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Application Of Glass Fiber In Safety Footwear Industry

2011/2/16 16:11:00 72

Glass Fiber Safety Shoes And Footwear Industry

FRP is a kind of

glass fibre

Composite materials have better comprehensive properties, so the products are widely used, involving more than 20 industries, almost covering the national level.


Various industrial sectors.

Among them, chemical industry, construction, electric power, light industry, petrochemical industry, electromechanical, automobile and other industries have the largest number of applications.

China's advanced fiberglass composite materials have been widely used in the aviation industry. At present, such composites are used both in civil aircraft and military aircraft.

Glass fiber is very popular in this field because it is a new type of fiber.

Functional materials

And structural materials, such as high temperature resistance, corrosion resistance, high strength, small elongation and good insulation.

Composition of FRP

Glass fiber is an excellent inorganic non-metallic material. It takes natural mineral as raw material, after the scientific calculation and reasonable proportioning of various raw materials, and then processes all kinds of products by grinding, homogenizing, melting, drawing, winding and weaving.

The diameter of monofilament of glass fiber is from several microns to more than 20 microns, which is equivalent to 1/20-1/5 of a hair. Each strand of fibril has several hundred or even thousands of monofilaments.

Glass fiber is characterized by high strength, high modulus of elasticity, low elongation, and electrical insulation and corrosion resistance. It is widely used in various fields of Yu Guomin's economy as a reinforcing material, electrical insulating material and thermal insulation material in composite materials.

FRP is a composite material composed of thermoplastic resin and glass fiber, carbon fiber and polyamide fiber.

Usually, the mixture of these materials is melted and mixed to form pellets, which are molded by injection molding.

There are also made of long fiber into sheet shaped materials, molded by pressing machine.

The former is aimed at improving the performance of various resins such as heat resistance, dimensional stability, impact strength or electrical conductivity with fiber reinforced materials. The latter aims at manufacturing large products, and attaches importance to the influence of fiber alignment and content.

The thermoplastic resins used are various, such as AS, ABS, PA, PBT, PC, PET, POM, PPS, and high performance engineering resins, which are utilized according to their different characteristics.

Footwear industry application

In recent years, due to the trouble of security inspection, steel safety toe heads are gradually replaced by other non-magnetic materials, and the application of FRP as safety toe is an ideal choice.

Maopai shoes materials Co., Ltd. has pioneered the development of glass fiber safety head. Through a large number of experimental research and development and final product testing, we finally screened out the ideal formula and produced a high quality explosion-proof fiberglass safety toe cap.

It was awarded the utility model patent by the China Intellectual Property Office in September 2005.

According to the test, all the safety indexes of explosion-proof fiberglass produced by Maui are in line with the requirements of EN-CSA-ANSI standard for safety shoes.

It can be heat-resistant at 200 degrees centigrade, cold resistant -40 C, and acid and alkali resistant. It can meet the needs of footwear production process and suit the harsh climate of the wearing environment.

Experiments show that fiberglass safety shoe heads are very environment-friendly and do not need to be recycled. They can be decomposed naturally by ultraviolet irradiation for a long time. They have antistatic function, and are non-toxic, non-toxic and non volatile. In addition, they also have the advantages of ultra light, ultra-thin, safe and non deformation, which can absorb and decompose impact force.

When encountering great impact, the toe will radiate and crack, and it will not be deformed like steel head, so it will not hurt the foot and play a very good protective role.

In the production of safe toe ends, steel toes must be made of steel molds. The cost of moulds needed to change shapes is higher, but the cost of moulds for glass fiber reinforced plastic toe is lower.

For shoe factories, the technology does not need to be changed, so it can be easily applied.

Moreover, compared with steel, aluminum and other alloy toe ends, FRP toe heads are more easily bonded with materials, making processing more convenient.

In terms of end-user applications, apart from enjoying basic safety features, because of the lighter weight of FRP toe cap, the wearer will feel more comfortable, and will not lose balance due to heavy weight and light weight.

In addition, Maopai shoe material Co., Ltd. also developed fiberglass elastic pads with good resilience properties of fiberglass reinforced plastics. Fiberglass elastic pads can be used alone or in ordinary insoles.

The glass fiber elastic pad is made of standard foot shape and has good function of correcting walking posture.

The shockproof middle sole elastic shoe pads are treated by the technology of moisture absorption and sweating, and have good shockproof, antibacterial and deodorizing, sweat perspiration, breathability and comfortable foot feeling, etc., and are suitable for all kinds of shoes.

The biggest advantage is that its springback function makes the wearer's feet uniformly stressed, and because of the crisscross arrangement of glass fibers in FRP, it has a strong nail piercing effect.

At present, the global concept of environmental protection has been further strengthened. Because of the close connection with leather or lining materials, the steel toe can not be separated. It is difficult to classify and recycle waste disposal. However, the glass fiber reinforced plastic toe and shoe material can be decomposed naturally, which is in line with the trend of environmental protection.

FRP elastic insoles also play the role of anti iron in the safety shoes. The corrosion resistance, oxidation resistance and excellent springback will be more and more welcomed by the industry.

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