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.
How to print serial numbers on the back of helmet
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
Styrofoam and Koroyd Also known as Expanded Polystyrene (EPS), Styrofoam is one of the most popular materials used for the inner lining in a helmet. It is also commonly known as thermocol and has always been reliable considering its impact-absorbing qualities. Although Styrofoam is cheap and does the job well, it has certain drawbacks.
5/1/2020, · There are many different materials helmets can be made out of. But the two most common shell materials for folding bike helmets are ABS and polycarbonate. Which one is better? It depends. On a high level, polycarbonate is more expensive, flexible, softer, and lighter. Conversely, ABS is much cheaper, as well as harder, heavier, and …
5/10/2017, · Styrofoam and Koroyd Also known as Expanded Polystyrene (EPS), Styrofoam is one of the most popular materials used for the inner lining in a helmet. It is also commonly known as thermocol and has always been reliable considering its impact-absorbing qualities. Although Styrofoam is cheap and does the job well, it has certain drawbacks.
Safety Helmet Types: The CSA Standard (Z94.1) tests for Type 1 and Type 2 safety helmets include dielectric strength, impact attenuation, penetration resistance, passive retention, shell flammability, and liner ignition resistance (typically only Type 2 for lateral impact).
Repeated short term noise exposure may give rise to the use of ,ear-muffs, or banded ,ear-plugs, because they can be easily removed. Disposable ,ear-plugs, are preferable for use in dusty environments. ,Ear-muffs, affect the localisation of sound sources because the diffraction of the incoming sound by the pinna is changed and therefore the localisation in the vertical plane is decreased.
2-Way Communication ,Ear Muffs, with Built-In Radio provide safe 2-way radio communications in high-noise environments, and each set of ,ear muffs, or ,ear plugs, includes a mic and a fully-functioning radio unit - no external radios or other devices required.These are the ideal solution for very loud environments in which members of a team of two or more need to maintain communications and still ...
The outer shell is the exterior part of the helmet you see from the outside. It’s usually made of carbon fiber, Kevlar, polycarbonate or molded plastics. It can also be a combination of those. Its function is to protect the head in the case on an abrasion or impact.
Electronic ,Ear muff, with the ,function, of Radio, Electronic Noise-proof ,Earmuff,, a high-powered and highly reliable ,earmuff,, is a kind of an electronic product which features the built-in integrated circuits and FM automatic broadcasting station searching ,function,. You can select the Noise-proof or the Radio ,function, by pushing ,Function, Shift Key.
3M Peltor LiteCom Plus ,Earmuff, is based on a robust basic design with a number of added features. This is a headset that is designed for demanding use on a daily basis. A built¿¿¿in communication radio allows two-way conversation on up to 37 channels, 121 sub …
Earmuffs, and ,earplugs, serve the same general purpose, but they do offer two completely different experiences. Outside of the obvious – one is hidden and the other is very-much-so visible – there are some clear differences between plugs and muffs that may make one better suited for you over the other.
The middle layer of the helmet is what should absorb the majority of the impact from a fall or accident. Liners can be made from expanded polystyrene—which is a very lightweight product made of expanded polystyrene beads—made of more than 95 percent air and only about 5 percent foam.
Helmet materials we offer fall into two groups: more basic thermoplastics (ABS, polycarbonate, and compounds that are a blend of both) and composite materials made of more complex fiber and resin mixes (fiberglass, Kevlar, carbon fiber, and composite blends).
We suggest a high-quality foam plug like the E-A-R™ Classic™ or E-A-Rsoft™ foam ,earplug, together with a small and comfortable ,earmuff, such as the Peltor™ H6 ,earmuff,. Once you have properly inserted the ,earplug, (see Tips and Tools for Fitting and Using E-A-R™ Foam ,Earplugs, (2.18 MB) ), the selection of a particular ,earmuff, is essentially unimportant.
The average noise reduction efficiency ratings are 50% and 70% for ,earplugs and earmuffs, respectively. Ideally, the size of each muff should be convenient for long use. There's no need to purchase large ,ear muffs, when you have very small ears. They might become too big to fit your ears and fail to give protection against high decibels noise. 4.
Model number or name (on the ,helmet, & the harness) Size range. Shell ,material, e.g. ABS, PC, HDPE. ,There, are further tests which can be done to Industrial ,safety helmets, . which might be useful for other hazards in the workplace, these are the following. and the ,helmet, will be stamped with the relevant markings:-20 C or -30 C - tested at very ...
6/11/2020, · Thermoplastic. This type of hot plastic can be molded if you have the shell of a true helmet. Polycarbonate shell or a type of soft plastic is used to make the thermoplastic shell of the helmet. This does not mean that the helmet is safer. You need to add more padding to make it …