Raw materials and applications: glass fiber than organic fiber high temperature resistance, non-combustible, corrosion resistance, heat insulation, sound insulation, high tensile strength, good electrical insulation. But brittle, wear resistance is poor. Used to manufacture reinforced plastics or reinforced rubber, as reinforcement material glass fiber has the following characteristics, these characteristics make the use of glass fiber is far more extensive than other kinds of fiber, the development rate is far ahead of the characteristics listed as follows:
1. High tensile strength and small elongation (3%).
2. High elasticity coefficient and good rigidity.
3. Large elongation and high tensile strength within the elastic limit, so the absorption impact energy is large.
4. Inorganic fiber, non-combustible, good chemical resistance.
5. Low water absorption.
6. The scale stability, heat resistance are good.
7. Good processability, can be made into strands, bundles, felt, woven fabric and other different forms of products.
8. Transparent through light.
9. Good adhesion with resin.
10. The price is cheap.
11. Not easy to burn, high temperature can be fused into glass beads.
Glass fiber action:
1. Enhance the rigidity and hardness, the increase of glass fiber can improve the strength and rigidity of plastic, but the toughness of the same plastic will decline. Examples: bending modulus.
2. Improve the heat resistance and thermal deformation temperature, take nylon as an example, increase the nylon glass fiber, thermal deformation temperature at least two times more than, the general glass fiber reinforced nylon temperature can reach more than 220 degrees.
3. Improve dimensional stability, reduce shrinkage rate.
4. Reduce warping deformation.
5. Reduce creep.
6. The flame retardant performance because of the wick effect, will interfere with the flame retardant system, affect the flame retardant effect.
7. Reduce the gloss of the surface.
8. Increase moisture absorption.
9. Glass fiber treatment: the length of glass fiber directly affects the brittleness of the material. If the glass fiber treatment is not good, short fiber will reduce the impact strength, long fiber treatment will improve the impact strength. To make the material brittleness does not decrease greatly, it is necessary to choose a certain length of glass fiber.
Conclusion: To obtain good impact strength, the surface treatment and the length of the glass fiber are very important.
Fiber content: How much fiber content of the product is also a key issue. In our country, the content of glass fiber is 10%, 15%, 20%, 25%, and 30%. In other countries, the content of glass fiber is determined according to the use of the product.
Glass fiber itself has good insulation, high temperature resistance and corrosion resistance, and it is also used by 3d printing technology. Glass fiber products are widely used in various fields of the national economy, among which electronics, transportation and construction are the most important three application fields, but also represents the development trend of the world glass fiber industry in the next few years.
Post time: Mar-08-2023