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May 28, 2019

Analysis of weather resistance of PVC profiles and pipes

Resin: PVC resin has a number of double bonds and unstable structure, which is easy to break under the damage of light and oxygen, which causes discoloration of the product. The unstable structure of different res...

May 23, 2019

The type and performance of the outsole

1, leather sole:
The leather sole is a sole that can breathe automatically and breathe the foot. It has good air permeability and no loose feet. It can automatically release the absorbed sweat to keep the feet dry. The leather sol...

May 20, 2019

How to improve the hardness of modified plastics?

Hardness refers to the ability of a material to resist the pressing of other hard objects into its surface. The hardness value is a conditional quantitative reflection of the hardness of the material. It is not a simple...

May 16, 2019

Flame retardant plasticizer---chlorinated paraffin-70
 

In China's plasticizer industry, chlorinated paraffin is the second largest plasticizer after DOP. At present, chlorine-based flame retardant plasticizers are developing toward non-polluting, high-purity, high-heat...

May 10, 2019

All the plastic properties 

Specific gravity (density)

The specific gravity of the plastic is the ratio of the weight of the sample to the weight of the same volume of water at a certain temperature, the unit is g/cm3, and the liquid buoyancy method is commonly used for...

May 10, 2019

Common plastic properties
 

ABS plastic (acrylonitrile butadiene styrene)
Specific gravity: 1.05 g / cm 3
Molding shrinkage: 0.4-0.7%
Molding temperature: 200-240 ° C
Drying conditions: 80-90 ° C for 2 hours

Material properties:
1. Good comprehensive performance, high im...

May 7, 2019

PVC common problem causes
       In philosophy, it is especially important to grasp the main contradictions and see the essence of things. There are various problems in plastic processing. Only by thoroughly understanding the causes of the problems will we be able to a...

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The role of the three functional zones of the PVC extruder

March 18, 2019

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