What should you do for deformation of the silicone...

1.reduce the mixing ratio of silicone and curing agent, the more curing agent, the silicone mold will be easily deformation. 2.no adding silicone oil into silicone rubber. 3.when silicone molds well made, pouring some fluid gypsum into the molds, and keep the gypsum in the molds in room temperature. 4.different sized products, differnt hardness of silicone. for small sized(within 30 cm) products, silicone should be of hardness around 15-20 Shore A, while medium sized products (30-60cm), silicone should be of hardness around 30-35 Shore A, for big sized products, silicone be of hardness around 35-40 shore A, and brushing way mold making.