Technical of corrugated cardboard

Technical of corrugated cardboard

Paper

paper is one of the important factors to form the quality of cardboard and carton products, and is the main raw material of cardboard and carton. It can be divided into two main categories, namely, cardboard (GB13024-91) and corrugated cardboard (GB13023-91).

Draft oaoer

Used as a surface, inner or medium paper for corrugated boxes. Its quality grades are A, B, C and D. Among them, A, B and C are vermicelli. According to the color and surface treatment of paper, it can also be divided into white paper and kraft paper. www.chinacartonmachine.com

Corrugating paper

Used as base paper for corrugating in corrugated boxes. Its quality grades are divided into A, B, C and D. Generally speaking, A, B grade is called high strength corrugating base paper, C and D are medium strength corrugated base paper. According to the manufacturer, it can be divided into homemade paper and imported paper, and the imported paper can be subdivided into American card and Russian card.

Main technical indicators:

Quantitative (gram weight):

The weight of base paper per square meter (g/m2). Generally speaking, the current weight range is 100 g/m2 --400 g/m2.

Tightness:

An index equivalent to density, which refers to the weight of each cubic meter of base paper (g/cm3). Bursting index (kPa.m2/g) ring crush index (N.m/g) and so on, which reflect the physical properties of the base paper.