After the PVC transparent steel wire hose is produced, it needs to be tested for vacuum performance. There are two test methods The first method First of all, in terms of the length of the test steel wire hose, the minimum length should be five times the nominal inner...
The excellent performance of PVC hoses in the construction industry has always attracted much attention. This kind of pipe is made of polyvinyl chloride as the main raw material and processed through a special process. It has the characteristics of light weight,...