免费大片a级毛片_国产不卡视频一区二区三区四区_免费人成网站在线免费观看_亚洲中文字幕永码永久在线

×

MB-7696 safety helmet ultraviolet aging test box

Video
Gallery
360°Show
×
×
×
Applicable scope
Test principles and standards
Instrument characteristics
Configuration list
The safety helmet ultraviolet aging box is designed according to the new national standard of safety helmet and used for the pretreatment of ultraviolet radiation before the helmet detection test. It is applied to the pretreatment of safety helmet impact absorption and puncture resistance.
GB/T2811-2007 <Safety helmet>
GB/T2812-2006 <Test method for safety helmet>
1. High quality cold rolling plate electronic control box, high quality stainless steel material experiment box.
2. High precision temperature control instrument.