insulating and refractory materials supply of insulating and refractory materials required for reformer tube replacement job in m-ii plant of apl , calcium silicate blocks: , hysil calcium silicate insulating block, size: 600x300x65, type: e1 (grade: hysil-1100) , insulating block type-e, size: 600x300x75 (hysil calcium silicate grade: hysil-1100, shapes as per drawing & sizes mentioned) , insulating block type-e, size: 600x150x75 (hysil calcium silicate grade: hysil-1100, shapes as per drawing & sizes mentioned) , calcium silicate block, size: lbt – 1 (insulating bricks, type - c) , calcium silicate block, size: lbt – 2 (insulating bricks, type - c) , refractory bricks: , refractory fire bricks, type – c, size: tsr – 1 , refractory fire bricks, type – c, size: tsr – 2 , refractory fire bricks, type – c, size: tsr – 3 , refractory fire bricks, type – c, size: tsp – 1 (92odx42id rigid pipe in 2 section)((insulating bricks, type - c, tsp-1) , misc items: , 16mm dia asbestos rope , loose ceramic fibre (grade: 1260 degree) , 24 swg ss wire, aisi 304 , 8/5? ss ‘y’ sprag with ms nut, aisi 304 / ‘y’ type anchor with nuts & washers , 5/6? ss ‘v’ sprag, aisi 304 / v – anchor, 50mm ht.x 6mm dia ss310 , 3mm (10swg) ?x75x75 sq wire mesh x 475/1.03 wide, quality: s.s , 6mm dia ss rod, ss310 , freight charges upto apl, namrup