l.1 This standard specifies a method for measuring the wetting tension of plastic films (hereinafter referred to as films) and cartridge surfaces by contacting them with droplets of specific test solutions. …
JIS K 6768:1999 history
1999JIS K 6768:1999 Plastics -- Film and sheeting -- Determination of wetting tension
1995JIS K 6768:1995 Testing method of wettability of polyethylene and polypropylene films