1. No deformation, high hardness and strong wear resistance.
2. Anti-abrasive, high temperature resistant, maintenance free.
3. It is physically stable, organized tightly, and it is detached by impacted crystals. The surface has no burrs and does not affect its plane accuracy. The granite measuring platform has a simple working surface and is stable in construction. The material is stable and can guarantee long-term deformation. Small expansion coefficient, high mechanical precision, anti-rust, anti-magnetic, and insulation.
First, the rock has long-term natural aging, uniform structure, minimal linear expansion coefficient, and the internal stress disappears completely without deformation.
Second, the rigidity is good, the hardness is high, the wear resistance is strong, and the temperature deformation is small.
Third, not afraid of acid, lye matter erosion, will not rust, do not need oil, not easy to stick dust, maintenance, maintenance is simple and convenient, long service life.
Fourth, there will be no scratches, not subject to constant temperature conditions, and the temperature measurement accuracy can be maintained at normal temperature.
Five, no magnetization, smooth movement when measuring, no stagnation, not affected by moisture, the plane is well defined. Physical properties: specific gravity 2970-3070kg/m3 compressive strength: 2500-2600kg/cm3 elastic coefficient: 1.3-1.5×106kg/cm2 water absorption.
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