MODEL RAIL ROAD PLASTER 25 lbs $39 DELIVERED PRICE

Description

Gypsum Cement – Hydrocal
25 lbs for $39  –  DELIVERED PRICE
Description
Multi-purpose gypsum cement ideal for both solid and hollow casting of lamp bases and figurines.
Physical Properties
Water/Powder Ratio
36-40ml/100g
Working Time
20-35 minutes
Setting Time
30 minutes
Setting Expansion
0.40%
Compressive Strength (1hr)
1,000psi
Compressive Strength (Dry)
5,000psi
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