Introduction
Heat stability, mill aging EN 12877-1 + 4 Test specimen preparation 53775-2 Red lead: Specification 510 D 49 55916 D83 Reflectance factor; paper, cardboard: Fluorescent 53145-2 Nonfluorescent 2469 53145-1 Reflectometer (gloss assessment) 2813 E 430 67530 D 523 Residue on sieve: By water 787-7 53195 Mechanical method 787-18 ISO 787-18 EN ISO 787-18