JIS K 6921-2:1996 Plastics -- Polypropylene (PP) moulding and extrusion materials -- Part 2: Preparation of test specimens and determination of properties
2010JIS K 6921-2:2010 Plastics -- Polypropylene (PP) moulding and extrusion materials -- Part 2: Preparation of test specimens and determination of properties
2005JIS K 6921-2:2005 Plastics -- Polypropylene (PP) moulding and extrusion materials -- Part 2: Preparation of test specimens and determination of properties
1997JIS K 6921-2:1997 Plastics -- Polypropylene (PP) moulding and extrusion materials -- Part 2: Preparation of test specimens and determination of properties
1996JIS K 6921-2:1996 Plastics -- Polypropylene (PP) moulding and extrusion materials -- Part 2: Preparation of test specimens and determination of properties