Product Details

Specifications

offset copy paper uncoated woodfree paper:
1. Strong stiffness.
2. High quality.
3. Excellent folding endurance.

Product Description

offset copy paper uncoated woodfree paper

Application:

Can be used for magazines, color pages, catalogs, maps, calendars, calendars, covers, inserts, illustrations, product brochures, manuals, comics, cartoons, advertising posters, corporate catalogs, leaflets, notebooks, forms, office paper, business cards color marks and a variety of packaging goods.

The technical specification of offset paper
Grammage (g/m²)	60±3.0	70±3.0	80±3.0	90±3.5	100±4.0	120±5.0
Thickness ( um)	74±1	84±1	95±1	105±1	113±1	133±1
Ash content ( %)	23-25	26-28	28-30	28-30	30-32	31-33
Opacity ( %)	≥88	≥91	≥92	≥92	≥93	≥93
Longitudinal breaking length (km)	≥5.0	≥4.7			≥4.5
Folding strength (time)	≥15
Printing surface strength (m/s)	≥2.0
Moisture (%)	5.5-6.0
Chroma	L: 70gsm and below≥90 , 80gsm and above≥91 a:3.0-3.3 ,b: -13.5±0.3
Whiteness (%)	100-101
Smoothness (s)	≥30