Specification:-* Brand: NR COPIER A4 copy paper (Original)* Weight: 80gsm,75gsm,70gsm* Brightness: 102-104% above*Quality: Imported 100% Virgin Wood Pulp* Color: Natural White* Grade: All purpose Premium Paper* Sheet on Rim: 500* Material: 100% wood pulpTechnical specifications:--Brightness: 102-104% (Class A)-Wood Pulp: 100% Wood Pulp-White: CIE167-Capabilities: High Speed ââCopying 100ppm, Laser-Roughness: 140ml/min- Surface roughness TS/min: 75-175-GUEST HOUSE surface roughness/min: 100-200-MD bending stiffness: 110 Mn- CD bending stiffness: >50 Mn-Thickness: 101 Mm- Density: 0.72g/cm3-Roughness: WS 200~400ml/min-Roughness: FS 200~400ml/min-Brightness: 102%-Opacity: 95%-Pull MD: 6.2Kg/15mm- Pull CD: 2.5Kg/15mm- Humidity: 4.70%