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                  Product Name: banded pistonPlace of Origin: Ningbo,China Category name: Shock absorber piston Model: 32# 
Description
            Test item Test result Test method
density(g/cm³) 2.143 GB/T1033.1-2008
hardness 57 GB/T2411-2008
tensile strength(MPa) 23.784 GB/T1040.2/1B-2006
elongation at break(%) 339.566 GB/T1040.2/1B-2006
friction coefficient 0.172 GB/T3960-1983(1989)
abrasion(mg) 38.2 GB/T3960-1983(1989)













