China Thermal Paper Coating Agent -BPS, Find details about China Thermal Paper, Color Development Reagent from Thermal Paper Coating Agent -BPS
Thermal paper coating AIDS can be provided as follows:
product name | 4,4'-Dihydroxydiphenylsulfone |
Appearance | White Powder |
Assay | 99.5%min. |
2,4-BPS | 0.5%max |
Moisture | 0.8%max |
Ash % | 0.5%max |
APHA | 40max |
Fe content | 10ppmmax |
Melting Point | 245-250 deg C |
Thermosensitive coating preparation:
(1)BPS+PVA+WATER------Grind until particle size is less than 1μm,
(2)The colour former agent and the color developing agent cannot meet before grinding, cannot grind together but can grind separately with the sensitizer
(3)The grinding temperature shall not exceed 70ºC