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Interpretation of the three-tier co-extrusion blown film machine characteristics of the material

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Interpretation of the three-tier co-extrusion blown film machine characteristics of the material

Release date:2014-12-18 00:00 Source: Click:

Interpretation of the three-tier co-extrusion blown film machine characteristics of the material

About compound inside packing may be small, application of sealing apparatus can detect the package after the imitation through a series of experiments, such as shake experiment, drop test, compression test, etc.) of the sealing function.Three-tier co-extrusion blown film machineWhat are the characteristics of the material?


1) seal, the adhesive properties

Heat sealing bag making is the final a sequence of the entire composite packaging process.Blown film machine, heat sealing bag making requires excellent heat sealing fastness, can accept the pocket after processing and disposal without leakage.Compactness of the seal with the accurate choice of heat sealing materials, heat sealing pressure, heat sealing temperature and time and heat sealing method has a lot to do.

2) printing adaptability

Abrasion resistance, adhesion, such as printing precision several target first is according to the characteristics of the printing industry is put forward.

3) the machinability

Composite packaging materials tensile strength, elongation rate target about film supplier and use are the main, blown film machine tear strength experiment practice on primary measurement hyperplasia of tearing up the amount of energy needed, the primary measurement method have breeches and Mr Lai's door ripped method, optimization of constant radius sample to Mr Madoff pull door to break the law.Tear force is too large for film processors may be too small to manufacturing process can are in danger.For consumers, the tear resistance function of materials is related to packaging can easy open sealable a prime target.

In practice in the process of the packing of the friction is often drag force and resistance, friction coefficient of intrusive and therefore must be useful restraint, to make it within proper limits.Active packaging coil, general requirements inner compare with small friction coefficient, and the outer friction coefficient is moderate.Material thickness can average consensus about the various functions of the target material also has a major impact.


Three-tier co-extrusion blown film machine


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