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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.

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Solutions to meet different needs

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.

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Professional team work and production line which can make nice quality in short time.

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We abide by the privacy policy and human rights, follow the business order, do our utmost to provide you with a fair and secure trading environment, and look forward to your customers coming to cooperate with us, openly mind and trade with customers, promote common development, and work together for a win-win situation.

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youth softball gloves
Helmet Safety Ratings 101 - RevZilla
Helmet Safety Ratings 101 - RevZilla

The ,headform, records ,the impact, energy, and those numbers are used to determine how well the ,helmet, can manage ,the impact, (and protect the head inside). While this process is similar for each of the ,helmet testing, bodies, there are distinct differences.

Current Standards for Sports and Automotive Helmets: A Review
Current Standards for Sports and Automotive Helmets: A Review

unrestrained motion of the ,headform, around any axis after ,the impact,. 1.3. ,Test, Methods The primary function of sports ,helmets, and therefore the main consideration of sports ,helmets, standard tests is the evaluation of ,impact, protection. In general, these standard tests must consider the helmeted ,headform,, ,the impact, surface

Traffic Safety Facts
Traffic Safety Facts

the ,helmet, during specific impacts. Novelty ,helmets, were shown to ,transfer, significantly higher accelerations (636g to 992g) ,to the headform, during these ,testing, impacts since they have very little or no energy-attenuating liner. Thus, in a motorcycle crash, the energy Summary of Novelty ,Helmet, Performance ,Testing, 1 www-nrd.nhtsa.dot.gov/pubs ...

Helmets: Testing Procedures & Standards - Team-BHP
Helmets: Testing Procedures & Standards - Team-BHP

29/1/2014, · ,The impact test, measures acceleration of a ,headform, inside the ,helmet, when it is dropped from a fixed height onto a spherical and flat surfaced anvil. The standard allows peak acceleration energy of 400G (G being “gravity constant” or an acceleration value of ft. per second x seconds).

How Do Climbing Helmets Protect Your Head? - Climbing Magazine
How Do Climbing Helmets Protect Your Head? - Climbing Magazine

A 5 kg (11 lbs) mass is dropped on the top of the ,helmet, from a height of 2 m (6.5 ft) as well as on the upper sides of the ,helmet, from 50 cm (19.6 in). To pass the ,test,, the ,helmet, must not transmit a force greater than 10 kilonewtons (kN) ,to the headform, to meet the EN standard or 8 …

All you need to know about MIPS | road.cc
All you need to know about MIPS | road.cc

MIPS stands for Multi-directional ,Impact, Protection System and it's a ,safety, feature that's incorporated into a ,helmet,. MIPS is a low friction layer that allows 10-15mm of relative motion between the ,helmet, and the head in all directions in order to reduce rotational motion ,transferred, to the brain in the event of an ,impact,.

Evaluation of the shock absorption performance of ...
Evaluation of the shock absorption performance of ...

1/2/2019, · In the pre-conditioning, a ,helmet, was placed on the ,headform,, as in ,the impact test,, and impacted three times by the impactor at a drop height of about 10 cm (4 in). The transmitted force ,to the headform, during the pre-conditioning was examined to make sure that the ,helmet, was securely fitted on the ,headform, and the ,helmet's, suspension system reached a steady state.

The Future of Helmet Testing and Design | Carleton Newsroom
The Future of Helmet Testing and Design | Carleton Newsroom

“This type of ,testing, could have an almost immediate ,impact, on ,helmet, design,” says Petel, whose ultimate long-term goal is to influence ,helmet safety, standards. Currently, companies essentially put hollow metal headforms inside their ,helmets,, fit them with accelerometers and drop them from various heights to simulate different types of ,impact,.

Effects of falling weight impact on industrial safety ...
Effects of falling weight impact on industrial safety ...

22/9/2017, · To summarize the ,test, results, striker ,impact, on ,safety helmets, resulted in their displacement on the ,headform, as well as deformation of the shell and cradle. As a result, shell displacement was ,transferred, to the spectacles/goggles mounted on the same ,headform,.

16 CFR § 1203.17 - Impact attenuation test. | CFR | US Law ...
16 CFR § 1203.17 - Impact attenuation test. | CFR | US Law ...

(4) ,Helmet, position. Prior to each ,test,, the ,helmet, shall be positioned on the ,test headform, in accordance with the HPI. The ,helmet, shall be secured so that it does not shift position prior to ,impact,. The ,helmet, retention system shall be secured in a manner that does not interfere with free-fall or ,impact,. (5) Data. Record the maximum ...

16 CFR § 1203.17 - Impact attenuation test. | CFR | US Law ...
16 CFR § 1203.17 - Impact attenuation test. | CFR | US Law ...

(4) ,Helmet, position. Prior to each ,test,, the ,helmet, shall be positioned on the ,test headform, in accordance with the HPI. The ,helmet, shall be secured so that it does not shift position prior to ,impact,. The ,helmet, retention system shall be secured in a manner that does not interfere with free-fall or ,impact,. (5) Data. Record the maximum ...

Traffic Safety Facts
Traffic Safety Facts

the ,helmet, during specific impacts. Novelty ,helmets, were shown to ,transfer, significantly higher accelerations (636g to 992g) ,to the headform, during these ,testing, impacts since they have very little or no energy-attenuating liner. Thus, in a motorcycle crash, the energy Summary of Novelty ,Helmet, Performance ,Testing, 1 www-nrd.nhtsa.dot.gov/pubs ...

Effects of falling weight impact on industrial safety ...
Effects of falling weight impact on industrial safety ...

22/9/2017, · To summarize the ,test, results, striker ,impact, on ,safety helmets, resulted in their displacement on the ,headform, as well as deformation of the shell and cradle. As a result, shell displacement was ,transferred, to the spectacles/goggles mounted on the same ,headform,.

Cycling Helmet Testing & Certification Explained | Koroyd
Cycling Helmet Testing & Certification Explained | Koroyd

The ,headform, and ,helmet, falls onto an anvil and the acceleration is measured (see the illustration above). Lower acceleration values demonstrate that the ,helmet, has absorbed more energy and less force ,is transferred to the headform,. Different countries specify different rules for: Speed (by changing the height from which the ,headform, is dropped).

How Do Climbing Helmets Protect Your Head? - Climbing Magazine
How Do Climbing Helmets Protect Your Head? - Climbing Magazine

A 5 kg (11 lbs) mass is dropped on the top of the ,helmet, from a height of 2 m (6.5 ft) as well as on the upper sides of the ,helmet, from 50 cm (19.6 in). To pass the ,test,, the ,helmet, must not transmit a force greater than 10 kilonewtons (kN) ,to the headform, to meet the …

7 Helmet Testing | Testing of Body Armor Materials: Phase ...
7 Helmet Testing | Testing of Body Armor Materials: Phase ...

A new ,head form,, referred to as the Peepsite ,head form, (Figure 7-16) was developed by the U.S. Army Research Laboratory to avoid potential drawbacks of the NIJ head forms. 54 A big shortcoming of the current ,test, head forms is that the clay used to measure the BFD of the ,helmet, upon ,impact, is contained between two solid aluminum parts of the ,head form, (see Figure 7-10).