China manufacture 100% imported wood pulp Blue image Black image 50/55/62/75/68gsm CB CFB CF NCR paper/ carbonless paper

Grades

Blue Image/ Black Image

Regular basis weight (gsm)

CB   white: 55

CFB  colored: 50

CF   colored: 55

Basis weight variation

±5%

Caliper Variation (CD)

≤5μm for 50GSM or less GSM

≤7µm for 50GSM or greater GSM

Paper Density

0.70-0.85 g/cm3

Opacity

≥65%

Smoothness (CF side)

≥70s

Whiteness

≥90%

Thickness

65μm  CB

60μm CFB

65μm CF

Chromatic deviation

≤2.0% (coated side for tinted grades)

Curls

≤12 mm

Imaging Sensitivity (6 ply prints)

ΔE≥40% ΔD≥40%

Surface strength (medium viscosity printing ink)

≥0.55 m/s (printing side)

Light resistance (residual ΔE after 144 hrs)

≥50%

Friction resistance (Δ E)

≤5%

TSI (MD)

≥60 N.m/g

Surface PH

6.0-9.0

Moisture on delivery

6.5% ± 2.0%

Image Life

7-10 years

It should be stored in a ventilated and dry room without sunlight, and should be strictly protected from rain, snow and ground moisture.