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HYDROSTONE 19 Lbs for $35 *:
$35.00
Hydrostone19 lbs for $35 free shipping
Description
One of the hardest and strongest of all gypsum cements, Hydrostone is recommended for producing high-quality novelty and statuary castings requiring extremely hard surfaces. This product is self-leveling when poured.
Physical Properties
Water/Powder Ratio- 26-28ml/100g
Working Time - 20-25 minutes
Setting Time - 30 minutes
Setting Expansion - 0.25%
Compressive Strength (1hr) - 8,000psi
Compressive Strength (Dry) - 10,000psi
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