Special paper fibers added in the brown kraft paper enhance the flexibility in order to ensure the paper can tolerate a strong pull and remain in one piece. Kraft paper is available in a number of types, including one-sided coated kraft paper, two-sided coated kraft paper and ribbed kraft paper. Two sides of the brown kraft paper are both brown. Normally the gram stands for the thickness, and different-thicknesskraft papers are used in different fields.
Brown kraft paper is typically used as packaging paper, envelopes, paper bags, cylinder-packing, and more. The kraft paper is also widely utilized as the packaging material for paper boxes and paper bags of high-end products.
Under 80G (including 80G): food packaging bag;
100G-150G: paper handbag;
175G-250G: soft paper box or thicker card;
300G-450G: cardboard box, cake box, no need of finishing