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Types of common hot melt adhesives

2021-12-27 15:24:11
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The commonly used hot melt adhesives mainly include PA/PES/TPU/EVA/LDPE/HDPE, etc.

1、 PA hot melt adhesive

PA hot melt adhesive is divided into high temperature and low temperature. Imported adhesive is widely used in the field of clothing and footwear materials, and has very strong dry cleaning resistance.

2、 PES hot melt adhesive

PES hot melt adhesive is widely used in the clothing field, and its very strong washable type is popular with customers. At the same time, when it is compounded with polyester fabric, its adhesion is very stable.

3、 EVA hot melt adhesive

EVA hot-melt adhesive has poor washing resistance and is an imported adhesive. It is widely used in automotive interior decoration and other fields. It is characterized by low temperature bonding and saves enterprise operating costs.

4、 LDPE hot melt adhesive

LDPE hot melt adhesive is similar to EVA in washability. Imported hot melt adhesive is mainly used in the field of automobile interior decoration. It can be bonded at low temperature. Its powder particles belong to coarse powder, so it is not easy to use powder point process. It is widely used in powder coating process.

5、 HDPE hot melt adhesive

HDPE hot-melt adhesive is a kind of high-temperature hot-melt adhesive. It is imported adhesive. It has very strong high temperature resistance and high temperature water absorption performance. It is widely used in collar lining adhesive with strong adhesion, but its melting point is high and requires high operating temperature, which makes it less used in other fields.

6、 TPU hot melt adhesive

When TPU hot melt adhesive is compounded with PU/TPU material, its viscosity is very strong. It is widely used in the field of footwear materials. There are many kinds of TPU hot melt adhesive. The melting point, melt index and viscosity of various TPUs are different. The following two kinds of commonly used TPUs are introduced. They are divided into imported TPUs and domestic TPUs. They have good performance in washing and high temperature resistance, and their viscosity is stable. The difference is in stability. Imported TPUs have high purity, and their values remain stable after many experiments, Stable performance, but its high cost makes it only a hot melt adhesive for materials.

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