ASTM D789 Standard Test Methods for Determination of Relative Viscosity and Moisture Content of Polyamide (PA)
ISO 3105 Glass capillary kinematic viscometers - Specifications and operating instructions
JIS K 6920-1 Plastics -- Polyamide (PA) moulding and extrusion materials -- Part 1: Designation system and basis for specifications*， 2018-02-20 Update
JIS K 6920-2 Plastics -- Polyamide (PA) moulding and extrusion materials -- Part 2: Preparation of test specimens and determination of properties
JIS K 7250-4 Plastics -- Determination of ash -- Part 4: Polyamides
JIS K 7251 Plastics -- Determination of water content
JIS K 7367-1 Plastics -- Determination of the viscosity of polymers in dilute solution using capillary viscometers -- Part 1: General principles