Polysulfide Rubbers
- versatile and are especially useful for casting plaster, Hydrocal, and other water mixed cements.
- can be used for casting wax candles and some limited use for resin casting.
- easy to handle, non-adhesive and can be poured over clay or practically any type of model or pattern, using very simple release agents such as soap or Vaseline.
- can be used to take impressions directly from a waterclay or plastelene model, so that permanent master models can then be cast in plaster or Hydrocal.
Read more about this topic: Flexible Mold
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