Plastic cosmetic tube basic knowledge
The tube is light in weight, easy to carry, durable, recyclable, easy to squeeze, and has good processing performance and good printing adaptability. It is favored by many cosmetics manufacturers and is widely used in facial cleansing products (washing lotion, etc.) and skin care products. (All kinds of eye creams, moisturizers, nutrient creams, creams, sunscreens, etc.) and cosmetics and hairdressing products (shampoos, conditioners, lipsticks, etc.) and other cosmetic packaging.
First, plastic cosmetic tubes used in cosmetic packaging and their characteristics
At present, the plastic tubes commonly used in cosmetic packaging mainly include aluminum-plastic composite tubes, all-plastic composite tubes and plastic co-extrusion tubes, which can meet various needs of cosmetic packaging, such as hygiene and barrier properties.
1. Aluminum-plastic composite tube
The aluminum-plastic composite tube is a kind of packaging container which is made of aluminum foil and plastic film by co-extrusion composite process and processed into a tubular shape by a special pipe making machine. The typical structure is PE/PE+EAA/AL/PE. +EAA/PE. The aluminum-plastic composite tube is mainly used for packaging cosmetics with high requirements on hygiene and barrier properties. The barrier layer is generally aluminum foil, and its barrier property depends on the pinhole of the aluminum foil. With the continuous improvement of technology, the thickness of the aluminum foil barrier layer in the aluminum-plastic composite tube has been reduced from the conventional 40 μm to 12 μm or even 9 μm, which greatly saves resources. The aluminum-plastic composite tube has the following advantages during use.
(1) High barrier property, aluminum foil has barrier properties such as light blocking resistance, oxygen barrier property and water blocking property. On the one hand, it can prevent foreign substances from intruding into the interior of cosmetics, prevent oxidative deterioration of cosmetics, and prevent moisture or flavor in cosmetics. The ingredients diffuse through the tube to the outside to ensure the quality of the cosmetics.
(2) Low cost. To achieve the same barrier properties, aluminum-plastic composite tubes use less material, lower cost, and better economics than all-plastic composite tubes and plastic co-extruded tubes.
2. All plastic composite tube
All plastic composite tubes are all plastic components, which are divided into two types: all-plastic non-blocking composite tubes and all-plastic barrier composite tubes. The all-plastic non-blocking composite tube is generally used for the packaging of low-speed fast-consumption cosmetics; the full-plastic barrier composite tube is usually used for middle and low-end cosmetic packaging due to the existence of seams in the tube, and the barrier layer may be EVOH, PVDC, oxide coating. Multilayer composite materials such as PET. The typical structure of the all-plastic barrier composite tube is PE/PE/EVOH/PE/PE.
The tube is light in weight, easy to carry, durable, recyclable, easy to squeeze, and has good processing performance and good printing adaptability. It is favored by many cosmetics manufacturers and is widely used in facial cleansing products (washing lotion, etc.) and skin care products. (All kinds of eye creams, moisturizers, nutrient creams, creams, sunscreens, etc.) and cosmetics and hairdressing products (shampoos, conditioners, lipsticks, etc.) and other cosmetic packaging.
First, plastic cosmetic tubes used in cosmetic packaging and their characteristics
At present, the plastic tubes commonly used in cosmetic packaging mainly include aluminum-plastic composite tubes, all-plastic composite tubes and plastic co-extrusion tubes, which can meet various needs of cosmetic packaging, such as hygiene and barrier properties.
1. Aluminum-plastic composite tube
The aluminum-plastic composite tube is a kind of packaging container which is made of aluminum foil and plastic film by co-extrusion composite process and processed into a tubular shape by a special pipe making machine. The typical structure is PE/PE+EAA/AL/PE. +EAA/PE. The aluminum-plastic composite tube is mainly used for packaging cosmetics with high requirements on hygiene and barrier properties. The barrier layer is generally aluminum foil, and its barrier property depends on the pinhole of the aluminum foil. With the continuous improvement of technology, the thickness of the aluminum foil barrier layer in the aluminum-plastic composite tube has been reduced from the conventional 40 μm to 12 μm or even 9 μm, which greatly saves resources. The aluminum-plastic composite tube has the following advantages during use.
(1) High barrier property, aluminum foil has barrier properties such as light blocking resistance, oxygen barrier property and water blocking property. On the one hand, it can prevent foreign substances from intruding into the interior of cosmetics, prevent oxidative deterioration of cosmetics, and prevent moisture or flavor in cosmetics. The ingredients diffuse through the tube to the outside to ensure the quality of the cosmetics.
(2) Low cost. To achieve the same barrier properties, aluminum-plastic composite tubes use less material, lower cost, and better economics than all-plastic composite tubes and plastic co-extruded tubes.
2. All plastic composite tube
All plastic composite tubes are all plastic components, which are divided into two types: all-plastic non-blocking composite tubes and all-plastic barrier composite tubes. The all-plastic non-blocking composite tube is generally used for the packaging of low-speed fast-consumption cosmetics; the full-plastic barrier composite tube is usually used for middle and low-end cosmetic packaging due to the existence of seams in the tube, and the barrier layer may be EVOH, PVDC, oxide coating. Multilayer composite materials such as PET. The typical structure of the all-plastic barrier composite tube is PE/PE/EVOH/PE/PE.
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