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Precision Black Granite Straight Edges with Grade00 of DIN, JIS or GB
Granite straight edge
Function: For accurately checking straightness and flatness of machine tools, measuring machines.
Precision grade standard: DIN 876/GB/JIS
Information of our standard granite straight edge (Custom sizes available)

Physical Property of Jinan Black Granite:
Specific Gravity: 3.03 g/cm3
Shore Hardness: > 70Hs-80Hs
Tensile strength: 211Kg/cm2
Compressive Strength: 245-254Mpa
Linear Expansion Coefficient: 4.61×10-6°C
Elastic Modulus: 30-50Gpa
Water Absorptivity: ≤0.13%
Measurement Object: Straightness
Resolution: 0.001mm
Measure Method: Manual
Precision Measuring Device: Precision Measuring Device
Customized: Customized
Color: Black Jinan Granite
Transport Package: Wooden Box
Origin: Jinan
Payment Terms: L/C, T/T, Paypal
Service Fortune can offer
1, OEM/ODM available:
2, Paint logo on the product.
3, Customized product according your drawings.
4, Any your idea on product we can help you to design and provide drawings.


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