mold making silicone rubber is a kind of flowable liquid silicone, the quality has nothing to do with the color. It consists of two components. Part A is a flowable liquid silicone rubber, part B is the curing agent. Firstly, after your previous work of dealing with the original model, take some liquid silicone rubber , add 2%-3% curing agent of the amount of silicon, and mix them evenly. Then after vacuum-pumping the mixture, you can pour it into the mold frame. The silicone mold will cured in 2-4 hours. For more information , pls feel free to contact Mr Woody office no. :0086-755-89212369 Mob:86- 18938867593 FAX: +86-0755-89948030 Skype: woodywoodpecke1 Email : hyjhd@szrl.net szrl5345@gmail.com 2355542631@qq.com Welcome to our website www.szrl.net