ZC 20 is A poly-condensation RTV 2 silicone rubber that vulcanizes at room temperature.
The product is composed by a BASE component (white COLOUR) and a tin-cure CATALYST component (transparent COLOUR).
Mix energically the mass (mixing ratio base + 5%) till to obtain an homogeneous colour. The hardening happens in approximately 16-20 hours.
After 24 hours the product is hardened.