Is the steel head of safety shoes graded? How much do they usually bear?
The grades are An1, An2, An3, An4, An5, toe static pressure are 15KN, 10KN, 4.4KN, 3.0KN, 1.5KN, toe internal clearance is greater than or equal to 15mm. Safety shoes, An2 grade An1, An3, 23Kg, 450mm and 900mm respectively from the impact hammer, 225mm free fall, toe internal clearance is greater than or equal to 15mm. Safety shoes in grade An4, An5, 5Kg and 450mm respectively to hammer 225mm high drop toe internal clearance is greater than or equal to 15mm.
An1 is suitable for operation in metallurgy, mining, forestry, ports, shipping, handling, quarrying, heavy industry and so on; An2 applied in machinery, construction, petrochemical and other workplaces; An3 applied in electronics, food, pharmaceutical and other industries; An4 ~ An5 is suitable for the textile industry and bench work, with labor protection shoes to free toe injury (Lao Baoxie), is the labor protection supplies.
