Mixture for the production of a high-expansion stone die

Details Mixture for the production of a high-expansion stone die Mixture for the production of a high-expansion stone die

2005-04-19

2005-04-19

Green, Anthony J. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

C106S035000, C106S038350, C106S772000, C106S781000, C264S333000

Reexamination Certificate

active

06881258

ABSTRACT:
The present invention refers to a mixture comprising alpha CaSO4×½ H2O, CaSO4×2 H2O, a combination of a hardening accelerator, a hardening retarder and a setting expansion inhibitor, and optionally a surfactant.The mixture can be used to prepare a die having an extremely high setting expansion.

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