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shenzhen steel wire hose manufacturer to share with you how to choose contains no plasticizer, safety and health of PVC steel wire hose, PVC steel wire reinforced hose, now in the market of food-grade plastic wire hose variety, performance, quality also differs a lot, want to choose real contains no plasticizer, safety and health of PVC steel wire hose, PVC steel wire reinforced hose is never easy, in the selection and use of goods we want to have a more clear understanding of the performance of, this can avoid blindness, general situation to pay attention to the following points:
1, the use of PVC steel wire hose, PVC steel wire reinforced hose environment: pay attention to the conveying what objects, use of the environment and the temperature. Generally TPU and PVC can be used under normal temperature, but at high and low temperature paid special attention to the conveying medium, high temperature stability of PVC is poorer, prone to dissolve all phenomenon, according to the research of PVC at high temperature easy to produce poison, so PVC steel wire hose, PVC steel wire reinforced hose is not suitable for use in more than 50 degrees Celsius, two TPU thermal stability is good, does not produce toxic substances, PVC to join in the low temperature additives keep low temperature soft, and pu hose steel wire can be forty degrees Celsius below zero to keep good performance, there is no of its excellent properties.
2, PVC steel wire hose, PVC steel wire reinforced hose conveying objects: conveying material is necessary, if the pipe stability is poor, prone to dissolve delivery matter, which would be food pollution caused by the ( It can refer to our experiment table) , but relatively safe is food grade hose, has good resistance to hydrolysis and antimicrobial effect, yes is recommended.
3, PVC steel wire hose, PVC steel wire reinforced hose material: general common steel wire hose has two kinds of PVC and TPU, in terms of material, TPU itself safety performance is high, processed can food safety requirements, so the safety coefficient of the highest, is the most ideal to use food grade hose; Can also be processed into food grade PVC hose, but the technology demand is higher, there exists and additives used technology for the purification of demand is larger, so although some of the domestic food grade hose, but generally it is difficult to do it.
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