This standard (Part 2 ) lays down the requirements regarding material, grade, types, sizes, construction, finishes and tests of wooden flush door shutters of cellular and hollow core type with particle board face panels ( both veneered and unveneered ) and hard-board face panels.
IS 2191 Pt.2-1983 history
1983IS 2191 Pt.2-1983 Specification for wooden swing door shutters (porous and hollow type) Part 2 Particleboard and cardboard panels