300gsm White Cardboard Wholesale
300gsm White Cardboard ia a kind of high quality, durable and eye-catching material that has been used for decades in a variety of applications, from menus, monthly desk calendars and postal postcards to packaging and display boards. Its versatility and superior strength makes it an ideal choice for any project requiring a reliable, attractive and long-lasting finish. Its surface is perfect for printing, ensuring a sharp and vibrant result with each and every creation. With its superior quality, 300gsm White Cardboard is the perfect choice for any professional project.
Parameters of 300gsm White Cardboard
300gsm White Cardboard Descriptions
Physical properties
Unit
Tolerance
300
Grammage
g/m2
300
-0.4
Thickness
μm
300±10
Stiffness（CD） ≥
mN.m
4.5
Surface water absorption（Cobb60）≤
Positive
g/m2
30
Back
38
Brightness(ISO)
%
Positive： 92.0±2.0, Back: 87.0±2.0
Roughness（pps）
μm
≤1.0
Lustrousness(750) ≥
%
50
Folding resistance ≥
20 times
Dirt count
pcs/m2
0.2-1.0mm2≤20 pcs,≥1.0mm2 None
Moisture
%
6-8
Surface strength ≥ (IGT)
m/s
TD≥1.5 CD≥1.2
Feature of 300gsm White Cardboard
300gsm White Cardboard is strong, durable and versatile, making it suitable for both indoor and outdoor use. It is exceptionally resistant to tearing, creasing and wrinkling. It is also available in a range of sizes, allowing you to find the perfect fit for any project.
