씰링 재료의 특성은 무엇입니까
현재, most of the digger seal kits sealing materials used at home and abroad are polymer elastomers, and some special conditions also have the use of plastics and various types of metals. But no matter which kind of material it belongs to, 14521940 center joint seal kits Volvo EW140B EW160B excavator should have the following properties: 1.Have certain mechanical and physical properties: such as tensile strength, fixed elongation strength, elongation; 2. A certain degree of elasticity, suitable hardness, and compression...