For Concrete Decoration Crafts RTV silicone

Any more information,pls feel free to Berry Huang,call 0086-755-89948006, or 8613418479937 .

4. Adding curing agent 4%, the silicone can still be operated within 10 - 15 minutes and can be demoulded after 1 -1.5 hours. 

3. Adding curing agent 3%, the silicone can still be operated within 28 - 30 minutes and can be demoulded after 1.5-2 hours.

2. Adding curing agent 2%, the silicone can still be operated within 50 minutes to 1 hour and can be demoulded after 2-3 hours.

1. Adding curing agent 1%, the silicone can still be operated within 2.5 hours and can be demoulded after 6-8 hours.

5.The proportions and reactions of the curing agent and the silicon are listed as follows:

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

    The amount of the curing agent depends on the actual requirements of the customer. If molds requiring fast drying and demould, more curing agent is needed; contrarily, if molds requiring slower drying and demould, less curing agent is needed.

    On the contrary, if  the mold with fine and precision patterns , it should be made of silicon with low hardness.

     If the customer wants to make large products and large size molds, the mold should be made of silicone rubber with high hardness.

RTV molding silicone rubber is a white or red flowing liquid with general hardness of 22-50A

RTV molding silicone:high tensile & tear strength,Low linear shrinkage,Reasonable price,free Curing agent