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COATED ROLL PRINTING PAPER: COATING PIGMENT CONTAINS AT LEAST 50 GROUND CALCIUM CARBONATE AND LESS THAN 13 BINDER
COATED ROLL PRINTING PAPER: COATING PIGMENT CONTAINS AT LEAST 50 GROUND CALCIUM CARBONATE AND LESS THAN 13 BINDER
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机译:辊涂纸:涂料中至少含50%碳酸钙和少于13%粘合剂的涂料
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摘要
A coated roll printing paper suitable for printing with cold-set offset printing inks is based on paper containing paper fibres and mineral filler and has a coating containing ground calcium carbonate (CaCO3) pigment in a synthetic binder. The novel features are that: (a) not less than 50 wt.% of the pigment is a natural ground CaCO3; (b) all the pigment has a fineness of not less than 80% being less than 2 mu m; and (c) the dry binder fraction is less than 13 wt.% with respect to the pigment. Also claimed is a method of making the paper.
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