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plastic cosmetic tube manufacturing process
Cosmetic product comes with plastic cosmetic tube as a daily necessity. Welcome to fIind how plastic cosmetic tube manufacturing process is from this article.
Plastic bottles in the inspection of the requirements
by：Lisson
2020-10-26
Now there are many different kinds of the pedal bin, used to make plastic bottles of the material is also very much.
So, in order to ensure safety, it is need to strictly when acceptance, the plastic bottles in the inspection from time to tome what requirements?
A double barrel, single film classification ash-bin when acceptance to achieve: appearance may not have to use the hindrance of bubbles, perforation, water lines, critical reinforcement, plasticizing, fisheye frozen block to prevent disease.
Specifications, width, length and thickness deviation are due within a prescribed scope.
Physical and mechanical properties including tensile strength, elongation at break, is it reflect product in use process along with the ability to stretch, if this is unqualified, in use process cosmetics bottles prone to rupture, damage phenomenon.
Second, the composite film of plastic packaging bottles at the time of acceptance to achieve: appearance should level off, without cut, burn, bubbles, and oil, and wrinkle, heat sealing level off, without a virtual closure.
Film can not have crack, pore and composite layer separation.
Without impurities, foreign bodies, and oil and pollution.
Moreover bottled soaking liquid, can not have odor, odour, turbidity and decoloring phenomenon.
Plastic bottles for packaging requirement is very strict, must be nontoxic and harmless, conform to the state laws and regulations, and conform to the relevant compulsory standards, but the packing must be a clear identity: trademarks, licensing, producing area, the site of factory, an enterprise name, date of production, the main components of the product, etc.
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