This standard ( Part 1 ) covers general requirements of two grades of two-part polysulphide based sealants for use in general building applications, namely, pouring grade and gun grade. Pouring grade sealants are intended for use in horizontal joints. Gun grade sealants are intended for use in vertical and inclined joints ( that is, glazing applications ).
IS 12118 Pt.1-1987 history
1987IS 12118 Pt.1-1987 Specification for two-part polysulfide-based sealants Part 1 General requirements