What is the difference between gray background white cardboard and whiteboard paper

Whiteboard paper is harder and thicker than gray background white cardboard. White cardboard is smoother, whiter, and has a smooth white surface on both sides; White board paper usually has a smooth white surface on one side and a rough gray surface on the other.

Usage difference:

White cardboard is suitable for printing and product packaging, and can be used for invitations, certificates, menus, month calendars, postal postcards, or similar products.

Whiteboard paper is a type of cardboard with a smooth white front and a mostly gray back. This type of cardboard is mainly used for single-sided color printing to make cardboard boxes for packaging.

Weight difference:

1. The weight of gray background white cardboard is divided into 200 grams, 230 grams, 250 grams, 270 grams, 300 grams, 350 grams, 400 grams, and 450 grams. The weight here represents per square meter per gram.

2. The conventional weight of whiteboard paper includes: 230g, 250g, 270g, 300g, 350g, 400g, 450g, 500g, etc.

Characteristic differences:

Whiteboard paper is made from surface slurry and various layers of bottom slurry on a multi round mesh multi drying cylinder paper machine or a long round mesh mixed cardboard machine. Pulp materials are generally divided into surface layer, second layer, third layer, and fourth layer. The fiber ratio of each layer of pulp material is different, and the fiber ratio of each layer of pulp material varies depending on the quality of the paper being made.

Grey background white cardboard has high stiffness, tear resistance, and smoothness (except for white cardboard with embossed patterns). The paper surface is flat, the appearance is clean, and there are no streaks, spots, etc., and there is no warping or deformation.