RTV 2 silicone rubber for manual art mold making

 RTV 2silicone rubber for manual  art mold making

using the RTV 2 silicone rubber we can make the manual art mold ,and there are some there application of the RTV 2 silicone rubber as follows :

RTV 2 silicone rubber for manual art mold making applications

RTV 2 silicone rubber for manual art mold making  is mainly applicable to manual mold design, PVC plastic molds, cement product molds, melting point alloy molds, alloy toy craftworks, plastic toy craftworks, gifts and stationery, large statues, duplication of cultural relics, shoe sole mold fabrication, pad printing positioning, shock resistance for electronic equipments, etc.

RTV 2 silicone rubber for manual art mold making features description

RTV 2 silicone rubber for manual art mold making  features with the resistance to deformation, good tensile strength as well as low shrinkage, and time of reproduction determined on the basis of customers.

RTV 2 silicone rubber for manual art mold making  operations

 Firstly process and prepare the model mold or the product to be duplicated, take certain amount of the silicon rubber, add 2-3% solid curing agent, and mix evenly and they are ready for use. One pair of mold can be solidified and formed in 2-3 hours.

(Note: our company does not recommend you to add silicon oil. If a special soft silicon mold or fine detailed and complex patterns products are required, 5%-10% silicon oil can be added to soften the mold for easy demold.)

Frequently asked questions for  RTV 2 silicone rubber for manual art mold making

What should we do when the air bubbles appeared in the process of mold making ?

To handle this situation depends on different cases. Under the condition of an available vacuum pumping machine, mix the silicon rubber and curing agent evenly and then take it to vacuum chamber to deair. If without a vacuum pumping machine, reduce the amount of the curing agent properly. For example, change the mixing ratio of the silicon rubber and the curing agent from former 4% to 1%-2%. In this way, the pre-crosslinking time of silicon rubber will slow down, so the air in the mold will be eliminated gradually to reduce the air bubbles. 

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