Manufacturer of top and bottom plug--standard type & non rotating type

DEZHOU QUANXING PETROLEUM MACHINERY CO.,LTD

The top and bottom plug ( Standard / Std type & non-rotating type ) manufactured by QUANXING with complete size and reliable quality. 

1. Tensile strength: > 20 MPA

2. Shore A hardness: 60~80

3. Air aging coefficient:>0.85 ( 120 C, 24 h)

4. Volume expansion: in the 15 immersion oil or mud 24 h, volume expansion should be less than 3%.

5. Elongation:>300 %