成人高清视频免费在线观看,中文字幕在线播放一区,中文字幕超清纯,亚洲影视久久,奇米狠狠色,微拍久久,91欧美一区二区三区综合在线

Welcome toChangzhou Tianrong Testing Technology Co., Ltd! Home |  Contact

fabric's flame retardant property tester (45°)

fabric's flame retardant property tester (45°)
fabric's flame retardant property tester (45°)
Detailed instructions:

Summarize

This instrument is used to test the damage length and the frequency of exposing textile to flame during the period from heating, smelting to the specified length at the temperature of 45°.

Applicable standards:GB/T14645

Technical parameter

image