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Main ingredient of all paper is cellulose fibers obtained from plant. For higher brightness and better printability, loading or filling material such as clay, CaCO3, Talc, TiO2 etc. are added to mix .

Rosin, alum or combination of other chemicals is used to make paper water resistant.

Some special purpose paper such as coffee filter paper contain wet strength polymer so to withstand hot water soaking. Colored paper may contain dye or pigment.

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16y ago

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