Rebound™ 40 is an easy-to-use platinum-cure silicone rubber which self-thickens for making brush-on moulds of almost any model. Mixed 1A:1B by volume (no scale necessary), Rebound™ rubber can be applied with a brush or spatula to vertical surfaces without sagging and will cure with negligible shrinkage to a flexible rubber.
Rebound™ 40 is soft, flexible and is good for making moulds of models with deep undercuts. Depending on model configuration, Rebound™ 40 can be inverted as a glove moulds. Rebound™ 25 is softer and more flexible. These products are compatible. For example, you can apply two coats of Rebound™ 25 and back it up with two coats of Rebound™ 40.
Advantages Over Urethane Brush-On™ Rubber:
Rebound™ will not stick to most surfaces, so surface preparation is minimal
Two liquids that mix easily together
stands up better to production casting of resins and low temperature melt metal alloys
has a long library life
4 thin layers are all that is necessary to make a flexible, strong and durable production mould for casting wax, gypsum, concrete or resins (urethane, polyester, etc.). And because Rebound™ is a platinum silicone, it will last for many years in your mould library. Applications include reproducing sculpture, architectural restoration, making candle moulds, casting pewter, etc.
Note: These products will not work with modeling clays containing sulfur under any circumstances.
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