Plastic Injection Molding Machine Parts Motor Fan Accessories PA PP Etc

Description:

Many materials can be injected, but here we recommend PA only.

Nylon (Nylon, Polyamide, PA for short) refers to a plastic composed of polyamide resins. This kind of resin can be obtained by polycondensation of diamine and dibasic acid, or by ring-opening polymerization of lactam formed after dehydration of amino acid. Unlike PS, PE, PP, etc., PA does not gradually increase with the increase of heating temperature. Softening, but softening in a narrow temperature range close to the melting point, the melting point is obvious, melting point: 215-225 ° C. Flow occurs as soon as the temperature is reached.

There are many varieties of PA, mainly PA6, PA66, PA610, PA11, PA12, PA1010, PA612, PA46, PA6T, PA9T, MXD-6 aromatic amides, etc. PA6, PA66, PA610, PA11, PA12 are the most commonly used.

What is the difference between PP material and nylon products?

PP is polypropylene:

Non-toxic, odorless, tasteless milky white high crystalline polymer, the density is only 0. 90-0. 91g/cm3, it is one of the lightest varieties of all plastics at present. It is particularly stable to water, in water The water absorption rate is only 0.01%, and the molecular weight is about 80,000 to 150,000. The formability is good, but the shrinkage rate is large (1% to 2.5%). Thick-walled products are easy to dent. For some parts with high dimensional accuracy, it is very difficult to meet the requirements; the surface gloss of the product is good.

Nylon is PA:

Nylon (Nylon, Polyamide, PA for short) refers to a plastic composed of polyamide resins. This kind of resin can be prepared by polycondensation of diamine and dibasic acid, or by ring-opening polymerization of lactam formed after dehydration of amino acid. Unlike PS, PE, PP, etc., PA will not soft gradually with the increase of heating temperature unless in a narrow temperature range close to the melting point. And its melting point is very obvious, such as nylon 6 melting point: 215-225 ° C. Flow occurs as soon as the temperature is reached.

Specifications:

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