What is fiberglass？

1, what is glass fiber?

Fiberglass , is a kind of excellent performance of inorganic non-metallic materials, a wide range of advantages is good insulation, strong heat resistance, good corrosion resistance, high mechanical strength, but the disadvantage is brittle, poor wear resistance.It is made of six kinds of ore as raw materials: phyllite, quartz sand, limestone, dolomite, borax, borax and magnesite by high temperature melting, drawing, winding, weaving and other processes. The diameter of the single wire is several microns to twenty microns, which is equivalent to 1/20-1/5 of a hair. Each fiber strand is composed of hundreds or even thousands of single filaments.Glass fiber is usually used as reinforcing material in composite materials, electrical insulation materials and thermal insulation materials, circuit base materials and other fields of the national economy.

2, the main composition of glass fiber

The main composition of glass fiber is silica, alumina, calcium oxide, boron oxide, magnesium oxide, sodium oxide, etc. According to the amount of alkali content in the glass, it can be divided into alkali-free glass fiber (sodium oxide 0% ~ 2%, belonging to alumino-borosilicate glass), medium alkali glass fiber (sodium oxide 8% ~ 12%, belonging to sodium calcium silicate glass containing boron or not containing boron) and high alkali glass fiber (sodium oxide more than 13%, belonging to sodium calcium silicate glass).

3, the categories of glass fiber Glass fiber according to the glass composition, can be divided into alkali-free, chemical resistance, high alkali, alkali, high strength, high modulus of elasticity and alkali resistance (alkaline) glass fiber.

01 alkali-free glass

alkali-free glass, is a kind of borosilicate glass.At present, it is the most widely used glass fiber of a glass composition, with good electrical insulation and mechanical properties, widely used in the production of electrical insulation with glass fiber, also used in large quantities for the production of glass fiber glass, its disadvantage is easy to be inorganic acid erosion, so it is not suitable for use in acidic environment.

02 alkali-free glass

alkali-free glass, its characteristics are chemical resistance, especially acid resistance is better than alkali-free glass, but poor electrical performance, mechanical strength is lower than alkali-free glass fiber 10%~20%, usually foreign alkali-free glass fiber contains a certain amount of boron trioxide, and our country alkali-free glass fiber is completely free of boron.Abroad, alkali-free glass fiber is only used for the production of corrosion-resistant glass fiber products, such as for the production of glass fiber surface felt, also used to enhance asphalt roofing materials, but in our country alkali-free glass fiber occupies half of the glass fiber production (60%), widely used in the reinforcement of glass fiber reinforced plastics and filter fabric, wrapping fabric production, because its price is lower than alkali-free glass fiber and has strong competitiveness.

03 high strength glass fiber High strength glass fiber, which is characterized by high strength and high modulus, its single fiber tensile strength is 2800MPa, about 25% higher than the tensile strength of alkali-free glass fiber, and its elastic modulus is 86000MPa, higher than the strength of E-glass fiber.Glass fiber reinforced plastic products produced by them are mostly used in military industry, space, bulletproof armor and sports equipment.But because of its high price, it can not be promoted in civil areas nowadays, and the world output is only about thousands of tons.

4, Application Fields

Glass fiber products are widely used in various fields of the national economy, among which electronics, automobile and construction are the three main application fields, which also represent the development trend of the world glass fiber industry in the next few years.

01 The application of glass fiber reinforced composites in electronics and electrical engineering mainly takes advantage of its electrical insulation, corrosion resistance and other characteristics.

02 Glass fiber and its composites have the advantages of light weight, high strength, corrosion resistance and so on. The application in the automobile industry can reduce the weight of the car, improve the performance of the car, reduce the manufacturing cost of the auto parts, speed up the assembly speed of the car and save fuel.

03 As is known to all, the outstanding characteristics of cement-based building materials are high compressive strength and low bending strength, tensile strength and impact resistance. With the in-depth research and development of glass fiber, the emergence of alkali-resistant glass fiber, a new type of glass fiber reinforced cement material has been produced to overcome the defects of cement matrix. This material can not only improve the bending strength and tensile strength of cement matrix, but also improve its impact resistance.

Ganzhou Wolfe Trading Co. , Ltd. is a large Chinese manufacturer and exporter of fiberglass and its products, our main products are fiberglass yarn, fiberglass mesh cloth, fiberglass industrial cloth, fiberglass self-adhesive tape, fiberglass fire blanket, fiberglass-covered aluminum foil self-adhesive cloth, etc. , welcome Chinese and foreign customers to negotiate procurement.

Address: Shangyou County Industrial Park, Ganzhou, Jiangxi province

Tel: 13979783338(Mr. Fang)         Website:www.gzwef.com         E-mail:fangyulai@163.com