Features :
- The mask is suitable for steel heat treatment, the boiler is sent-ash, electroplated polishing, grinding wheel grinding, etc.
- Damage caused by splashing of harmful substances such as acid, alkali, oil, chemical liquid, metal solution, iron filings or glass fragments.
- The box absorbs radioactive radiation caused by radiant heat generated by a-ray and low-energy b-rays to protect the entire face safely.
- Product interface size: external diameter of about 53mm, inner diameter of about 35mm, with a screw, can adjustable size of about 8mm.