Covering film / pipe covering film / 3PE pipe covering film / anti-corrosion 
 (1) Features 
 Steel pipe anticorrosion devoted to repair and fill the mouth of the injury; 
 Complemented mouth piece (mouth piece does not make thermal resistance) and fill mouth with two forms. Jacket damage area on 100 mm or less, fill mouth piece for using Mending. When the jacket damage over an area of ??100 mm2, the axial and radial damage or serious injury should be mending meeting with; 
 Wear resistance, impact resistance, good mechanical properties such as anti-infiltration. Environmental adaptability. 
 (2) Specification (unit: mm) 
 Mending repair pieces available according to customer specifications can also be available in rolls. 
 (3) performance 
 No. Item? Head Unit Test Method Typical Value 
 1, the rate of change of axial% 2 200 ℃, 5min 
 Weeks to% 4 200 ℃, 5min 
 2 Softening point ℃ 113 SY / T 0041-97 
 3 Shear strength MPa 2.3 GB / T 4507-99 
 4 Peel Strength (steel) N / cm 156 GB / T 2792-98 to obtain the latest information on specific landing