

Smooth-On Rebound 40 Brush-On Silicone Rubber - Trial Unit (2 lb)
Rebound™ 40 is a self-thickening platinum silicone that you brush on instead of pour. Four thin coats make a strong, durable mold of big or vertical pieces (sculptures, architectural details, props) with far less rubber than a poured block mold. It's on the firmer side (40A) and can be layered with Rebound 25.
Specs:
- Mix ratio: 1A:1B by weight or volume
- Pot life: 20 minutes
- Cure time: 6 hours
- Shore hardness: 40A
- Mixed viscosity: Brushable
- Color: Green
Won't cure against sulfur-based modeling clays; test first if you're not sure.
Trial unit: 2 lb total (1 lb Part A + 1 lb Part B), about 52 cubic inches of rubber. Color it with Silc Pig™ pigments.
Use in a well-ventilated area and wear vinyl gloves (latex gloves stop platinum silicone from curing). Store and use at room temperature (73°F / 23°C). Packaging may vary.
Roasted, ground and sealed to order. Nothing sits on a shelf.
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Roasted, ground and sealed to order. Nothing sits on a shelf.