On the morning of November 20, 2010, the 200,000th gearbox HW15710L (aluminum alloy housing) of China National Heavy Duty Truck Transmission Department was grandly rolled off the assembly line. Hu Youbin and Sun Zhenyu, models of the gearbox department, unveiled colorful silk for this significant gearbox.
There are many grades of PVC. The viscosity or K value commonly used in the industry indicates the average molecular weight (or average degree of polymerization) of PVC, that is, the length of the PVC molecular chain, which determines the grade of the resin and the corresponding processing parameters. The molecular weight of the resin is related to the physical and mechanical properties of the product.
PVC used to be the largest general-purpose plastic in the world, and it is widely used. It is widely used in construction materials, industrial products, daily necessities, floor leather, floor tiles, artificial leather, pipes, wires and cables, packaging films, bottles, foam materials, sealing materials, fibers, etc
SG3 (K-70, S1300): mostly used for soft products, hoses, wires and cables, films, shoe materials, toys, auto parts etc.
PVC RESIN SG3 has high purity, less fish eyes, easy to blister, high temperature resistance, insulation, soft product texture, etc. It is mainly used to produce soft products such as wires and cables, agricultural films, conveyor belts, and daily plastic products.
PVC RESIN SG3,Pvc Resin Sg3 Sg5 Sg8,Pvc Resin K70,Pvc Resin Powder Sg3,Suspension Pvc Resin Sg3 Henan Shunbang Chemical Industry CO.,Ltd , https://www.pvcresinchem.com
From April 9, 2007, the first product successfully went offline and the 100,000th gearbox was assembled. The transmission department took 31 months, and the second 100,000 units successfully took off for only one year. In 20 days, the speed at which China's heavy-duty trucks developed by leaps and bounds was demonstrated.
PVC Resin is a kind of non-crystalline linear polymer compound. The larger the relative molecular mass, the higher the viscosity, the higher the molecular weight, and the higher the tensile strength, impact strength, and elastic modulus of the product, but the flow of the resin melt Decline in sex and plasticity. The viscosity number is usually used to indicate the molecular weight of the polymer, and the polymer model is divided