SCHEELE air ambient vaporizer utilizes air natural convection to heat the cryogenic liquid (LNG, LO2, LN2, LAR, LCO2, LPG, etc.) in the heat exchange tubes, making them totally evaporate into gases, it is a kind of high efficient energy-saving heat transm
Para-aramid yarn is made of para-aramid staple fiber by spinning process. It has the characteristics of high temperature resistance, high strength and anti cutting.
If you think disposable masks are too expensive, then it is better to take a look at our civilian gauze masks.Gauze masks can be used repeatedly, it is not disposable,but it must be cleaned and disinfected before it can be used again.