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Improve the composite strength of high temperature cooking
Time: 2014-04-02 Source: Cutting Edge of Packaging Read: 10430 times
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Wenzhou Junchuan Machinery Equipment Co., Ltd.
Harbin Packaging-Zhao: How to improve the composite strength of high temperature cooking? Structure is PET / PA / RCPP.
Gao Yuantong Glue: It depends on the amount of glue. Is the peel strength insufficient after you come back?
Harbin Packaging-Zhao: Yeah, it will be separated after cooking.
Gao Yuantong glue: Is the separation layer inner or outer?
Harbin Packaging-Zhao: The inner layer and the separated layer are on the PA and RCPP layers.
Gao Yuantong Glue: Is your nylon damp? Moisture in nylon can cause poor strength or delamination.
Harbin Packaging-Zhao: Nylon is a bit absorbent.
Gao Yuantong glue: It is the reason for nylon. Will it wrinkle when compounded?
Harbin Packaging-Zhao: No.
Gao Yuantong glue: Generally, when the nylon is wet, it will not be so obvious when you handle it well. It will happen when the weather is bad, the air humidity is high, and the operation is improper. It is also related to gluing.
Harbin Packaging-Zhao: How big is better?
Gao Yuantong glue: PE is generally recommended as the inner layer recently. The amount of glue depends on the thickness of your substrate and whether there is a printing surface.
Xinhui Chemical: The sizing amount for cooking should be above 4g / m2, and the maturation time is 4 days.
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