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Hard Rock Die Stone High Expansion Gypsum 33LB

Hard Rock Die Stone High Expansion Gypsum 33LB

Regular price $120.00 USD
Regular price $130.00 USD Sale price $120.00 USD
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The material is compatible with all types of impression materials. Its high expansion makes it especially suited for polyvinyl or polyether impression materials. This material has a creamy and thixotropic consistency for good flow under vibration, yet is very stackable. Its extended working time facilitates multiple pours. The stone has a smooth non-brittle surface so dies trim easily without chipping.

Physical Properties:
Water/Powder Ratio: 21 mL/100 g
Working Time: 6 - 8 minutes
Setting Time: 15 minutes
Setting Expansion: .28%
Compressive Strength, Wet (1 hour): 7,000 psi
Compressive Strength, Dry (48 hrs.): 15,000 psi (104 MPa)
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