Basic knowledge of cosmetic plastic bottles

Basic knowledge of cosmetic plastic bottles
First, on the plastic bottle Mainly made of polyethylene or polypropylene and other materials and added a variety of organic solvents. Plastic bottles are widely used with polyester (PET), polyethylene (PE) and polypropylene (PP) as raw materials. After the corresponding organic solvents are added, after high-temperature heating, they are blown, extruded, or injection molded through plastic molds. Plastic container. Mainly used for beverages, food, cosmetics and other liquid or solid disposable plastic packaging containers. Plastic bottles have features such as non-breakable, low cost, high transparency, and food-grade raw materials. The
Second, the main material of cosmetics plastic bottles Material is usually PP, PE, K material, AS, ABS, acrylic, PET and so on. PET material is an environmentally friendly material, with high barrier properties, light weight, non-shattering properties, chemical resistance, strong transparency, can be made of pearlescent, colored, magnetic white, transparent, widely used in the installation of gel water. Bottle neck is generally the standard 16 #, 18 #, 22 #, 24 # diameter, can be used with the pump head. AS, ABS: AS transparency is better than ABS, and toughness is better. Acrylic materials are injection molded bottles, which have poor chemical resistance. Generally, they cannot be filled with paste directly. They need to be filled with an inner baffle to prevent overfilling and prevent paste from entering between the liner and the acrylic bottle. Cracking, high packaging requirements during transportation, as a result of scratches look particularly obvious, high permeability, sensory upper wall thickness, but the price is quite expensive. The
Third, cosmetic plastic bottles category and process
1. It is usually used for injection molding of cream jars, Skin Care Bottles, stoppers, gaskets, pump heads and dust covers with thicker walls of cosmetic containers; PET blow-molding for two-step molding, tube blanks for injection molding, and finished product packaging. To blow the bottle. Others, such as thinner container walls, washing bottles for blowing. The
2, mold development costs: blowing mold for 1500 yuan -4000 yuan, injection mold for the 8000 - 20000 yuan range, the mold with stainless steel material is more expensive than the alloy material, but durable, the mold once out a few, see The demand for production volume, such as the production volume, can choose one or four out of six molds, customers can decide. The
3, the order volume is generally 3,000 - 10,000, can be customized colors, usually do primary color scrub and magnetic white-based, or add pearl powder effect, bottle and lid although the same color master, but sometimes due to the bottle and cover The material used is different and there are some differences in the colors. Silk screen printing with common ink and UV ink, UV ink is better, shiny and three-dimensional, in the production of the first version to confirm the color, the screen printing effect in different materials will be different. 4, hot stamping, hot silver and other processing technology and printed gold powder, silver powder effect is different, hard material and smooth surface is more suitable for hot stamping, hot silver, soft surface hot stamping effect is not good, easy to fall off, hot gold and silver shiny Degree is better than Indian gold and silver. The silkscreen film must be printed in shades, with a graphic effect of dusk, a background color of transparency, bronzing, hot silvering to produce a positive film, a graphic effect of transparency, and a background color of dusk. The proportion of text and patterns should not be too small or too fine, otherwise no effect can be printed. The
5, the cap is generally equipped with internal gaskets, pull cover, plug, very few with a spoon or dropper, which is mainly to consider its sealing and ease of use.

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