What are the quality requirements of plastic safety helmet

The safety helmet shall have the manufacturer’s safety production license, product certificate and safety appraisal certificate, otherwise it is not allowed to purchase, issue and use. The safety helmet should be inspected and tested once a year, and meet the national quality standards:

(1) the appearance is complete and smooth

(2) the inner buffer belt and cap belt are intact< (3) it can resist high temperature from 40 ℃ to 120 ℃ without deformation< (4) good resistance to water, oil and chemical corrosion< (5) it can resist the impact force of 3kg steel ball falling vertically from 5m this article is a reprint of 1nternet media, which only represents the author’s point of view and has nothing to do with this website. 1f the information column articles and comments violate your legal rights, please call to let us know and we will deal with them in time

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