80gsm A4 Paper

We are offering 80gsm a4 paper, computer pringing paperthermal paper rolloffice whitecolor copy paper,paper smoothing, moderate intensity, no flash, print clearly, processing, storage life long, the main features:no damage to the dust off your printer, excellent quality, complete specification, famous-brand products.the copy paper can be used to double-side copying,offset,jet print,handwriting and plain paper fax.
Specification
specification name units country standard test results test way judge
quantification gm2 80±4.0% 80 gbt451.2 qualified
thickness um ≥100 108±2 gbt451.3 qualified
smoonthness s ≥18 20 gbt456 qualified
opacity % ≥90 92 gbt1543 qualified
brightness % ≥80 96%±2 gbt7974 qualified
glue degrees mm ≥1.00 1.2 gbt460 qualified
dirt count 0.3-1.5mm2 pcsm2 ≤ 60 35 gbt1541 qualified
>1.5mm2 pcsm2 no need 0 gbt1541 qualified
moisture % 4.0~7.0 4.3 gbt462 qualified
cie whiteness 160