News
Home / News
The characteristics of nylon PA and the selection points of injection screw
The characteristics of nylon PA and the selection points of injection screw

The characteristics of PA are as follows: Crystalline plastics have many types and different types, their melting points are also different, and the melting point range is narrow, the viscosity is...

Aug. 07, 2021

View More
How to choose fillers or additives for flame-retardant PP of different flame-retardant systems?

Do you know what filler should be selected for flame-retardant PP with different flame-retardant systems? What are the effects of other additives such as pigments, black masterbatch, oils, etc. on...

07, 2021 Aug.

Causes and countermeasures of glue leakage

The general causes of glue leakage: (1) Improper adjustment of the equipment, the toggle of the clamping machine is too far behind, and the pressure of the cavity is too high when the glue is inject...

06, 2021 Aug.

How to choose resin for flame-retardant PP of different flame-retardant systems?

Flame-retardant polypropylene has a relatively large choice of resin, and it is conventionally divided into the following categories. But for different flame retardant systems, how should the resin ...

05, 2021 Aug.

How to perform glow wire test and tracking resistance test for power strip housing?

The insulating material components of the power strip should be able to withstand a certain degree of resistance to abnormal heat, flame resistance and tracking resistance. This article introduces t...

03, 2021 Aug.

Contact Us
  • Contact Person: Ms Joanne
  • Tel.: +86 763 312 5898 ext. 8105
  • Fax: +86 763 312 5901
  • E-mail: sales@polyrocks.com
  • Add: XiongXing Industrial Park, Qingyuan, Guangdong, 511540, P.R. China

Copyright © POLYROCKS CHEMICAL CO., LTD. All Rights Reserved | Sitemap | Powered by     粤ICP备10040394号

CONTACT US

QUICK ENQUIRE FORM

* Indicate Mandatory fields