LJW A4 / A3 Превосходный высокого бумаги для копирования Белый

LJW SuperHigh white copy paperis a true work-horse which gives you clear crisp and excellent quality every single print/copy. It has exceptional formation and good smoothness to ensure consistent and problem-free copying.It is available in a variety of sizes and gsm for today's modern copy equipments.Features and benefits: •Pure woodenpulp neutral paper •Not easy to yellow or become fragile •Easy to store all kinds of files for long time •Superbhigh white •Outstanding printing effect •Suitable for important files and documents •High image contrast, clarity and sharpness•Without paper jam or double feedingSpecifications: 1 Basic Weight: 70 gsm 80 gsm 2 Thickness:≥93um 3 Bulk: ≥1.3 cubic cm/g 4 Bending stiffness: ≥75mN(MD) ≥32mN(CD) 5 ISO Whiteness: 103 105% 6 Hue: L≥91%; a:3.5 4.5 b:-17.o 18.5 7 Opacity: ≥90% 8 Cobb Test: 20.0 35.0 gsm 9 Sizing: ≥1.0mm 10 Breaking Length : ≥3.2 Km(MD) 11 Printing Surface Strength: ≥2.50 m/s 12 Ash Content 575°C: 15 20% 13 Smoothness: (average of the posititive and negative)≥20 (D-valuebetween the positive and negative)≤20 14 Dirtcount: 0.3 1.5 square mm…………………≤24 piece/square metre 0.5 1.5 square mm…………………≤5 piece/square metre >1.5 square mm………………… 0 15 Moisture: 4.0 5.0%