PET plastic belt will be crisp, what is the reason?
Plastic packing belt has become the main belt packing used in industrial packaging, widely used, users began to find that once mistakenly purchased on the market with inferior plastic parts will seriously affect the production of packaging, many users will encounter the problem of brittle plastic packing belt, so why plastic packing belt to be brittle and how to solve this kind of problem? The following 23 years by plastic packaging manufacturers, Guangzhou double Fai packaging for everyone to explain.
Plastic tape packing why brittle? Plastic packing belt is packaged with PET, it is a kind of water sensitive plastics, after long time heating and drying, the friction of single screw extruder for molecular degradation, disconnect the molecular chain, so the poor physical plastic packing belt, easy to brittle.
How to solve the plastic belt brittle? From the source of production! In the production of plastic steel belt, most of them will improve the brittleness of the packing belt by changing the drying temperature, processing temperature and time. The drying time can be shortened so that the chain extender is added in 4 - 6 hours to reduce the degradation and improve the viscosity of the plastic steel belt. Strictly check the quality before leaving the factory to ensure the quality of products and eliminate defective products into the market.
