Physiologically harmless, suitable for food products Smooth surface to achieve good flowability and to avoid plugs No spilled material to clean up 2: ceramic tube pipe introduction : Chemshun alumina ceramic lined composite steel pipe not only has steel pipe characters of High-strength, good toughness, impact resistance, good weld-ability, but also has corundum Ceramics characters of high hardness, high wear resistance, corrosion resistance, heat Resistance. Which overcome disadvantages of steel low hardness, poor wear resistance And ceramics poor toughness, therefore, ceramic lined pipes have comprehensive property Of excellent wear resistance , hear resistance , corrosion resistance , mechanical shock and Thermal shock etc , it is the ideal pipeline of conveying sand , stone , coal , ash, molten Aluminum etc particles and corrosive medium, chemshun ceramics offers sophisticated Design and engineering capabilities of both standard and custom wear linings, installation And project management, as well as abrasion a udits of used wear linings. 3:technical data : 1) chemical data : Al2o3 sio2 cao mgo na2o 92~93% 3~6% 1~1.6% 0.2~0.8% 0.1% 2) physical data : Specific gravity (g/cc) >3.60 Apparent porosity (%) 0 Flexural strength (20 c, mpa) 280 Compressive strength (20 c, mpa) 850 Rockwell hardness (hra) 80 Vickers hardness (hv) 1050 Moh's hardness (scale) =9 Thermal expansion (20-800 c, x10-6/ c) 8 Crystal size (m) 1.3-3.0