China Special Enamel Customized Boiler Air Preheating Enamel Pipe Special for Chemical Boiler Enamel Paint Tubes, Find details about China Enamel Pipe, Chemical Enamel Pipe from Special Enamel Customized Boiler Air Preheating Enamel Pipe Special for Chemical Boiler Enamel Paint Tubes
Enamel thickness | About 0.3mm (or according to the actual situation) |
Curvature | less than 5% |
Appearance | smooth, without sagging and bottom leakage |
Steam resistance | allowable weight loss ≤ 4mg / M ² |
Sulfuric acid resistance | allowable weight loss ≤ 3.5mg/m ² |
Boiling water resistance | allowable weight loss ≤ 2.2mg/m ² |
Chilling test | circulate in cold water from 360 ºC to room temperature for 5 times |