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Granite Precision Measure
Pyysical Properties of"Jinan Black" Granite
Specific Gravity:2970~3070kg/m3Compressive Strength 245~254N/mm2Elastic Modlues 1.27~1.47/mm2Linear 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 unconstrained
Granite Precision Measure