First, glass Glass bottles are mainly used in co […]
Glass bottles are mainly used in cosmetics: skin care products (creams, lotions), perfumes, essential oils, and nail polishes have a small capacity, and more than 200ml capacity is rarely used in cosmetics. The glass bottle is divided into a wide-mouth bottle and a narrow-mouth bottle. The solid paste is generally a wide-mouth bottle. It should be distributed with an aluminum cover or a plastic cover. The bottle cover can be used for color injection and the like; emulsion or water-based paste The body generally uses a narrow-mouth bottle, which should be equipped with a pump head. If the cover is equipped with a inner plug, the water agent is equipped with a small hole and a inner plug, and the thicker emulsion is equipped with a large-pore inner plug.
1. Cream bottle series: glass bottle body + double plastic cover (general capacity is 10g-50g).
2, essence series: glass bottle + plastic pump head or anodized aluminum pump head (capacity is relatively high in the 20 to 100ml).
3, toner series: glass bottle + plastic inner plug + outer cover (100ml or more, can also be equipped with a pump head).
4, essential oil bottle series: glass bottle body + inner plug + big head cover or glue dripper + dropper + anodized aluminum cover.
Second, the hose/tube
The hose/tube is divided into single-layer, double-layer and five-layer hoses, which are different in pressure prevention, impermeability and hand feeling, such as the outer layer, the inner layer, the two adhesive layers, and the barrier layer. . Features: It has excellent gas barrier properties, can effectively prevent the infiltration of oxygen and odor gas, and prevent the scent of the contents and the leakage of active ingredients.
Hose + cover / tube is often made of PE plastic. Divided into single-layer tubes (multiple use, lower cost) and double-layer tubes (good sealing performance) according to product thickness. According to the shape of the product, it is divided into round hoses (multiple use, lower cost), and flat hoses are also called special-shaped tubes (to be secondary joints, the cost is higher). The outer cover of the hose has a screw cap (single layer and double layer, the double cover is mostly electroplated cover to increase the product grade, looks more beautiful, the professional line uses screw cap) and the cover.
Third, plastic bottles
Plastic bottles are usually made of PP, PE, K, AS, ABS, acrylic, PET, etc. It is usually used for injection molding of thick cream bottles, caps, stoppers, gaskets, pump heads and dust covers for cosmetic containers; PET blowing is a two-step molding, tube blank is injection molding, and finished packaging is blowing. bottle. Other emulsion bottles such as thinner containers and washing bottles are blown bottles.
The above content, you only need to have a preliminary understanding, cosmetic OEM manufacturers have professional staff to explain to you. It is important to remember the differences between the following common materials.
PET-PET has high transparency, and the bottle has softness and can be pinched but harder than PP.
PP-PP bottles are softer than PET, easier to pinch, and have a lower transparency than PET, so some opaque shampoo bottles are more common (convenient to squeeze).
PE—The bottle is basically opaque and not as smooth as PET.
Acrylics - thick and hard, most like glass is acrylic.