Shanghai Huapu Cable

Material Supplies

The company have strict executed accordance with ISO9001 system requirement, it has strict evaluation of enterprise of raw material, after the qualified, the enterprise can be our supplier, meanwhile, the incoming raw material is inspected strictly is accordance with related national standard or technical condition, after the qualified, they can enter in to the warehouse of raw material.

The main material inspection items are as following:
1. Electrician round copper wire
        Dimension, appearance, mechanical properties, resistivity and weight
2. Semi-conductor inner shielding material of XLPE cable
        Tensile strengthen testing
        Crack growth rate
        Thermal extension
        Volume resistivity
        Peel strengthen
        Density ratio  135 ℃,  168h dilatation temperature change after 168h heat ageing testing, the elongation after aging.
3. Semi-conductor external shielding material of XLPE cable
        Tensile strengthen
        Crack growth rate
        Thermal extension
        Volume resistivity
        Dielectric strengthen
        Density ratio  135 ℃,  168h dilatation temperature change after 168h heat ageing testing, the elongation after aging.
4. Copper strips for shield
        Tensile strengthen
        Growth rate
        Superficial mass
        External dimension
5. Armored with lacquered steel tape
        External dimension, superficial mass, conductive coating quality (includes: thickness, bending test impulse test, corrosion resistance test,, heat resistance, endurance of low temperature testing)
6. Insulated PE material
        Density, volume resistivity test at the 20℃, Dielectric strengthen , tensile strengthen, Crack growth rate, thermal extension, quality loss of thermal ageing, thermal deformation.
7. PVC insulated material
        Density, volume resistivity test at the 20℃, Dielectric strengthen , tensile strengthen, Crack growth rate, thermal extension, quality loss of thermal ageing, thermal deformation.


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