How to identify the advantages and disadvantages of PVC transparent plastic steel wire hose
Apr 02, 2022
In most cases? No testing tools and conditions? We can roughly identify the quality of PVC plastic steel wire hose according to vision, smell, touch and other senses.
1. Observe whether the lumen is regular? Whether the wall thickness is uniform. The inner and outer edges of PVC pipes are of good quality? The annular pipe wall is evenly distributed. With inner diameter of 89mm? Take PVC steel pipe with wall thickness of 7mm as an example? The minimum thickness of the pipe wall with poor quality can reach 7.5mm? The smallest part is only 5.5mm? Work under high pressure? It is easy for the uneven stress on the pipe wall to cause the burst or deformation of PVC steel pipe? Affect normal use.
2. Observe whether there are bubbles or other visible objects on the wall of PVC steel wire pipe? Whether it is colorless and transparent. The wall of high-quality PVC steel pipe is crystal clear? No impurities. And the color of defective PVC steel pipe turns yellow? May be decomposed and aged due to improper handling in the production process? Or improper storage for a long time.
3. High quality PVC steel pipe, except for a little plastic smell? No smell of other petrochemical products. And the inferior steel pipe has an unpleasant and pungent smell of diesel oil? Especially in hot summer? People can't get close.
4. High quality PVC steel pipe with smooth inner and outer pipe walls? Feel good? The low quality pipe is rough.
5. When measuring wall thickness? Both ends of PVC steel pipe shall be cut off? Select the intermediate tube as the sample for test? Prevent some illegal manufacturers from making articles at both ends of the pipe? The actual wall thickness is thinner than both ends of the pipe.
6. Cut several centimeters of steel wire at both ends of PVC steel wire pipe, fold the steel wire repeatedly, and test the strength and toughness of the steel wire. Poor quality steel wire will break after folding once or twice, while the steel wire of high-quality PVC steel wire pipe needs special tools to cut off. The quality of steel wire determines the quality of the whole pipe. PVC plastic steel wire hose with quality problems caused by steel wire is prone to unrecoverable deformation.
