Colortec CSI

◈ Colortec CSI

Colortec CSI
Colortec CSI is an ink made by milling / dispersing carbon black to nano size and is used in the pen for water-based computers. It can recognize and marking all types of OMR card. In addition, it does not spread, and is not erased by various drugs such as water, bleach, thinner. And even if you keep a written document for a long time, it does not fade or discolor.


Features
⊙ Non-spread
⊙ Good spillage and smooth writing
⊙ All types of OMR cards can be recognized
⊙ Long-term storage does not fade or discolor

Properties

pH
6.0 ~ 9.0
Specific gravity
1.00 ~ 1.10
Viscosity
2.0 ~ 4.0 cP
Conductivity
0.7 ~ 1.3
Surface tension
30.0 ~ 45.0 dyne/cm
Packing
⊙ 25kg in plastic square drum
⊙ 30kg in plastic open drum
⊙ 100kg in plastic open drum

Certificates
⊙ ASTM D 4236
⊙ EN - 71 part 3 / part 9
⊙ LHAMA
⊙ TRA

Color Shade(※ The actual color may be different from the color chart below.)