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Copolymer Coated Steel Tape
May 31, 2018

Copolymer Coated Steel Tape is an important material for cable armoring and shielding .The pure steel tape is used high quality chrome steel tape. The using of Copolymer Coated Steel Tape can reduces pure metal usage. It can maintain the original performance and reduced costs of cable manufacturing. Secondly, the copolymer layer can reduce the damage of plastic layer when copolymer coated steel tape is bend or scratched、it can improve the resistance of the copolymer coated steel tape.


The influences of copolymer coated steel tape to stretching, cohesive, anti-corrosion and moisture and forming for cable manufacturing.

It should be noted that do not allow 2 or more copolymer coated steel tape on the same core tube when winding copolymer steel tape.  The core’s width of slitting steel-plastic composite tape should be the same with the width of steel-plastic composite tape . The die of core is less than 1 mm  than the slitting steel tape. The width of core should longer 5-10mm more than copolymer coated steel tape without slitting .  it is not allowed to have two joint in the same roll of copolymer coated steel tape, but allowed to have butt welds. the length of less than 1.4km is allowed to have one butt. the length of 1.4km and above allows two butts. The thickness of the joint shall not exceed 1.5 times than the original thickness.The plastic layer of the joint shall be restored and the joint shall be marked.The distance between the two joints shall be not less than 305m.The tensile strength of the jointed steel-plastic composite tape shall not be less than 85% of the adjacent non-joint steel-plastic composite tape. 1m long jointed steel-plastic composite with a DC resistance, should not be greater than the adjacent 1m long non-joint steel-plastic composite with DC resistance of 110%.http://www.copolymercoatedaluminumtape.com/

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