7 main factors affect the tensile strength of VFFS timing belts！|Yonghangbelt

What factors affect the tensile strength of VFFS timing belts?

1.The molecular weight of the rubber determines the tensile stress of the product, the larger the molecule, the better the tensile stress, and vice versa, the smaller the tensile stress.

2. The greater the cross-link density of the rubber product, the greater the fixed extension stress.

3. The smaller the particle size of the compound, the higher the tensile stress. The addition of stearic acid and zinc oxide increases the surface activity and therefore the fixing tension accordingly. The higher the dose, the higher the specific elongation tension.

4. Adding softeners to the production of rubber products will reduce the fixing tension of the rubber product if the softeners used are in excess of the standard. Reducing the fixed elongation pressure will reduce the service life of the product, so special attention should be paid to this point.

5. Mixing rubber with each other will increase the fixing tension.

6. The higher the molecular weight, the greater the tensile strength.

7. Rubber, neoprene and butyl rubber have higher rubber crystallinity, so the tensile strength of these rubbers is greater.

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