Alpha plaster is produced by Natural gypsum. With high bending strength.

Alpha plaster

Widely be used for high strength building products, pottery, coasting mould, art mould, etc, most components as building materials.

High Strength Gypsum Powder for Mould
Specification:
Mesh: 120mesh
Strength: 3. 5mpa
Packing: 50kg / bag; 40kg / bag