Bakelite Hand Screw Bolt Handle Handle Screw Star Plum plus-Sized Seven Star National Standard Knob

About Product:1. It has high mechanical properties, low friction coefficient and wear resistance; 2. It has excellent dimensional stability at normal temperature, less deformation and good durability when carrying products; 3, products have good heat resistance, high softening point, and can usually be used below 60 degrees, while special products can be used at 80 degrees; 4. Products have excellent electrical insulation. (5) oil resistance, weak acid resistance, alkali resistance and general solvent resistance; (6) excellent mechanical properties of tenacity, hardness, good rigidity and balance; (7) tasteless and good weather resistance; (