100% pure wood pulp, high whiteness, high texture, suitable for double-sided copying, quality service at competitive price.Features and Benefits: 1. Excellent image clarity & contrast. 2. High opacity and thickness. 3. High performance for both side printing/copying. 4. Optimized smoothness on both surface. 5. Uniform toner/ink absorption to provide good print evenness. 6. Paper dimensionally stable. 7. Guaranteed for trouble-free operation.substance: 70/75/80GSM in weight Size: A4(210mm* 297mm), A3(420mm*297mm),8.5*11(216*279mm), 8.5*13, (216mm*330mm) ,8.5*14(216*356),11*17(279*432mm)There are two quality: 1. Mixed wood pulp(ordinary quality, and ordinary brightness) 2.100% wood pulp (Super quality, and super brightness) further more, their quality also depend on its brightness 98%-102% brightness(super quality, super brightness) 106%-%108 brightness(high super quality, high super brightness) Specifications: Super premium multi-purpose A4 papers no recycling Basic weight: 70, 75, 80G/M2 Whiteness: >98% Thickness: 103-110umSurface roughness TSml/min: 75-175HB No. 1 copy paper is the leader brand of our factory, which have three years development, and have a ready market in North America South America, particularly in the USA, Canada, Brazil and other countries. What is more, now this brand is popular in the Middle East. (1)Application: Is suitable for the digital duplicator, the laser printer, the ink-jet printer and the facsimile machine. (2) product performance organization is even, the tailor is accurate, not have Paper Jam 2. The paper surface is smooth, photocopying document clear lifelike 3. Does not have the static electricity, the paper not adhesion 4. Paper color pure white luminous, the printing handwriting is clearer. 5. The opacity, both sides photocopying cannot the mutual influence 6. OEM service is offered. (3) Weight: A. A4 size 80GSM 2.49kg/ream 75GSM 2.33kg/ream 70GSM2.18kg/ream B. Letter size 80GSM 2.41kg/ream 75GSM 2.25kg/ream 70GSM 2.10kg/ream