The papermaking test of calcium carbonate in laboratory proves that, this kind of production used as a filling material in high-quality cigarette paper can improve the porosity, b rightness of cigarette paper, and more filling was reserved.
經(jīng)抄紙?jiān)囼?yàn)證明 ,該碳酸鈣產(chǎn)品對(duì)于提高紙張的白度、不透明度、留著率有比較滿意的結(jié)果 ,其理化指標(biāo)與粒度分布測(cè)試結(jié)果顯示符合卷煙紙?zhí)畛渲?/p>