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Marble (granite) workbench
The properties and applications of granite: Granite has a dense structure, high compressive strength, low water absorption, high surface hardness, goo
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Jinggu Cheng Measuring Machinery Co., Ltd. Trademark Registration Certificate No. 6218323
Marble (Granite) Workbench | Granite Inspection Workbench - Botou Jinggu is the hometown of sincere casting!
Jinggu Cheng Measuring Tools welcomes your call: 0317-8260003 8260004 8260005
The main mineral components of marble (granite) workbench stone are pyroxene, plagioclase, a small amount of olivine, biotite, and trace magnetite. It has a black luster, precise structure, and has undergone billions of years of aging. Its texture is uniform, stable, strong, and hard, and it can maintain high precision under heavy loads; Marble (granite) workbench is suitable for industrial production and laboratory measurement work.
Marble (granite) workbenchPhysical performance:Flatness tolerance according to GB4987-85 standard:
Level 000=1 × (1+d/1000) um Level 00=2 × (1+d/1000) um
Level 0=4 × (1+d/1000) um Level 1=8 × (1+d/1000) um (d is the diagonal mm) (the measured temperature is generally at 20 ± 2 ℃)
Marble (granite) workbenchSpecific gravity: 2970-3070kg/m2
Compressive strength: 245-254N/m
Linear expansion coefficient: 4.61 × 10-6/℃
Water absorption rate:<0.13%
Shore hardness: above Hs70
Marble (granite) workbenchSpecifications: (Special specifications require customization)
Marble (granite) workbenchaccuracy class 000 level flatness 00 level flatness Level 0 flatness Level 1 flatness Flatness tolerance (um) 300×300×70 1.5 3 5.5 11 300×400×70 1.5 3 6 12 400×400×70 2 3.5 6.5 13 400×500×100 2 3.5 7 14 400×600×100 2 3.5 7 14 400×630×100 2 3.5 7 14 450×600×100 2 3.5 7 14 500×600×100 2 3.5 7 14 500×800×100 2 4 8 16 600×900×100 2.5 4.5 9 18 600×900×130 2.5 4.5 9 18 1000×630×150 2.5 4.5 9 18 1000×750×150 2.5 4.5 9 18 1000×1000×150 2.5 5 10 20 1000×1500×200 2.9 5.7 11.3 22.6 1000×1600×200 3 6 12 24 1000×2000×200 3.5 6.5 13 26 1500×2000×200 3.5 7 14 28 1500×2000×300 3.5 7 14 28 1500×3000×300 3.5 7 14 28 2000×3000×300 4.5 8 18 36 2000×4000×400 5.5 11 22 44
Marble (granite) workbenchSpecification (mm)
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