400gsm White Cardboard Wholesale

400gsm 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.

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