Mainly applies to steel wire radial ply tyre, steel wire reinforcing conveyor belt and hose, and other rubber metal composite.
Item
Index
Co
22.5±0.5
Ca
≤ 0.030
Cu
≤ 0.001
Mn
≤ 0.002
Fe
≤ 0.010
Ni
≤ 0.001
Heptance insoluble substance %
8.0±1.0
boron,(determine the nature)
exist
Heating decrement105°C %
≤1.5
Infrared spectrum(refer to standard atlas)
Comparable
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