Tender For zirconia based high temperature reftactory coating.a) density 2.90gm/cc b) shrinkage at 12 00 deg c < 0.16% c) temperature resistance 1500 deg c typical chemical composition1 zro2 63.00% 2 si o2 28.86% 3 b2o 3 0.63% 4 al2o3 0.85% 5 tio2 0.34% 6 fe2o3 0.068% 7 cao 0.91% 8 mgo 0.34% make: sipro - zir kote, zircoat ht or substantially equivalant.note: i) powder to be mixed with water appliciabl e. ii) shelf life - 11 months minimum from the date of receipt at rwf.iii) material shall be tested in nabl ac credited laboratories for chemical composition. test certificate to be provided along with the supply of the material. [ warranty period: 15 months after the date of delivery ]