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lip gloss tube packaging guide
PVC packaging hose mold material selection and daily maintenance
by：Lisson
2020-11-20
PVC hose packaging mould, had better choose beryllium copper alloy, stainless steel manufacturing.
Mold cavity should not only after polishing, mirror finish, also want to have good exhaust performance.
To prevent corrosion of hydrogen chloride to mould, at ordinary times should pay attention to mold maintenance.
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