White Cardboard
Characteristics and uses
Physical characteristics
white cardboard is a strong, thick, quantitative paper with smooth surface, calendered and high stiffness, also known as thin cardboard. Its fiber structure is uniform, the surface layer is composed of filler and rubber, the surface is coated with a certain amount of paint, after multi-roll calendering treatment, the quality of cardboard is denser, uniform thickness.
High whiteness and smoothness
White cardboard is famous for its high whiteness and smoothness; Grade A whiteness is not less than 92%, Grade B is not less than 87%, and Grade C is not less than 82%. Its surface is very smooth and has a fine texture, providing a bright background that makes printed text and images clearer and more prominent.
Environmentally friendly
Many white cardboard products focus on environmental protection and are made from renewable resources or environmentally friendly materials, which is in line with the green and environmentally friendly concepts of modern society.
Wide range of applications
White cardboard is widely used in printing, packaging, advertising and art. Specific applications include business cards, invitations, certificates, trademarks, pharmaceutical packaging, wine box packaging, electrical packaging and various types of handbags.
Production requirements
High whiteness
White cardboard has high whiteness requirement, A grade whiteness is not less than 92%, B grade is not less than 87%, C grade is not less than 82%. More than 90% whiteness will make the paper look “bright and shiny”.
High hardness
white cardboard requires high hardness, good resistance to cracking, high flatness, paper surface flat, no mottling, spotting and other paper diseases.
