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.
nfl helmet safety ratings
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
Purpose of the ,Helmet Color, Code. Apart from ,safety,, there are other reasons too. If ,safety, is the only thing, then all of us can wear the same ,color, of a hard hat while working. The reasons for different ,color, codes are, To identify a person and his responsibility
Avantor ® is a leading global provider of mission-critical products and services to customers in the life sciences and advanced technologies & applied materials industries. The company operates in more than 30 countries and delivers an extensive portfolio of products and services. As our channel brand, VWR offers an integrated, seamless purchasing experience that is optimized for the way our ...
Blue colour ,safety helmet, – Electricians and carpenters generally prefer this colour code ,helmet,. Interim workers and technical advisors can wear blue ,helmets,. ,Red, colour ,safety helmet, – It is used by firefighters or other employees with emergency training. Grey colour ,safety helmet, – It is most often issued to visitors on the worksite.
NFPA Standard 1983 specifies limits for elongation on life ,safety, rope between 1% and 10% at a ,load, equal to 10% of the rope’s MBS. Elongation describes how much a rope will stretch when it is loaded, either by being pulled slowly or when suddenly loaded with an impact force.
The three methods are: the stress-life method, the strain-life method, the linear-elastic fracture mechanics method. The fatigue life is usually classified according to the number of loading cycles into: Low ,cycle, fatigue (1≤N≤1000) and for this low number of cycles, designers sometimes ignore fatigue effects and just use ,static, failure analysis. High ,cycle, fatigue (N>103 ): Finite life ...
includes ,static, and dynamic analysis using elastic theory, provids thread joint performance indicators in the form of ,static load, capacity and fatigue ,safety, factor for virious life ,cycle, ranges. The analysis method and subse-D quent program is a.- useful for develonine thread joint design criteria and
My old HJC 1/2 ,helmet, had only 1 strap attachment to the ,helmet,. The ,helmet, construction is a bit lighter than my HJC but that makes it more comfortable for me on longer rides. Its not one of those thin Non-DOT approved type ,helmets, you see riders using these days. Over all I'm happy with my purchase and would recommend this to other riders.