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Gas assisted injection molding has the advantages of improving appearance, saving materials, shortening cycle time and reducing internal stress. Ho...

Liquidity The ability of plastic in molten state after being heated to fill the whole cavity under pressure is called fluidity, which is generally ...

At first, when the resin enters the compression section (L2) from the feeding section (L1), it is compressed and degassed due to the reduction of t...

ABS plastic occupies an important position in electronic industry, machinery industry, transportation, building materials, toy manufacturing and ot...

● ● Classification of flow pattern: 1) Snake flow pattern—When melt enters the mold cavity from the gate, it produces jet effect, which is like a s...

I. Definition of plastics Plastic is a polymer organic material with resin as its main component, which can be molded into a certain shape at a cer...

Skimming, also known as flash, flash, flash, etc., mostly occurs at the parting position of the mold, such as the parting surface of the mold, the ...

General product surface gloss defects can be divided into the following three types: mold failure, improper control of molding conditions and impro...

Underinjection, also known as short shot, insufficient filling, and unsatisfactory parts, is commonly known as under- injection , which refers to p...

Even when PC-based plastics encounter very low moisture, they will break bonds due to hydrolysis, decrease molecular weight and decrease physical s...

Injection mold is a part that endows plastic with shape and size during molding. Although the structure of the mold may be ever-changing due to the...

1. Dissolution method (1) acetic acid immersion The acetic acid (CH3COOH) used must be more than 95% acetic acid, and the repeated use times shall ...