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ADD:NO.6,QINGTIAN ROAD,QILU CHEMICAL INDUSTRIAL ZONE,ZIBO,SHANDONG,
CHINA

Strict inspection
 
Hydrostatic strength of  pipe
(80℃,165h)
no breakage, no leakage
Elongation at break of pipe: ≥350% min. Oxidation induction time ( thermal stability ) of pipe: 20 minutes min.
Longitudinal reversion rate of pipe
(110℃)≤3%
Hydrostatic strength of  fitting
(80℃,165h)
no breakage, no leakage
Oxidation induction time
(thermal stability) of fitting≥20 minutes min.
Cohesive resistance for electro fusion fittings:stripping percentage of brittle failure:≤33.3% max Tensile strength for butt fusion fittings
Test to failure
Ductile;pass
Brittle:fail
Electrical resistance
Nominal value X0.9≤Electrical resistance≤Nominal value X1.1+0.1Ω
 
Appearance of pipe Outside diameter of pipe Wall thickness of pipe
                Out-of-roundness of pipe Appearance of fitting Outside diameter of fitting
                Wall thickness of fitting Out-of-roundness of fitting terminal Testing electrical resistance of electrofusion fittings one by one
 
                Melt mass-flowing rate for PE thermal stability for PE Density for PE
                Volatile content for PE Water content for PE Carbon black content for PE
                Carbon black dispersion for PE Component resistance to gas Resistance to slow crack growth
 
Superior quality material
 
 
 
 

 

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