USG No. 1 Moulding Plaster - 50 lb Bag

An ornamental plaster used for creating decorative trim or running cornices. Designed for use where expansion control, hardness and strength are not primary considerations.

Often referred to as Plaster of Paris or soft plaster, No. 1 Moulding Plaster is used to create waste molds or temporary patterns where surface hardness and strength are not crucial.

Features

• 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

50 lb bag