone rubber

silicone oil can be added to soften the mold for easy demould.)

silicon mold or fine detailed and complex patterns products are required, 5%-10%

(Note: our company does not recommend you to add silicone oil. If a special soft

agent is needed.

needed; contrarily, if molds requiring slower drying and demould, less curing

the customer. If molds requiring fast drying and demould, more curing agent is

hardness. The amount of the curing agent depends on the actual requirements of

mold with fine and precision  patterns, it should be made of silicon with low

should be made of silicon rubber with high hardness. On the contrary, if the

If the customer wants to make large products and large size molds, the mold

Silicone rubber for mold making operations

good tensile strength ,tear strength and elongation.

high-temperature, acid-alkali and expansion as well as high reproduction times,

silicon rubber mold which features with resistance to deformation,

hardness of 22-50A

RTV-2 silicon rubber features
1) High tear strength
2) Excellent performance
3)good operability