Why do you buy PVC gaarden hose hard and smelly?

You may be eating a big watermelon in such a hot summer, maybe you will smell the smelly smell of PVC garden hose. We must be familiar with PVC garden hose, which is used in many places in our lives, such as home cleaning, home washing, garden irrigation and so on. Some just buy PVC garden hose in the sun for two days to find the smell of black and stinky, why this bad situation, let us from the PVC garden hose raw materials to analyze some PVC garden hose why the black stink.
The raw materials of PVC garden hose are fixed, and the raw materials include PVC resin powder, paraffin wax, calcium powder and so on. A good PVC garden hose does not add too much calcium powder. The more the calcium is added, the less the quality, the less or not the addition, which means the cost of the garden tube is high. When buying PVC garden hose, try to buy the less calcium powder as much as possible is not too big, so PVC garden hose will not be black hair odor or price is very expensive.
Buy PVC garden hose when the first smell of taste, secondly fold PVC garden hose to see its flexibility, the third in the sun for a day in the sun, the fourth in the refrigerator, see whether PVC garden hose is hard, and the five fire to bake.
After understanding the above regulations, you will buy your garden tube PVC garden hose when you buy PVC garden hose.