$31.81

• Water/Powder Ratio: 30 mL/100 g
• Working Time: 6 - 8 minutes
• Setting Time: 15 minutes
• Setting Expansion: 0.15%

Buffstone Buff 33lb/15kg. An economically priced Type 3 gypsum for all general purpose lab uses.

Buff stone features an extended working time which allows technicians to do multiple pours of models or bases. Compressive Strength, Wet: (1hr.

) 4,000 psi (28 MPa). Compressive Strength, Dry: (48 hrs.

) 8,000 psi (56 MPa)