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Steve Biggs, The Big Cheeze
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Freeze Warning.
Latex and certain other products will be destroyed if frozen. We watch weather patterns, but this happens a few times each year. You may want to consider fast shipping.
Please communicate with us so that we can get you the materials that you need.
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Watch for new prices for Ben Nye, Kryolan and other brands.
Ben Nye prices were changed in February, 2009 and Kryolan prices were changed in Janurary, 2010. OK, We know it's way past then. If you order before we get a chance to update our database then you get the goods at last year's prices.
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Plaster, Stone
and Gypsum Products
See our Basic
Materials Page for definitions and more details on these
products.
Packaged in buckets.
Molders' Plaster or #1 Pottery Plaster
Tooling plaster used to make absorption molds.
| MP-10 |
Molders' Plaster, 10 lb *S* |
$12.00
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| MP-25 |
Molders' Plaster, 25 lb *S* |
$20.00
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| MP-50 |
Molders' Plaster, 50 lb *S* |
$30.00
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UltraCal30
A favorite tooling gypsum used to make molds. Can be used
for absorption molds. Favorite for making molds for foam latex.
| CAL30-10 |
Ultracal 30, 10 lb *S* |
$15.50
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| CAL30-25 |
Ultracal 30, 25 lb *S* |
$26.50
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| CAL30-50 |
Ultracal 30, 50 lb *S* |
$37.50
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Hydrostone
Casting material that is very strong and very white. Can't
be "built up" into walls. 10,000 psi. set time 17-20
minutes.
| HYD-10 |
Hydrostone, 10 lb *S* |
$15.50
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| HYD-25 |
Hydrostone, 25 lb *S* |
$26.50
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| HYD-50 |
Hydrostone, 50 lb *S* |
$37.50
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Hydrocal White
Casting material that is also strong and very white. Can be
used for dental prosthetic work. 5000 psi. set time 25-35 minutes.
| HYDW-10 |
Hydrocal White, 10 lb *S* |
$16.50
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| HYDW-25 |
Hydrocal White, 25 lb *S* |
$23.00
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| HYDW-50 |
Hydrocal White, 50 lb *S* |
$29.00
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Hydrocal 105
Dental stone with a yellow tint. 6000 psi. set time 7-10 minutes.
| H105-10 |
Hydrocal 105, 10 lb *S* |
$16.50
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| H105-25 |
Hydrocal 105, 25 lb *S* |
$23.00
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| H105-50 |
Hydrocal 105, 50 lb *S* |
$29.00
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Mixing Ratios for Plaster and Gypsum
These are factory (high volume) recomendations. Your mixtures will probably be
dryer than these.
Casting Plaster
65 parts water by weight to every 100 parts of product.
Molders' Plaster or No. 1 Pottery Plaster
70 parts water by weight to every 100 parts of product.
UltraCal30
38 parts water by weight to every 100 parts of product.
Hydrostone
32 parts water by weight to every 100 parts of product.
Hydrocal White
45 parts water by weight to every 100 parts of product.
Hydrocal 105
40 to 42 parts water by weight to every 100 parts of product.
Example: Suppose you wish to mix 100 lbs. of Hydrostone. For the factory
recommended mix add 32 lbs. of water.
Notes: Generally the less water the stronger the end product will be. Most
artists mix by sight, which is often a dryer batch than the factory
recommendation. A wet batch takes longer to harden and will not have sharp
detail. A dry batch usually will have air bubbles or pockets and may harden too
quickly. Don't use soft water. Don't breath the dust from these products. Don't
use for body casting directly on the skin. It is normal for these products to get
hot during the setting process.
For best results follow the following procedure:
1) Measure out powder and water in advance.
2) Sift powder into the water. You may start with about 3/4 of the water needed
and then use the remaining water later to adjust your batch.
3) Stir with a Jiffy Mixer (TM).
4) Don't put a new batch of plaster over a partially hardened mix.
*S* = Special Shipping Required
This page originally posted: 02/11/1997
This page last updated: 01/15/2010 |