Electric Car Helmet Hard Hat Mould

 Motorcycle helmets are divided into four types according to the purpose. The protection scope of the 1/2 helmet does not include the ears; the protection scope of the helmet of the 3/4 helmet is extended to the ears of the 1/2 helmet; the ratio of the open helmet is 3 / The sides of the 4 helmets extend downward, and these three helmets are collectively called half helmets. The protection scope of the full-face helmet includes the eyes, face and jaw, and the shell and the jaw guard are an integral structure.
In order to verify the important role of helmets in protecting heads in motorcycle traffic accidents, in 2001, the Japan Traffic Accident Analysis Center conducted a statistical analysis of 280 motorcycle traffic accidents in Ibaraki Prefecture, Japan.

At the time of the accident, more than half of the helmets fell off due to failure to properly fasten the buckle according to the regulations, which prevented the helmet from functioning properly. There were 6 cases where the buckle was correctly buckled but the helmet also fell off, including 1/2 There are 5 helmets.

Head injuries without helmets accounted for 67.4%, 2.19 times higher than those with helmets. It can be seen that the effect of wearing helmets is obvious. In the event of an accident, the rate of head injury caused by the helmet falling off is about 1.98 times higher than that of the helmet not falling off, and the death rate is about 4.35 times higher. Therefore, it is important to fasten the buckle correctly and prevent the helmet from falling off in the event of an accident.

      Plastic helmet materials are generally divided into four types: composite materials, plastic raw materials, abs, glass steel, and carbon fiber. The most common life is abs engineering plastics. ABS engineering plastics, namely PC + ABS (engineering plastic alloy), are also a kind of plastic raw materials. The Chinese name in the industry is called plastic alloy, and it is named PC + ABS, mainly because this composite material has excellent heat resistance and weather resistance of PC resin, excellent stability, difficult to deform and impact resistance, Contains excellent processing fluidity of ABS resin and strong plasticity. Therefore, such as plastic helmets, which have high plasticity requirements and need to ensure strong stability and safety, this plastic alloy is the best choice.

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