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How to Identify the quality of PVC Layflat Hose?

1. Smelling
A. Good quality type is no smelling or some fragrance.

B. Normal quality type is no smelling.

C. Bad quality is with acrid smelling


2. Surface

A. Good quality type is smooth surface without any granular impurities in both side.

B. Normal quality type is smooth surface with little granular impurities, but difficult to see by eyes.

C. Bad quality type is rough surface with granular impurities, especially on the inner side.


3. Working Pressure

A. Good quality type burst pressure usually is 3-times of the working pressure.

B. Normal quality type burst pressure is as follow

Small diameter( small than 6”) usually is 3-times of the working pressure.

Large diameter (large than 6”) usually is 2-times of the working pressure.

C. Bad quality type burst pressure usually 2-times or equal of the working pressure.


4. The method of Weaving
A. Good quality type is woven evenly, without jumping lines & broken lines & scratch. The yarns are strength and toughness type.

B. Normal quality type is woven evenly, less jumping lines & broken lines & scratch. The yarns are strength type.

C. Bad quality type is woven unevenly & loose, some parts are jumping lines & broken lines & scratch. The yarns are normal type.


5. The Material of PVC layer

A. Good quality type’s PVC layer is made of virgin material with good heat resistance, elasticity and abrasion resistance.

B. Normal quality type’s PVC layer is made of virgin & class 1 recycle material with good heat resistance and abrasion resistance.

C. Bad quality type’s PVC layer is made of recycle material without any characteristic.


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