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Differences in Application between Gray-Backed White Card Paper and White Board Paper:
1. White card paper is characterized by high stiffness, burst strength, and surface smoothness (excluding embossed varieties). It features a flat, clean surface free from streaks, spots, or other defects, and exhibits no warping or deformation. This makes it suitable for high-quality printing and product packaging applications, including business cards, invitations, certificates, menus, calendars, and postal postcards.
2. White board paper is a type of cardboard with a white, smooth front side and a gray back. It is primarily used for single-sided color printing, particularly in the production of packaging boxes, as well as for design and craft projects.
Differences in Basis Weight between Gray-Backed White Card Paper and White Board Paper:
1. The basis weight of white board paper typically ranges from 200 g/m² to 450 g/m², including standard grades of 200 g, 230 g, 250 g, 300 g, 350 g, 400 g, and 450 g per square meter. Heavier weights may be laminated for enhanced thickness and durability.
2. The standard basis weights for white card paper are 170 g, 190 g, 210 g, 250 g, 300 g, 350 g, and 400 g per square meter.
Differences in Dimensions between White Board Paper and Gray-Backed White Card Paper:
1. Common sheet sizes for white board paper include 787×1092 mm (standard) and 889×1194 mm (large format). Roll widths are commonly available in 26", 28", 31", 33", 35", 36", 38", 40", 43", and 47".
2. White card paper shares the same common sheet dimensions: 787×1092 mm (standard) and 889×1194 mm (large format), with roll widths identical to those of white board paper.
Characteristic Differences between Gray-Backed White Card Paper and White Board Paper:
1. White board paper is manufactured using a multi-ply process on a multi-cylinder paper machine, where surface pulp and base pulps are layered sequentially. The paper typically consists of multiple layers-face layer, second layer, third layer, and sometimes a fourth layer-each with a distinct fiber composition tailored to the desired quality and performance characteristics.
2. White card paper is engineered to meet high standards of rigidity, tensile strength, and surface uniformity. It must maintain dimensional stability and exhibit a pristine surface suitable for fine printing and premium packaging.
Both materials offer excellent printability and serve distinct purposes. White board paper is predominantly used for color-printed packaging boxes, such as those for mooncakes, cosmetics, tea, crafts, footwear, stationery, photo albums, luggage, non-woven fabric storage, jewelry, apparel, and similar items. White card paper is widely employed in the production of business cards, gift boxes, certificates, invitation cards, book covers, rigid liners for garments, calendars, and postal cards.
