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Granite Measuring Surface Plate

price: Negotiable
Total supply:
Delivery term: The date of payment from buyers deliver within days
seat: Shandong
Validity to: Long-term effective
Last update: 2019-10-28 16:55
Browse the number: 71
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Product details

Granite measuring surface are used for precision gauging, inspection, layout and marking purposes. They are preferred by Precision Tool Rooms, Engineering Industries and Research Laboratories because of their following outstanding advantages.

Fortune granite measuring surface plates are made of black granite which is stronger and denser than light colored granite, and more stable.

The hardness and stability allow accuracies within 0.001 mm Along with the high accuracies, granite is rust-proof, non-magnetic, abrasive resistant, non wedging, wrap-resistant and easily cleaned. The granite used for surface plates has an excellent distribution of hard quartz which provides a smooth, long-wearing working surface.

Product Speciality:

1. Made of high quality Jinan Black Granite.

2. High precision and high stability.

3. No rust and anticorrosion.

4. Non magnetization.

5. Good abrasion resistance.

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%

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