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20 Minute Casting Plaster

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Price: $18.50
Manufacturer: US Gypsum
Part No: MPLCAST20-50#

20 Minute Casting Plaster – Sold in 50 Lb Bags.


20 Minute Casting is an economical general purpose industrial plaster suitable where expansion control, hardness, and strength are not of major importance. Working properties are similar to Hydrocal-White.

 (Please note - 50 Lb bags are not available 100% of the time. Contact us for availability, 100 pound bags may only be available certain times of the year)

parts water to 100 parts plaster by weight pounds plaster to 1 gallon water

Settimg Time
(minutes)

% Expansion
(final)

Compressive
Strength(PSI)
20 minute casting 70 11.4 30 .200 2000
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