Hours of Operation
Mon-Fri: 9-5
Sat: 10-3
Closed Sundays
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20 Minute Casting Plaster
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)
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parts water to 100 parts plaster by weight
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pounds plaster to 1 gallon water
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Settimg Time
(minutes)
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% Expansion
(final)
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Compressive
Strength(PSI)
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| 20 minute casting
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70
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11.4
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30
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.200
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2000
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- Please handle all raw materials with safety in mind. The Dry form of all clay, glaze, and raw materials can expose you to hazards when not handled properly.
- When handling and mixing DRY ceramic materials and powders, wear a full breathing respirator, eye protection, and gloves to protect your lungs and hands
- PROP 65 WARNING FOR RESPIRABLE SILICA
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