Hangzhou Yeyi Co.,Ltd

Paper Core Paper Tube

	250-450GSM Duplex Board & Triplex Board

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Duplex board & triplex board
Substance: 250-450gsm
Packing: ream wrapped, film wrapped and wooden pallets (with angle protector)

Triplex Board

Substance Unit 250 g/m�300 g/m�350 g/m�400 g/m�
Tolerances g/m�4 ~ 5 4 ~ 5 4 ~ 6 4 ~ 6
Moisture % 6.5±1.5 7.0±1.5 7.0±1.5 7.5±1.5
Thikness um 290±15 355±15 420±15 485±15
Cd Stiffness ≥ m N� 2.3 3.8 5.8 9.5
Cd Tolerance ≤ % 6
Whiteness ≥ % 79
Smoothness ≥ S 45
Cd Breaking ≥ times 4(5)
Surface Water absorbance ≤ g/m�55
Printing Brightness ≥ mm 70
Printing Surface adhesion ≥ m/s 3(2)
Oil Absorbance % 25±5
Dust ≤ Pcs / m� 0.3~1.5mm�20 1.0~1.5mm�1

Duplex Board

Substance Unit 250 g/m�300g/m� 350 g/m�400 g/m�450 g/m�
Tolerances g/m�4 ~ 5 4 ~ 5 4 ~ 6 4 ~ 6 4 ~ 6
Moisture % 6~8 7~8.5 8~9.5 8.5~10.5 8.5~10.5
Caliper Micron 32~34 38~40 44~46 49 ~51 57 ~59
Md Stiffness ≥ m N� 3.2 4.75 7.3 9.8 13.4
Md Tolerance ≤ % 6
Whiteness ≥ % 79
Smoothness ≥ S 45
Md Breaking ≥ times 4(5)
Surface Water absorbance ≤ g/m�55
Printing Brightness ≥ mm 70
Printing Surface adhesion ≥ m/s 3(2)
Oil Absorbance % 25±5
Dust ≤ Pcs / m� 0.3~1.5mm�20 1.0~1.5mm�1 ≥1.5mm�

Related Keywords: duplex board , triplex board , coating paper , paper

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