How To Make a Brush‑On Mold with a Lightweight Support
Step 5: Dispensing and Applying 'Third and Fourth Layers" of Rebound™ 25
Mix and apply a third small batch of rubber. After the model and board are covered, let the rubber cure 60 minutes until tacky. Then, mix and apply a fourth and final layer of rubber. Let all layers cure for at least 6 hours at room temperature. (72˚F/22˚C)