Featured Posts

October 18, 2019

PVC pipes extrusion, something you have to know!

Extrusion process parameters include temperature, pressure, extrusion speed rate, and traction speed.
 

1.Temperature
Temperature is one of the important conditions for the smooth progress of extrusion molding. Starting fr...

October 14, 2019

The voids, yellowish, precipitation, and color change of PVC pipes are related to several indexs of calcium carbonate.

Let’s take a look at the product picture, what a scary!

Discoloration

...

October 14, 2019

PE wax - a tool to solve the problem of insufficient pvc stability
 

Due to the poor thermal stability of PVC, it is necessary to add corresponding stabilizers to repair the defects of PVC chains and timely absorb the HCL produced by PVC dechlorination. At the same time...

October 11, 2019

PVC foamed profiles - unbalanced characterization between various additives
 

1, stabilizer
      Polyvinyl chloride (PVC) has good acid and alkali resistance, wear resistance, electrical insulation, flame retardant self-extinguishing and low price. It is a widely used...

October 10, 2019

Expert summary: setting and optimization of PVC extrusion process temperature
 

This article is divided into the following eight points:
introduction
Process temperature optimized benchmark
Process temperature setting
Optimization mechanism of process temperature
Overlo...

October 10, 2019

Analysis of the Causes of the Ray Line in the Gate Area of ​​Injection Molding Products
In the point gate design in the vertical part direction, a radiation system consisting of different color depths and glosses, called the ray line, is formed on the surface of the pa...

October 10, 2019

Solutions for bubble problem in the Injection Process
According to the cause of the bubble, the solution to the problem is as follows:
(1) When the wall thickness of the product is large, the outer surface is cooled faster than the center portion. Therefore, as the coo...

October 8, 2019

Process guidelines for injection molding pvc foam shoe material 

1. Mixing ratio of plastic and foaming:
The proportion of the blowing agent to be added is generally from 0.3% to 0.5% (depending on the degree of foaming required for injection molding or the surface...

October 8, 2019

Causes and treatment of black spots in injection molding products
What is the black spot in the injection molding machine? The black spots on the injection molding machine will degrade the overall quality of the product, so it is very important to find the black spot o...

September 30, 2019

Factors affecting the output of plastic (PVC) extrusion
 

1 The effect of mechanics—the amount of extrusion increases linearly as the head pressure increases.

1). For an extruder with a deep groove and a short screw, the extrusion pressure drops sharply with an increase...

Please reload

The role of the three functional zones of the PVC extruder

March 18, 2019

1/2
Please reload

Recent Posts
Please reload

Please reload

Search By Tags