In general, ordinary notebook pages use between 400 or 500 grams of paper make cover, the inside page is used in 70 grams or 80 grams of ordinary paper. Because of the better physical properties of Kraft paper, it is generally possible to use lower grams of brown Kraft paper and white Kraft paper to meet the requirements. Generally, if you use Kraft paper to make the outer page, you can choose 400 grams or 450 grams Kraft paper. And for inside page, you can choose between 50 grams or 70 grams of Kraft paper to meet the demand.
The brown Kraft paper, which is usually used to make the outer pages of the notebook, is specially treated, while the brown Kraft paper on the inner page is smoother and the color is lighter. Light color mainly plays a better role in protecting the eyes, paper smoothness is mainly to have a better writing effect Kraft paper properties. White Kraft Paper, American Bull card, refined Kraft paper, writing papers, etc. are all Kraft paper for notebooks production.