China Combustion Air Waste Heat Recovery Unit Air Preheater Enamel Tube for Coal / Biomass / Rdf Boiler / Good Quality Certification, Find details about China Enamel Pipe, Chemical Enamel Pipe from Combustion Air Waste Heat Recovery Unit Air Preheater Enamel Tube for Coal / Biomass / Rdf Boiler / Good Quality Certification
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 |