*All prices are in Canadian funds.
Moulding Plaster No.1 50Lb bag (220015)
A general purpose plaster suitable for architectural, art, and support shell (mother mold) applications. Packaged in 50 Lb bag.
Often referred to as "Plaster of Paris" or soft plaster. Used for waste molds or temporary patterns where surface hardness and strength are not important. Screeds well under a template but is not as hard or strong as HYDROCAL cement.
Use Consistency (70 parts of water by weight per 100 parts plaster)
Dry Compressive Strength 2,000 psi
Maximum Setting Expansion 0.200%
Density Wet 99.0 lb/ft3
Density Dry 69.0 lb/ft3
Set Time (Hand Mix) 27-37 min.