No. 1 Moulding Plaster
Ornamental Plaster
Often referred to as plaster of Paris or soft plaster, USG® No. 1 moulding plaster is used to create waste molds or temporary patterns where surface hardness and strength are not crucial. USG® No. 1 moulding plaster offers a controlled set that provides uniform workability, has a fine grain making it ideal for producing sharp detail when used neat for cast work. It complies with ASTM C28, sets in 27-37 minutes after mixing.
![](http://www.reynoldsam.com/processwire/site/assets/files/1236/usgno1molding_hero__01_1.png)
![](http://www.reynoldsam.com/processwire/site/assets/files/1236/usgno1molding_hero__02_1.png)
Price and Purchasing
This item cannot be purchased online. Please contact your nearest Reynolds Advanced Materials location for price, availability, and delivery options.