国产精品一区二区三区啊啊啊-久久国产精品中文伦理字幕-日韩欧美国产一区二区视频在线-伦理合集久久国产精品中文字幕-国产不卡av电影在线免费观看-精品国产一区二区三区中文-国产天堂一区二区三区四区-日韩人妻一区二区三区∧v-精品日韩一区二区三区av动图-老司机久久99久久精品播放

The 2024 Shanghai International Plastic and Rubber Industry Exhibition will be held from April 23rd to 26th at the Shanghai National Convention and Exhibition Center (Hongqiao), and is the preferred platform for the rubber and plastic industry to release trends, technologies, and innovative solutions.

On Thursday, July 25, 2024, a learning activity was held at the R&D center of Jinan Backfire New Materials Co., Ltd., focusing on the "UL94 combustion level".

May 28, 2024 Source: This website
Jinan Backfire New Materials Co., Ltd. invites friends from all walks of life to visit the exhibition

Jinan Backfire New Materials Co., Ltd. invites friends from all walks of life to visit the exhibition
Booth Number: Hall 6.2 (Booth Number 6.2T13)

Halogen flame retardants include single halogen flame retardants and halogen/antimony synergistic flame retardant systems.
Halogen flame retardants mainly exert their effects in the gas phase.

· The flame retardancy of paper is mainly used for building decoration paper, cardboard, fireproof lining cardboard
· Theoretical ways to flame retardant paper: cooling, reducing free radical concentration, and cutting off oxygen sources