Buffstone is an affordable, Type 3 gypsum designed for a wide range of general laboratory applications. Its extended working time allows the flexibility to complete multiple pours—ideal for creating consistent, high‑quality models and bases.
Physical properties:
- Mixing ratio: 30ml water to 100g powder
- Working time: 6 to 8 minutes
- Setting time: 15 minutes
- Setting expansion: .15%
- Compressive strength:
- Wet (1 hour): 4,000 psi (28 MPa)
- Dry (48 hours): 8,000 psi (56 MPa)
33 lb. carton.
Made in USA. 
