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Hydrostone TB Gypsum Cement (5kg) -
Hard setting Gypsum Cement for tough casts


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This is one of the hardest and strongest gypsum cements. It is used for producing high-quality novelty and statuary castings requiring extremely hard surfaces. Not suitable for hollow products. Has a high water absorption resistance. Works well in plaster and most flexible moulding compounds.

Slightly higher setting expansion than Hydrocal, but is ideal in case moulds, press and stretch dies.

  • Dry compressive strength 10,000 psi. 
  • Setting Expansion: 0.24%


Suited for the castings of hands and feet in alginate, or solid and statuary casts.

TDS (Technical Data Sheet) - Click Here

SDS (Safety Data Sheet) - Click Here

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