
Silky-Rock is an ISO Type 4 die stone characterized by exceptional hardness and density throughout, with a silky-smooth pouring quality that flows freely into all types of impressions. It offers a low setting expansion of 0.09%, a working time of 3-6 minutes, and an initial set of 10 minutes, with a wet compressive strength of 6,000 psi (41 MPa) and dry strength of 13,000 psi (90 MPa). Supplied as 120 pre-measured 70 g packets per box in yellow, it is one of the world's most popular die materials.
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Silky-Rock is an ISO Type 4 die stone characterized by exceptional hardness and density throughout, with a silky-smooth pouring quality that flows freely into all types of impressions. It offers a low setting expansion of 0.09%, a working time of 3-6 minutes, and an initial set of 10 minutes, with a wet compressive strength of 6,000 psi (41 MPa) and dry strength of 13,000 psi (90 MPa). Supplied as 120 pre-measured 70 g packets per box in yellow, it is one of the world's most popular die materials.
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