Product Benifit: •Manufactured from Class I top quality ABS raw material. •Excellent impact resistance that will not fall off rapidly at lower temperature. •Large temperature range from -20°C to 80°C. •With great resistance against acids, alkali, concentrated hydrochloric, alcohols and oils, etc. •Largest front area for any industrial logos. •Electrical insulated and anti-static. •High wearing comfort and secure fit through ergonomically formed, height-adjustable suspension Storage: •Industrial safety helmets of ABS shell are recommended to be transported in their original packages. •Recommended to be stored in the dark placed at ambient temperature ranging form 0°C to 30°C. •Do not store ABS safety helmets at a high temperature or in the sunlight directly which may cause the distortion of the shell. •Not recommended to contact with glacial acetic acid, aromatic hydrocarbons, carbon tetrachloride, concentrated sulfuric nitric acids, esters, ketone, ethylene dichloride and acetone, etc. Cleaning: •Utilizing warm soapy water and soft cloth to clean safety helmets. •Not recommended to use solvent and abrasive to clean them.