Why burst flexible PVC garden hose?

Flexible pvc garden hose is made of pvc resin and paraffin wax, which is characterized by its flexibility, high temperature resistance, wear resistance, corrosion resistance and resistance to distortion. The pressure of flexible pvc garden hose is not high, but can only tap the faucet, can not pick up all the pressurized equipment or else it will appear delamination, burst tube phenomenon, threatening human health.
The reason why flexible pvc garden hose squib is also two kinds
1: The quality of the pvc garden hose is not good, the outer layer and the inner layer do not have good adhesion, prone to delamination phenomenon, the pvc garden hose flexible when buying is best to test it.
2: flexible pvc garden hose working burst pressure exceeds its own burst pressure, flexible pvc garden hose can not withstand such a high pressure will appear outside the rise and burst pipe phenomenon, found pliable pvc garden hose bulging Immediately stop all work and prevent it from causing damage to human health.
The pvc garden hose is not flexible and can not be connected to any pressurized equipment. When buying it, it knows the burst pressure of the flexible pvc garden hose.