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AMACO Pottery Plaster, 50 lbs.

Q: does it break easy? for example if I want to do trinket trays

This is stronger than plaster of Paris. You'll want to have the right ratio of powder to water based on your form/mold

Q: Can I use this for Lost Wax casting?

I can not positively answer yes or no, but from what I do know, I really think the answer would be, yes. I have not used it for that, but I have viewed someone cast a piece of metal jewelry at a festival. The mold looked just like the plaster ceramics molds I make from this plaster. I didn't ask him. You can only use the mold once as it is shattered when it is thrown into a bucket of water to quench the heat from casting. It would be imperative that you have the proper centrifugal cast equipment / set up to make sure the metal reaches the very bottom while still liquid. Good luck.

Q: Is this the same as hydro cal gypsum?

No. Hydrocal is a different mix. Same manufacturer though.

Q: Could this be used for pouring into a mold and then firing in a Kiln?

No this is not for a kiln firing. In a mold usage it is fine, but only to be air dried.

Product ID: 276955997

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Details

Brand
AMACO
Colour
White
Age range (description)
Adult
Material
Plaster
Item weight
22.68 kg

🎨ultra-fine detail capture

📦50 lbs bulk creative power

⏱️30 min quick set time

Frequently Bought Together

AMACO Pottery Plaster, 50 lbs.

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Description

🎨 Mold your masterpiece before the moment slips away!

RELIABLE QUALITY - Trusted AMACO brand with consistent, professional-grade plaster every time.
VERSATILE ARTISTRY - Perfect for slip casting, hand molding, and large-scale original molds.
FAST TRACK CREATIVITY - Sets in just 30 minutes to keep your projects moving at lightning speed.
PRECISION MOLD MASTERY - Highly absorbent formula captures every intricate detail flawlessly.
BULK SUPPLY BIG IMPACT - Generous 50 lb bag ensures you never run out mid-creation.

AMACO Pottery Plaster is a professional-grade, quick-setting white plaster designed for artists and model makers. It sets in 30 minutes when mixed at 70% water by weight, offering high absorbency and exceptional detail capture. Supplied in a 50 lb bag, it’s ideal for slip casting, hand molding, and creating large-scale original molds, making it a must-have for serious creatives.

Specifications

Brand	AMACO
Model Number	52803P
Color	White
Product Dimensions	48.26 x 35.56 x 12.7 cm; 22.68 kg
Material	Plaster
Special Features	Quick-Setting
Item Weight	22.7 Kilograms

Have a Question? See What Others Asked

does it break easy? for example if I want to do trinket trays

Can I use this for Lost Wax casting?

Is this the same as hydro cal gypsum?

Could this be used for pouring into a mold and then firing in a Kiln?

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