loading material; filler
Technical term used in papermaking for materials added to the pulp to improve properties like opacity, smoothness, or printability.
Calcium carbonate is often used as a filler.
The texture of the paper changes depending on the type of filler.
Standard kanji form for this technical term.
Variant using the older form of the first kanji; rarely encountered.
Compound of 填 (fill, stuff) and 料 (material). The exact historical derivation is uncertain, but the term is used in modern technical contexts for papermaking fillers.