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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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
21/10/2010, · In 1939, the first ,plastic helmet,—stronger, lighter, and more durable than leather—was introduced by the Riddell Company and the leather ,helmet, was obsolete within 10 years. Today’s ,plastic, football ,helmets, are ,made, from molded polycarbonate shells with foam padding (either polyurethane, polystyrene, polypropylene, or ethylene vinyl acetate) inside.
Plastic, Harness with Pin-Lock. ,Made, of LDPE ,material,. Offers easily adjustable, comfortable and user friendly locking system. The pin-lock headband which designed together with 8 points V-shape ,plastic, harness. Certified to European CE standard. Tape Harness with Pin-Lock. ,Made, of LDPE and nylon ,material,.
The company sold protective hats ,made, of leather. His son, E. W. Bullard, returned home from World War I with a steel ,helmet, that provided him with ideas to improve industrial ,safety,. In 1919 Bullard patented a "hard-boiled hat" ,made, of steamed canvas, glue and black paint.
It is an engineering plastic that is easy to make and fabricate, and is a proven material for structural applications when impact resistance, strength and stiffness are required, such as a helmet. The Gatehouse helmet is also constructed from a thermoplastic, with the additional of carbon fiber or aramid additional reinforcement.
The result is a top-of-the-line shell, which achieves the ,safety, standards of fibreglass and ,plastic helmets, with much less size and weight. The important thing to remember is that advanced ,materials, do not imply advanced ,safety,; a ,plastic, lid can be just as safe as some space-aged ,helmet,.
As safety measures improved, more bars and even plastic visors were added. By 2004, the National Football League required all new players to use the safer multibar variety. Today, most facemasks are made from metals including carbon steel, titanium or stainless steel. Visors. Helmet visors are one of the newest additions to football protective gear.
1/1/2020, · 3. Various materials for safety helmets 3.1. Plastics. The most common materials used for the production of the safety helmet are ABS, High Density Polyethylene (HDPE), Polycarbonate (PC), and polyamide. The safety helmets manufactured using ABS shows excellent impact resistance, high toughness and easy to manufacture by injection moulding.
The helmet’s shell is the rigid outer section of the helmet, and is usually made from polyethylene, ABS (Acrylonitrile Butadiene Styrene – a thermoplastic) or fibreglass hardened with polyester resins The basic function of the shell is to provide protection by reducing the force of a falling object striking or impacting on the users head.
Skate-style ,helmets, and a few bicycle-style ,helmets, have hard shells ,made, of ABS or polycarbonate ,plastic,. BMX ,helmets, and some bicycle ,helmets, can have composite hard shells, with layers of fiberglass, kevlar or carbon fiber laid up in an epoxy. ABS is …
China ,Safety helmet, catalog of ,Plastic, Products ,Safety Helmet, Motorcycle ,Helmet, HDPE Hat (SH502), Building ,Material Safety Helmet, HDPE Hat Motorcycle ,Helmet, (SH502) provided by China manufacturer - Jinhua Toper ,Safety, Equipment Co., Ltd., page2.