A4 copy Paper 70g 75g 80g office paper A4 paper factory
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- Supplier: Hangzhou Boray Industry And Trade Co. Ltd.
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Product Overview
Description
Product Description
Premium 100% Wood Pulp A4 Copy Paper 80 GSM/75GSM/70GSM
.
Features:
1.100% wood pulp, high stiffness, two-sided printing with high speed ,Anti-curl quality reduces paper jams;
2. 500 sheets of paper guarantee in each ream.Welcome OEM.
Basis weight | g/m² | 70 | 75 | 80 | ||||
Caliper | um | 95 | 100 | 105 | ||||
Brightness | % | 103±1 | ||||||
CIE | 158±5 | |||||||
Opacity ≥ | % | 91 | 92 | 93 | ||||
Cobb | g/m² | 25-30 | ||||||
Smoothness | average of both side ≥ | s | ≥22 | |||||
difference of bothsides ≤ | % | ≤15 | ||||||
Roughtness ≤ | Mi/min | 200-350 | ||||||
Dirt/(0.3-1.5mm²) | Point/m² | ≤60 | ||||||
Stiffness ≥ | mN | 75 | 87 | 100 | ||||
Moisture | % | 5.0±0.5 | ||||||
Tensile stregth | MD | kg/mm | kg/mm | ≥4.5 | ||||
CD | ≥2.0 | |||||||
Wax picking | ≥14 | |||||||
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