In essence, modification refers to vulcanization. Raw rubber, that is, rubber that has not yet been crosslinked, consists of linear macromolecules or macromolecules with branched chains. With the change of temperature, it has three states: glass state, high elastic state and viscous flow state. Unvulcanized rubber hardens at low temperature, softens at high temperature, has no ability to maintain shape and low mechanical properties, basically no use value, it must be vulcanized before it can be used. That is to say, raw rubber needs a series of processing to make useful rubber products, thus resulting in rubber processing industry.
PVC lay flat hose is not vulcanized. If you light it with fire, PVC turns into liquid, while rubber turns into ash. It’s easy to distinguish them from this appearance. And rubber is mostly industrial goods. Only a few are used in life. For example, tires, hoses, belts, seals, shock absorbers and so on.
PVC lay flat hose dredging can use pressure dredging method to flush drip irrigation system with compressed air or pressure water, which has good effect on dredging organic matter blockage, but this method is ineffective for carbonate blockage. Calcium carbonate can also be precipitated by acid flushing method. 0.5%-2% hydrochloric acid solution can be used, and 1 meter head pressure can be used to input the drip irrigation system. The solution can be detained for 5-15 minutes. When blocked by calcareous clay, it can be washed with sand acid rinse solution.
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Goldsione Group., Ltd.is set of development, production and sale of pvc and rubber products. The technology of plastic composite products is advanced in China. The main products include pvc hose,pvc garden hose，PVC lay flat hose,PVC hose machine,plastic-plywood and mechanical equipment. With strong technical force and independent research and innovation capacity, our products have passed ISO, ROHS, SGS, and other international certifications.....