亚洲精品国产精品发布会_无码中文字幕A级毛片_8x成年视频在线观看_亚洲AV无码日韩AⅤ无码忘忧草_王色a片可以看播放_午夜福利极品视频_美女被啪啪激烈爽到喷水_色婷五月综激情亚洲综合_真实国产老熟女粗口对白_最好看最新中文字幕2019

Products
JG251 type protective clothing acid and alkali resistance tester

Scope of application

Used to determine the liquid repellent efficiency of fabric protective clothing materials for acid and alkali chemicals

Standards compliant

Appendix D in GB 24540-2009 "Protective Clothing, Protective Clothing for Acid and Alkaline Chemicals"

technical parameter

1. Automatic injection system: microcomputer automatic injection system

2. Spray speed: continuous spray (10±0.2) mL of liquid within (10±0.2) s

3. Working test slot: inner diameter (125±1) mm, length (300±0.5) mm, tilt 45°

Material: Corrosion-resistant PTFE material (guaranteed to be corroded by 80% strong hydrochloric acid for more than 6 years)

4. Injector: capacity (10±0.2) mL, pinhole diameter (0.8±0.01) mm

5. The bottom of the flat tip is 100mm from the bottom of the groove