How to identify the life of the safety helmet and seat belt?
In accordance with the 1.1 requirements for safety helmet due, by the security management departments should carry out unit testing, qualified rear can continue to use, after the annual sampling time, if unqualified, the number of discarded safety helmet.
Each safety helmet shall have four permanent marks: manufacturer name, trademark and model; manufacturing year and month; production certificate and inspection certificate; production license number. The sign of the safety helmet is special. How to identify the date of production of the helmet is explained as follows.
The validity period of the safety helmet is different according to the materials used in the manufacture, and the validity period is different. The validity period is calculated from the date of completion of the manufacture. ?Woven sticks of plant sticks, no more than two years. Plastic cap, plastic cap paper not more than two and a half years. Glass steel (vinylon steel) rubber cap is more than three and a half years. 1.2 safety helmet storageHelmets should not be stored in acid, alkali, high temperature, sun, damp and other places, but not with hard objects together
