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Product design and cosmetic tube design reinforce each other
Plastic cosmetic bottle melting body physic-chemical targets
by：Lisson
2020-06-18
On the bottle formula, first determine types can fit equipment shaping demand of plastic materials.
Such as plastic cosmetic bottles of melt index and physical and chemical target body, can be satisfied with the products.
At present, the main raw material of choice is high density polyethylene (
HDPE）
And polypropylene (
PP)
, this kind of crystalline plastics with excellent impact resistance, resistance to environmental stress, chemical resistance, and has the outstanding gas barrier property, resistance to wet and non-toxic.
Followed by selection of plastic additives such as sunscreen, colorants, plasticizer, etc.
Due to the influence of drug quality light scale biggest 290 -
450 nanometer light intensity.
Rules of the United States, Japan pharmacopoeia plastic bottle packaging drugs, bottles light transmittance is not beyond the size of more than 10%, such ability make sure drug from the light to shine and metamorphosis.
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