Supply new RTV 2 silicone for concrete mold making: 

 New RTV 2 silicone for concrete mold making are used for mold duplication and delicate mold making for concrete mold making, poli crafts, resin crafts lighting and candle crafts 





 Operation of new RTV 2 silicone for concrete mold making: 

 1, Take 100g of part A and add 2g of part B and mix the silicone rubber and curing agent evenly. 

 2, vacuum-pumping the mixture of silicone rubber and curing agent, this step must takes less than 10 minutes 

 3, Evenly brush the mixed silicon rubber on the product which is covered with mold spray with a brush or a brush pen. 

 4, Cover a glass cloth on it after 30 minutes of a cross linking reaction, which can increase the tension and tear strength of the mold. 



 New RTV 2 silicone for concrete mold making Features: 

 A. a low cost way to make moulds 

 B. a mould is built using a layer process 

 C. more time and fairly lengthy process to make your mould 

 D. easy to use 

 E. amazing elongation to break 







 Frequently asked questions of New RTV 2 silicone for concrete mold making 

 1. Why should the silicone mold be reused only for a few times? 
 It can be due to the following reasons: 
 a. Adding too much silicone oil in to silicon rubber. Silicon oil is an additive which destroies the molecular weight of silicone rubber and reduce the tension and tear strength. 
 b. Using the silicon rubber with a high hardness to make molds for small sized products with delicate and intricate designs and the silicon rubber with a low hardness to makes molds for large sized products with simple designs. 


 (Notes: we should choose the silicon rubber specifically according to the requirements of our products to avoid this problem.) 



 If you need more information about New RTV 2 silicone for concrete mold making, please feel free to advise about your idea, then we will follow it to recommend the most suitable silicon rubber for your products. Looking forward to hearing from you 


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