The way to judge the quality of PVC plastic hoses:
Plastic hoses are widely used, but if we distribute this product, how to judge the quality of PVC plastic hoses?
1: first look at the surface finish and whiteness.
2: Sample breakers are usually high calcium products. Of course, if the price is appropriate, it is acceptable to meet your requirements.
3: Take the sample and step on the edge of the tube to see if it can crack or the elongation at break after cracking.
4: weathering is troublesome. The most direct way is to get high temperature and high light place for a few days to see the surface change rate, but it is too time-consuming. Mainly look at the first 3 items.