Krav på plastslangar till plastlock
Plastskyddet är vanligtvis tillverkat av polypropen (PP) genom formsprutning. Plastskyddet av hög-kvalitet bör inte ha några tydliga krympningslinjer och draperier. Skiljelinjen ska vara slät, storleken ska vara korrekt och den ska vara slät med rörhuvudet och den ska inte vara spröd vid normal användning. Strukturella skador som sprickor, sprickor etc. När öppningskraften till exempel är inom intervallet ska flipskyddet klara mer än 300 veck utan att gå sönder.
Now some manufacturers, and this seller have no bottom line, only what you can't think of, what you can't do without it, no matter what the price is, the merchants are all for the purpose of making money. This is not something I bought on Taobao a few days ago. When I bought it, it looked good, but it was different when I received it. The thing turned out to be made of plastic hoses. I almost lost my temper. I contacted the merchant, It said that it is environmentally friendly, but things are not like this at all. I have never heard that this thing is made of plastic. He said that you can return it. I asked, the return shipping cost is 120 yuan, and I am speechless.
