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Core Features

By adding reinforcing materials such as glass fiber, carbon fiber, or whiskers, the tensile strength, bending strength, and modulus of PP are significantly improved. The glass fiber reinforcement effect is the most significant, with a tensile strength increase of up to 136% and an impact strength increase of up to 171%. At the same time, the dimensional stability is improved, the shrinkage rate is significantly reduced, and in some cases, it can replace metal materials.

Mainstream solution

Mainly reinforced with glass fiber (PP+GF), the glass fiber content is usually 10%~50%. Chemical coupling type glass fiber reinforced PP improves the interface bonding between fibers and matrix by adding maleic anhydride grafted polypropylene (MAH-g-PP), which is suitable for high demand scenarios such as automotive structural components. Mineral fibers (such as calcium silicate fibers) can be used as a partial alternative to reduce the phenomenon of "floating fibers" while maintaining a balance between rigidity and toughness.

Key data

-When the glass fiber content is 30%, the tensile strength can reach 80-85 MPa, the bending modulus is 5500-6000 MPa, and the hot deformation temperature (1.8MPa) is 150 ℃
-When the glass fiber content is 50%, the tensile strength can reach 95 MPa, the bending modulus is 9800 MPa, and the hot deformation temperature is 155 ℃

Typical Applications

Automotive front-end module, foot pedal, air filter intake pipe, cooling fan cover, mudguard; Household appliance structural components; Electric tool casing.