Cheap A4 Paper Office Paper Copy Paper
- Location: South Africa
- FOB Price: 2 ~ 2.5 / Box
- Minimum Order Quantity: 1600 Box
- Packaging Detail: 5 Reams per Box
- Delivery Time: 10 to 15 Days Day
- Supplying Ability: 10000 Box / Week
- Payment Type: T/T
A4 copy paper technical specification,
Grammage g/m2 | 70+2 -0.5 | 75+2 -0.5 | 80+2 -0.5 | 85+2 -0.5 | ||
Thickness um | 99±1 | 103±1 | 109±1 | 110±1 | ||
Ashes % | 16-18 | 19-21 | 20-22 | 20-22 | ||
Surface absorption g/m2 | ≤35 | |||||
Base weight tolerance % | ≤5 | |||||
Opacity % | ≥90 | ≥92 | ≥92 | ≥92 | ||
breaking length(direction) km | ≥4.3 | |||||
Folding Endurance Time | ≥12 | |||||
Moisture % | 5.0-5.5 | |||||
Expansion and contraction % | ≤+2.5 | |||||
Stiffness mN.m | ≥0.40/0.20 | ≥0.50/0.25 | ≥0.60/0.30 | ≥0.60/0.30 | ||
Whiteness % | 108-110 | |||||
CIE | ≥164 | |||||
Color | L≥91 a 3.1-3.5, b -18.0±0.3 | |||||
Smoothness s | ≥25 | ≥25 | ≥25 | ≥33 | ||
Top and back smoothness tolerance % | ≤25 | |||||
Dirt count pc/m2 | 0.2-0.5 mm2≤150; 0.5-1.5 mm2≤4; ≥1.5 mm2 wont have |