Specification:
Shape and size 6-150: producing different size according to customers''s demand in this score
Quadrate pere:density 150-400 pore/inch the ply of the board between pore<0.3mm
Crushing Strength vertical>12MPa Radio>4Mpa
Coefficient of neated expanding 1-2X-6/0C
Tip top used temperature:15000C
Spalling resistance:9000C