What are the plastic tubes wholesale in the cosmetic industry?

What are the plastic tubes wholesale in the cosmetic industry?

1. Aluminum-plastic composite tube

Aluminum cosmetic tubes are a kind of packaging container made of aluminum foil and plastic film through a co-extrusion composite process and then processed into a tube shape by a special tube-making machine. Its typical structure is PE/PE+EAA/AL/PE+EAA /PE, aluminum-plastic composite tubes are mainly used for packaging cosmetics with high requirements on hygiene and barrier properties. The barrier layer is generally aluminum foil, and its barrier properties depend on the pinhole degree of the aluminum foil.

2. All-plastic composite tube

Cosmetic soft tubes are all plastic components, which are divided into all-plastic non-barrier composite tubes and all-plastic barrier composite tubes. All-plastic non-barrier composite tube is generally used for the packaging of low-grade fast-consuming cosmetics.

3. Plastic co-extrusion tube

Empty plastic squeeze tubes use co-extrusion technology to co-extrude raw materials of different properties and types and form them at one time. Plastic co-extrusion tubes are divided into single-layer extrusion tubes and multi-layer co-extrusion tubes. The former is mainly used for fast-consuming cosmetics (such as hand cream, etc.) Packaging, the latter is mainly used for high-end cosmetic packaging.

The main advantages of plastic co-extruded tubes are as follows.

(1) Since there is no side seal, the appearance is better than that of composite tubes, which is necessary for high-end cosmetic tube packaging.

(2) According to the different extrusion die, various shapes of extrusion tubes can be produced, such as oval, square, etc., to meet the needs of different consumers.

Disadvantage analysis of custom cosmetic tubes

The three plastic tubes for cosmetic packaging mentioned above have their own shortcomings.

(1) Aluminum-plastic composite tube has many disadvantages due to the use of aluminum foil, such as invisible contents, poor environmental protection, poor resilience, lower composite strength than the all-plastic composite tube, and easy delamination.

(2) The barrier property of the all-plastic composite hose mainly depends on the type and thickness of the barrier layer material. Taking EVOH as the barrier layer material for the all-plastic composite tube as an example, to achieve the same barrier property and stiffness, its cost It is about 20%-30% higher than that of the aluminum-plastic composite tube. For a long time in the future, this will become the main factor restricting the all-plastic composite tube to completely replace the aluminum-plastic composite tube.

(3) The production and processing technology of plastic co-extruded tubes is generally made first and then printed. For the printing process, the efficiency is low, the process is complex and difficult.

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