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Silky Rock Die Stone Low Expansion Gypsum 33LB
Silky Rock Die Stone Low Expansion Gypsum 33LB
Regular price
$62.00 USD
Regular price
$64.98 USD
Sale price
$62.00 USD
Unit price
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per
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Silky-Rock is characterized by exceptional hardness and density throughout, and an unusual “silky-smooth” pouring quality that makes it flow freely into any type of impression. It works well with all types of impression materials. These properties, together with its low setting expansion, make Silky-Rock one of the world’s most popular die materials.
Physical Properties:
Water/Powder Ratio: 23 mL/100 g
Working Time: 3 - 6 minutes
Setting Time: 10 minutes
Setting Expansion: .09%
Compressive Strength, Wet (1 hour): 6,000 psi (41MPa)
Compressive Strength, Dry (48 hrs.): 13,000 psi (90 MPa)
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