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Granite precision measure
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Granite Precision Measure
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Parameters
Pyysical Properties of"Jinan Black" Granite:
☆ Specific Gravity: 2970~3070kg/m3
☆ Compressive Strength: 245~254N/mm2
☆ Elastic Modlues: 1.27~1.47/mm2
☆ Linear Expansion Coefficient: 4.61 × 10-6/°C
☆ Water absorptivity:< 0.13%
☆ Shore Hardness:> Hs70
γ irradiation rate is based onf JC518-93,the inspecting results are as follows.Technical requiement:5.2 × 10-3 μ c/kg · h Inspecting data; 2.6 × 10-3 μ c/kg · h This product belongs to item A,the using scope is unconstrainedγ

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Jinan Xindeshitong Prescision Machinery Co.,Ltd 鲁ICP备11029869号