This standard specifies a method for testing the flow properties of molten plastics as affected by shear stress at speeds and temperatures similar to conditions during plastic molding processing. …
JIS K 7199:1999 history
1999JIS K 7199:1999 Plastics -- Determination of the fluidity of plastics using capillary and slit-die rheometers
1991JIS K 7199:1991 Testing method for flow properties of thermoplastics with a capillary rheometer