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July 28, 2017

The main feature of PVC profiles for blanking collapse, cold blunt rupture. The industry believes that the factors causing the poor performance of material products are the following:

一, mixing process and formula unreasonable

1, filling too much, because the current mar...

July 27, 2017

A variety of methods can be used to produce multi component composite products, and the co-extrusion process is the most simple and convenient method. It has become one of the most advanced plastic forming processing methods. High polymer co-extrusion process is a proc...

July 24, 2017

Injection molding, sometimes appear a few days to change the color, or even within a day there are several color deviation of the situation. There are a number of factors that contribute to the color instability, and the following lists some of the major factors that c...

July 21, 2017

Widely used in the construction industry PVC pipe, PVC tape, PVC toys, PVC wire, PVC plug, PVC injection, PVC container accessories, food and drug packaging color confusion PVC plastic bottles, supermarket PVC bags, a superb collection of beautiful things of the day, h...

July 20, 2017

PVC heat shrinkable film has the potential for development in culture and education, electrical appliances, medicine, food and other fields. Besides being used directly for packaging, it can be used for printing after corona treatment. In recent years, domestic PVC hea...

July 19, 2017

Normally, the injection process refers to the plasticizing stage and the injection molding stage.Whether the injection is appropriate, affecting the appearance of the final product, performance and so on.. Here will be some attention points of the two stages of the pla...

July 18, 2017

1.hard PVC plastic profile is generally without or with small amount of plasticizer, which will inevitably lead to poor fluidity of pvc. In the process of forming, plastic is required to be in a viscous flow state. In order to make the plastic flow to a certain extent,...

July 17, 2017

PVC calendering transparent sheet is one of the main varieties of hard PVC. It is usually produced by conical twin-screw extruder. The problems encountered in the process of production are: bubbles,crystal spots, yellow color of sheet material and so on. I according to...

July 15, 2017

Plastic PVC granules  are one of the most widely used plastic materials.PVC material is a kind of non-crystalline material.Due to some shortcomings of its own performance, it is often used in practical use to include stabilizers, lubricants, auxiliary processing agents...

July 14, 2017

PVC plastic parts are cracks, mainly due to the plastic stress is too large or the stress concentration caused by the specific analysis is as follows.

1) Injection mold

①If the position of the top rod is incorrect or improperly installed, the ejection resistance increase...

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The role of the three functional zones of the PVC extruder

March 18, 2019

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