| Article number: | 47000 |
| Availability: | In stock (35) |
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 Complies with ASTM C28 Sets in 27-37 minutes after mixing Requires 70 parts water by weight per 100 parts plaster Is available in 50- and 100-pound bags