JIS

Plastics -- Epoxy resins -- Determination of electric conductivity of resin aqueous extracts (FOREIGN STANDARD)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2005

Double wall polyethylene pipes for water supply
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2004

Pinhole test method of lined films for corrosion prevention (FOREIGN STANDARD)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2008

Crosslinked polyethylene (PE-X) pipe fittings
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2004