SDR11 PE100 Gas Pipe Price, Pe Gas Pipe for Gas Used

Items

technical requirements

Appearance

Outside and inner pipe surfaces shall be clean and smooth. Deficiencies including bubbles, obvious scratches, surface sinking, impurity and uneven colors are not allowed. Pipe ends shall be cut flat and keep vertical to the axis line.

Thermal stability(200°C).min

greater than 20

Elongation at break. %

greater than or equal to 350

Vertical retraction(110°C), %

less than 3

Melt Flow Rate(MFR).        (190°C.5kg)g/10 min

MFR rate of change less than 20%

Hydrostatic strength (MPa)

PE80

(1). 20°C. Hoop stress 9.0MPa,time to rapture≥100h

(2). 80°C. Hoop stress 4.5MPa,time to rapture≥165h

 (3). 80°C. Hoop stress 4.0MPa,time to rapture≥1,000h

PE100

 (1). 20°C. Hoop stress 12.4MPa,time to rapture≥100h

(2). 80°C. Hoop stress 5.4MPa,time to rapture≥165h

  (3). 80°C. Hoop stress 5.0MPa,time to rapture≥1,000h