Making portfolio generally made of kraft paper, if there are special requirements, according to the material of customer specific requirements of raw material production. However, the grade of kraft paper, the quality will be different. So special attention to the quality of customers not only to listen to the price, some of the paper is more fragile, no gloss, not strong; some paper toughness, high gloss, strong and durable. Now the product is really a part of the price of goods! Now custom file bags commonly used paper to do a simple introduction, so that we can make a choice of documents for their own paper.
1, white kraft paper
White kraft paper resistance to high toughness, pure wood pulp manufacturing, can be environmentally friendly recycling. Widely used in the production of environmentally friendly products such as handbags, file bag. Because of its fine luster, printing effect is full, printing space is wide, elegant, elegant, deeply loved by everyone, commonly used paper thickness 150 grams, 180 grams, 200 grams, 250 grams.
2, yellow brown paper
We often say that the kraft paper, generally refers to the yellow brown paper, durable and strong, good toughness, usually yellow, widely used in shopping bags, envelopes, bags, etc.. Kraft paper is collectively, breakdown is also included for acid free paper, paper pulp, bamboo pulp and paper and paper imports, because of its raw materials and manufacturing process of different paper, so there is a difference. Commonly used thickness of 120 grams, 150 grams, 180 grams. Kraft paper is generally suitable for printing monochrome or color and color is not complicated layout.
3, white cardboard
White cardboard strong thick, high stiffness, smoothness, white cardboard printing effect, color, texture and full good, suitable for printing high-grade products, but the price is relatively kraft paper. The commonly used paper thickness is 230 grams, 250 grams, 250 grams is the most used white card.
4, box board paper
Box board paper is the most low-grade paper, printing effect is poor, the use of a short period, but because of its low price, in the market share of a certain share, the use of large, high frequency, and the quality is not high, the time can choose box board paper bag. The paper is commonly used in thickness 120 grams, 150 grams, 180 grams.
5, shuangjiaozhi
Double adhesive tape is one of its culture, printing paper paper represents a, general double gummed paper 80 grams, 100 grams, 120 grams, 140 grams of used most widely, mainly used to as a conventional writing notes and envelope paper.