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1. Material: Jinan Black
Specific Gravity: 3.07g/m3
Compressive Strength: 257MPa
Elastic Modulus: 1.37GPa
Linear Expansion Coefficient: 4.61x10-6/℃
Water Absorptivity: 0.12%
Shore Hardness: 79.9
2. Features: High-Precision, no rust, acid and alkali-resistant, no magnetized, no deform, good abrasion resistance etc.
3. Applicable area: These kind of granite parts are produced with our customers special request as the Air bearings stage, Linear Motor stage, Optical encoder stage etc.4. We can manufacture the granite machinery parts by customers’ requirements. The largest part can be up to 8000×3000×600mm.