
Plastics - Determination of refractive index
出版:Japanese Standards Association

专家解读视频
This Standard specifies test methods for determining the refractive index of plastics, namely; Method A : a refractometric method for measuring the refractive index of moulded parts, cast or extruded sheet or film, by means of a refractometer; Method B : an immersion method (making use of the Becke line phenomenon) for determining the refractive index of powdered or granulated transparent materials by means of a microscope.
ISO 489:1999 - Equivalent