Paper Packaging Industry Paper Knowledge

White cardboard: white cardboard firm thick, high stiffness and smoothness, paper formation, commonly used thickness is 210-300 grams of white cardboard, with the most is 250 grams of white card. Printed with white cardboard, full color, paper texture is also very good, is your first choice.

Gray board: gray board is a positive white and smooth, the back of the gray cardboard, the commonly used thickness is 250 grams to 350 grams, gray board side is white, one side is gray,

the price is relatively white cardboard A bit cheaper.

Copper paper: copper paper is characterized by very smooth and smooth paper, high brightness,

high smoothness, good gloss, but also to print out the graphics, the screen has three-dimensional, commonly used thickness of 128 grams -300 grams, copper The effect of paper printing

and white cardboard, the color is full and bright, compared with the white cardboard, stiffness and white cardboard.

White kraft paper: white kraft paper with high bursting strength, good toughness, high strength,

uniform thickness color stability, according to the relevant national regulations to control

plastic pollution, plastic bags will be replaced by environmentally friendly paper bags, white

kraft paper market prospects. 100% pure wood pulp manufacturing, environmental non-toxic, environmentally friendly recycling, white kraft paper toughness is very good, and no film, widely

used in the production of environmentally friendly clothing bag, high-end shopping bags. Commonly

used thickness of 120 grams to 200 grams of white kraft paper, paper without brightness and gloss,

white kraft paper is not suitable for printing ink too much content. White kraft paper Whether it

is domestic or imported are 100% full wood pulp kraft paper, add the waste can not do white, but

the white kraft paper and other paper prices much higher, so the cost of white kraft paper bags

will be higher.

Natural kraft paper (that is, kraft paper): kraft paper with high tension, high strength, usually brown, tear strength, rupture and dynamic strength is very high, widely used in shopping bags, envelopes and so on. Commonly used thickness of 120 grams -300 grams of natural kraft paper, kraft

paper is generally suitable for printing monochrome or color and color is not complicated manuscripts, relative to white cardboard, white kraft paper and copper paper, kraft paper the lowest price.

Black cardboard: black cardboard is characterized by delicate paper, through the heart of black, strong thick, good folding, smooth surface, good stiffness, good pull, high burst strength, commonly used thickness of 120 grams -350 Grams of black cardboard, because black cardboard, outside are black, so can not print color patterns, only for bronzing, hot silver, etc., to do the

bag is also very beautiful Oh.

Special paper variety, the effect of alternative ... ... specific reference pattern.