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Portland Eugene

     
Serving 3-D & clay artists in the Pacific Northwest and beyond since 1965
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Plaster

 

Plaster is one of the most flexible, versatile art materials made. Molds, sculpture, hobby crafts, medical and dental uses: plaster serves all these needs and more. We can help you determine which plaster is right for your intended application. All plaster is packaged in standard 50-pound bags. Other types of plaster and gypsum stone are available with minimum orders of 4,000 lbs.

 

USG1
Pottery #1
Formulated to provide stronger, more durable molds than regular pottery plaster. The standard of the moldmaking industry. SEE MIXING INSTRUCTIONS BELOW.

Mix Ratio: 70
Expansion 0.210
Crush PSI 2000
Set Time 27-37 min
Qty:

 

USG2
Molding Plaster
Great for plaster bats. A good utility plaster when expansion, hardness and strength are not of great importance.

Mix Ratio: 70
Expansion 0.200
Crush PSI 2000
Set Time 27-37 min
Qty:


USG3
Casting Plaster
Great for casting plaques and figurines. This general use industrial plaster is formulated for greater strength and chip resistance than regular plaster. Working properties and set time similar to Hydrocal White. SEE MIXING INSTRUCTIONS BELOW.

Mix Ratio: 70
Expansion 0.200
Crush PSI 2000
Set Time 27-37 min
Qty:

 

USG4
Dental Lab Plaster
A general dental application plaster with a set time between 6 and 9 minutes.

Mix Ratio: 70
Expansion 0.210
Crush PSI 2000
Set Time 6-9 min
Qty:

 

 

USG6
Hydrocal White Plaster
Our most general use plaster cement, it can be carved or added to, possesses excellent plasticity for workability, and a gradual setting time. Also has higher expansion properties.

Mix Ratio: 45
Expansion 0.390
Crush PSI 5000
Set Time 25-35 min
Qty:

 

USG11
Hydrostone Plaster
Hydrostone is an extremely hard and strong plaster. Its very low viscosity allows for excellent detail reproduction. Primarily used for high-quality art, novelty and statuary castings. Available in a non-yellowing formulation. Moderate expansion properties.

Mix Ratio: 32
Expansion 0.240
Crush PSI 10,000
Set Time 17-20 min
Qty:

 

USG12
Hydrocal 105 Plaster
This yellow dental stone is very similar to Hydrocal White, but tinted for dental work.

Mix Ratio: 45
Expansion 0.390
Crush PSI 5,000
Set Time 25-35 min
Qty:

 

Plaster Mixing Instructions

For USG1, USG2, USG3, USG4, and USG5:

• Mix should be 1½ parts plaster to 1 part water, measured by weight.
• Dump plaster in water.
• Allow to soak for 2 minutes.
• Mix 2 minutes to heavy creme density.

 

For USG11:

• Mix should be 1 quart water to 7 pounds USG11.
• Dump plaster in water.
• Allow to soak for 2 minutes.
• Mix 2 minutes to heavy creme density.

 

For USG6 & USG12:

• Mix should be 1 quart water to 5 pounds USG6 or USG12..
• Dump plaster in water.
• Allow to soak for 2 minutes.
• Mix 2 minutes to heavy creme density.
   
    All contents related to Georgies' products copyright 2010. All rights reserved.
Georgies Ceramic & Clay Co. • 756 NE Lombard • Portland OR 97211 • 503.283.1353 • 800.999.CLAY
Georgies of Eugene • 1471 Railroad Blvd #9 • Eugene OR 97402 • 541.338.7654 • 866.234.CLAY
Store Hours: Monday thru Saturday, 9:00a to 5:00p Pacific time • Business office hours 9a-5p, Monday thru Friday
 
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