Since it is not "non flammable," there are cases that the carbide part opens up some holes. Since it has special fireproof treatment, color reproducibility is difficult and there are cases where the top and bottom colors differ.
For work place handling fire like welding work.
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Until now we used thick cotton 100, but weak against rubbing Welcome to the place where wrinkles on the inside of the knees with a lot of holes by welding sputter could not bear burns like to use this product It became less burned after becoming it, and keeping trousers kept about 3 times is economical. The color is gray, so dirt is recommended without being conspicuous.