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Contact SupplierWe 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