It is used for the ratio of the simulated concentration of other parts of the mask leaked into the mask and the simulated concentration outside the tested environment under the specified detection environment.

It is used for the ratio of the simulated concentration of other parts of the mask leaked into the mask and the simulated concentration outside the tested environment under the specified detection environment.

It is used to change the color fastness of textiles, printing and dyeing, printing and other products after specific track rubbing.

Provide a standard light source environment during visual inspection of respiratory protective equipment such as masks.

This device is designed and manufactured in accordance with the standards GA124 and GB2890. It is used to test the dead space test of the positive pressure fire air respirator. The test principle is determined by measur...

This machine is suitable for the pretreatment test of mechanical strength of the respirator, and is used for the inspection of KP and KN anti-particle respirators and related products by national labor protection equipm...

The particle protection efficiency tester is used to test the protection effect of daily protective masks on particles.

This instrument is used to determine the impermeability of fabrics under low impact conditions.