Density: 1.4 - 1.43 gm/cm3

Tensile strength: 500-550 kg/cm2

Hardness (shore D): 80

Elongation at Tensile: (speed 25 mm/minute) 45:35%

Bending strength: 1000:900 kg/cm2

Hydrological pressure strength

Explosion pressure of a pipe of diameter 100 and thickness of 5 mm (54-58 kg/cm2)

Electrical resistance

Acceptable variation in thickness + 10%

in diameter + 2.5%

in length + 0.1%

Explosion pressure is 8 times the operating pressure