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Cangzhou Zhongbo Heavy Industry Machinery& Equipment Co.Ltd
Granite Surface Plate
- Granite Surface Plate
Feature
Closed grained & uniform texture
Very hard,high wear resistance&extreme rigidity
Outstanding dmensional stability
Least affected by temperature changes
Non-corrosive & easy maintenance
Least subected to internal stresses
Suction-free & non-magnetic
Lifing facility procided for standard sizes
Top surface lapped smooth&flat
Inspected by electronic level ,precision level&auto collimator traceable to NABL
Dust cover provided for top surface
Physical properties
Specific Gravity: 2970-3070kg/m3
Comprissive Strength: 245-254N/ mm2
Elastic Modulus: 1.27-1.47N/ mm2
Linear Expansion Coefficient 4.61*10-6/°C
Water Absorption: <0.13%
Shore Hardness: Hs70 upwards of
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