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Film blowing machine film properties of the technical requirements

Film blowing machine film properties of the technical requirements

1 specification and deviation
Polyethylene film width, thickness shall meet the requirements of film thickness, vertical, horizontal thickness deviation is small, and the deviation is more evenly distributed.

2 Appearance
Polyethylene film plastics requires good, no obvious fish-eye, the film surface is smooth, no wrinkles, no bubbles, burst phenomenon, no black spots, impurities, and slash is not allowed to hang silk pattern there.

3 Physical and mechanical properties
     As blow after the composite polyethylene film for printing or processing, should be the role of mechanical force, therefore, required physical and mechanical properties of polyethylene film should be fine, including tensile strength, elongation at break, tear strength of several indicators such as the standard.

 

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