Fire Clay Mortar For Fire Clay Refractory Bricks, Gr-I ( Fine ) Type Mda To Is: 195/1991 Or La Test. Party To Submit Oem /Authorization Certificate With Warranty.(Shop No.03) [ Warranty Period: 30 Mo Nths After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]