400gsm White Cardboard Wholesale
400gsm White Cardboard – the ideal choice for a wide range of projects requiring a strong, reliable and aesthetically pleasing material. This heavyweight material is ideal for creating high-quality and durable prints, displays, packaging and signage. Its strong construction and superior stiffness are perfect for creating a professional end product, whilst its smooth white coating gives it a contemporary and stylish finish. Its versatility also makes it a great choice for crafts, card-making and other creative projects. With its bright white color, 400gsm white cardboard custom is sure to make your project stand out from the crowd.
Parameters of 400gsm White Cardboard
400gsm White Cardboard Descriptions
Physical properties
Unit
Tolerance
400
Grammage
g/m2
400
-0.333333333
Thickness
μm
540±15
Stiffness（CD） ≥
mN.m
5.5
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月8日
Surface strength ≥ (IGT)
m/s
TD≥1.5 CD≥1.2
Feature of 400gsm White Cardboard
400gsm White Cardboard is a sort of heavy-duty cardboard, made of 400gsm paper and is known for its exceptional rigidity and solidity. Its superior thickness and strength make it a great choice for any project in which you need a reliable and strong material.
