CNS 13417-1994
Method of Test for Brightness of Mineral Fillers and Pigments (Diffuse Blue Reflectance) for Paper Making (English Version)
- Standard No.
- CNS 13417-1994
- Language
- Chinese, Available in English version
- Release Date
- 1994
- Published By
- Taiwan Provincial Standard of the People's Republic of China
- Latest
- CNS 13417-1994
- Scope
- This standard stipulates a method for measuring the whiteness of clay and other mineral pigments after they are ground and made into uniform and compact powder plates under certain conditions. It is specifically used to measure the whiteness of papermaking fillers or coatings and is not suitable for high-temperature applications. Colors and other pigments. Remarks: This method uses the geometric characteristics of hemispheric diffuse irradiation generated by a light collecting sphere and vertical observation to measure whiteness. Due to the use of diffuse irradiation, the surface structure of the sample changes.
CNS 13417-1994 history
- 1994 CNS 13417-1994 Method of Test for Brightness of Mineral Fillers and Pigments (Diffuse Blue Reflectance) for Paper Making
