Cosmetic packaging materials knowledge of plastic bottles

Plastic bottles are mainly made of polyethylene or polypropylene and other materials and added a variety of organic solvents. Plastic bottles are widely used polyester (PET), polyethylene (PE), polypropylene (PP) as raw materials, with the addition of the appropriate organic solvents, after high temperature heating, through the plastic mold through the plastic containers after blow molding, extrusion blowing, or injection molding.

 

Broad plastic bottles are mainly used for liquid or solid disposable plastic packaging containers for beverages, food, sauces, cosmetics, agricultural and veterinary drugs. Plastic bottles are characterized by unbreakable, low cost, high transparency, food-grade raw materials and so on.

Cosmetic packaging materials of plastic bottle introduction

1, cosmetics plastic bottle material is usually PP, PE, K material, AS, ABS, acrylic, PET and so on.

2, usually used for cosmetic containers with thicker wall cream bottles, caps, stoppers, gaskets, pumps, dust cover for injection molding; PET blow molding for two-step molding, tube embryo injection molding, finished packaging for blowing bottles. Other containers, such as thin-walled lotion bottles, washing bottles for blowing bottles.

3, PET material is an environmentally friendly material, with high barrier properties, lightweight, non-crushing properties, chemical resistance, transparency is very strong, can be made into pearl, colored, magnetic white, transparent, widely used in the installation of gel water. Bottle mouth is generally standard 16 #, 18 #, 22 #, 24 # caliber, can be used with a pump head.

4, acrylic material for injection molded bottles, chemical resistance is poor, generally can not be directly loaded with cream, need to match the liner barrier, filling is not easy to be too full, to prevent the cream into the liner and acrylic bottles, so as to avoid cracking, the transportation of the packaging requirements of the higher, due to the scratches look particularly obvious after the translucent, perceptual wall of the extra-thick, but the price is quite expensive.

5, AS, ABS: AS transparency is better than ABS, and better toughness.

6, mold development costs: blow molds for 1500 yuan -4000 yuan, injection molds for 8000 yuan -20000 yuan ranging, molds with stainless steel material is more expensive than with alloy materials, but durable, molds once out of a few, depending on the demand of the production volume, such as production volume is large, you can choose one out of four or one out of six molds. Customers can decide by themselves.

7, the order quantity is generally 3,000-10,000, can customize the color, usually do the original color frosted and magnetic white-based, or add pearlescent powder effect, although the bottle and cover with the same color masterbatch, but sometimes due to the bottle and cover with the material is not the same, the performance of the color is a little different.

8, screen printing with ordinary ink and UV ink, UV ink effect is better, gloss and three-dimensional sense, in the production should be the first plate to confirm the color, in different materials, the effect of screen printing will be different.

9, hot stamping, hot stamping silver and other processing technology and printing gold powder, silver powder effect is different, hard material and smooth surface is more suitable for hot stamping, hot stamping silver, soft surface hot stamping effect is not good, easy to fall off, hot stamping gold and silver gloss is better than printing gold and silver.

10, the cap is generally equipped with an internal gasket, pull the cap, plug, very few with a small spoon or dropper, which is mainly to consider its sealing and ease of use.

11, the production cycle is more moderate, about 15 days cycle, screen printing cylindrical bottles for single-color calculation, flat or shaped bottles according to the two-color or multi-color calculation, usually charge the first screen printing screen fee or fixture fee, screen printing unit price is generally 0.1 yuan / color times to 0.15 yuan / color times, screen 100 yuan -200 yuan / models, fixture of about 50 yuan / one.