Title 

Perfect Stiffness Calipher 16 Calipher 18 Claycoat Board For Packing Boxes

Thickness 

305um, 365um, 430um, 550um 

Weight 

250gsm, 300gsm, 350gsm, 400gsm 

Material 

Mix wood pulp 

Coating side 

One side coated 

MOQ 

10tons for special size, 1ton for standard size 

Samples

Free A4 size 

City

Guangzhou city 

Properties

250gsm 

300gsm 

350gsm 

400gsm

Moisture ( % )

7.5±1.5

7.8±1.5

8.0±1.5

8.0±1.5

Stiffness( g.cm )

15/30

35/70

55/110

85/170

Top Cobb Value(g/m2)

≤50
 

≤55
 

≤55
 

≤55
 

Back Cobb Value(g/m2)

≤300
 

≤400
 

≤400
 

≤400
 

Brightness (Top)(%)

≥76

≥76

≥76

≥76

Folding EnduranceCD
(frequency)

≥12
 

≥10
 

≥10
 

≥10
 

Gloss(75°)(%)

≥35

≥30

≥30

≥30

Printing Gloss(%)

≥80

≥80

≥80
 

≥80

K&N Value(%)

23±5
 

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Roughness(um)

≤2.0
 

≤2.0
 

≤2.0
 

≤2.0