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400gsm cardboard
white cardboard sheet
white board cardboard

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 this kind of paper white cardboard a great choice for crafts, card-making, and other creative projects. With its bright white color, 400gsm White Cardboard is sure to make your project stand out from the crowd.

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Parameters of 400gsm White Cardboard


400gsm White Cardboard Descriptions
Physical propertiesUnitTolerance
400
Grammageg/m2400
+2/-6
Thicknessμm540±15
Stiffness(CD)  ≥mN.m5.5
Surface water absorption(Cobb60)≤Positiveg/m230
Back38
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 countpcs/m20.2-1.0mm2≤20 pcs,≥1.0mm2 None
Moisture%6-8
Surface strength   ≥   (IGT)m/sTD≥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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Looking for high-quality custom paper & cardboard? Xiaolong will be your good choice!

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Building 1, 40 Baotang Baota Road. Houjie Town, Dongguan City, Guangdong Province
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