Buff Stone

ISO Type 3

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.

Physical Properties

Water/Powder Ratio
30 mL/100 g
Working Time
6 - 8 minutes
Setting Time
15 minutes
Setting Expansion
0.15%
Compressive Strength, Wet (1hr.)
4,000 psi (28 MPa)
Compressive Strength, Dry (48 hrs.)
8,000 psi (56 MPa)
Item No. Description
330051 Buff Stone Buff 33#/15KG