How To Make a Brush‑On Mold with a Lightweight Support

Mix and apply another layer of rubber, this time adding a small amount of SILC-PIG® color pigment to help distinguish one layer from the next. The rubber should be sticky to the touch, but does not come off onto your glove. If the rubber is still wet, do not apply the next layer yet. After the model and board are covered, let the rubber cure for 60 minutes until tacky.