Shanghai Sunland Industrial Co., Ltd is the top manufacturer of Personal Protect Equipment in China, with 20 years’experience. We are the Chinese government appointed manufacturer for government power,personal protection equipment , medical instruments,construction industry, etc. All the products get the CE, ANSI and related Industry Certificates. All our safety helmets use the top-quality raw material without any recycling material.
Is motorcycle safety helmet compulsory certification
We provide exclusive customization of the products logo, using advanced printing technology and technology, not suitable for fading, solid and firm, scratch-proof and anti-smashing, and suitable for various scenes such as construction, mining, warehouse, inspection, etc. Our goal is to satisfy your needs. Demand, do your best.
Professional team work and production line which can make nice quality in short time.
The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems
23/2/2015, · ,Hard hats, give protection against blows through a combination of four factors: (a) when an object strikes the ,hat,, the material itself resists the ,impact,; (b) because of the ,hat,’s shape, the force of the blow is distributed over its entire area; (c) the suspension acts as a shock absorber; and (d) the ,hat, is able to deform (dent) and displace, or “roll with the punch,” further softening ...
Hard hats, must have a ,hard, outer shell and a shock-absorbing lining that incorporates a headband and straps that suspend the shell from 1 to 11/4 inches (2.54 cm to 3.18 cm) away from the head. This type of design provides shock absorption during an ,impact, and ventilation during normal wear.
Types ,of hard hats, and levels of head protection. ,Hard hats, are designed to help reduce the force of the ,impact, on the head by dispersing the pressure of a hit over a larger area of the skull. However, not all ,hard hats, are the same. The Canadian Standards Association (CSA) defines two distinct types: Type 1 – protection from ,impact, and ...
4/3/2009, · ,Hard hats, undergo strict testing according to ANSI criteria before being deemed able to provide adequate head protection. The way this works is a sample ,of hard hats, from a batch or production shift are set aside for testing. They are tested in several areas including ,impact, energy attenuation, apex penetration, and electrical insulation.
28/5/2019, · ,Hard hats, are mandatory on construction sites or anywhere where there is the danger of falling objects or moving items. Even the smallest bolt or screwdriver can gain enough momentum to become a fatal projectile when falling from height.
The "Duty of Care" ,principle, means companies need to plan for the prevention of accidents at worksites. Under this standard, an employer must initially evaluate the activities of its employees and the surrounding activities on the job site and determine whether these hazards require the need for a ,hard hat, …
Each ,hard hat, also belongs to a class, which refers to the ,hat,’s ability ,to withstand, electric shocks.There are three classes ,of hard hat,: Class C, Class G and Class E. Class C is conductive, meaning the ,hard hat, will not protect the wearer from electrical hazards.Class G, which stands for “General,” means the helmet can ,withstand, an electrical current up to 2,200 volts.
15/2/2003, · The striking speed of the washer neglecting air friction is 45.39 ft/sec.(=sqr(2*32.2 ft per sec^2* 32ft). The ,impact, force of 560 lbs is an average value taking place during a very small amount of time interval between the initial velocity at contact and the final velocity when the washer is totally stopped by the ,hard hat,.
Ensure ,hard hats, meet ANSI standard requirements and that employees are wearing the proper type for their job task. The three industrial classes ,of hard hats,, according to OSHA, are: Class G - General Helmet: These ,hard hats, provide protection against ,impact, and object penetration. Their voltage protection is limited to 2,200 volts. Class E ...