Gel Pen Ink Pigment Base

Special features

  1. Very smooth in writing
  2. Water Base Ink
  3. Instant dry on paper
  4. Long shelf life

Component - Materials

  1. Very smooth in writing
  2. Water Base Ink
  3. Instant dry on paper
  4. Long shelf life

Physical Properties: Basic Colours

PropertiesBlueBlackRedGreen
Ref.SG 400 BLUSG 400 BLKSG 400 REDSG 400 GRN
Brookfield Viscosity at 25°C, 12 rpm by 63 LV Spindle (cps)2000 ± 2002000 ± 2002000 ± 2002000 ± 200
Sour Alkalinity (pH)7.728.338.567.89
Surface Tension (d/cm)39393839
Specific Gravity (g/cm³)1.02151.0351.05511.0519
Particle size (µ)0.3 - 0.50.3 - 0.50.3 - 0.50.3 - 0.5
Water ResistanceExcellentExcellentExcellentExcellent
WritingSmoothSmoothSmoothSmooth
Pigment % in ink7%7%7%7%
Tip Used (CRI / WI / ESSEM)0.5 - 0.6 mm0.5 - 0.6 mm0.5 - 0.6 mm0.5 - 0.6 mm

Special Colours Available

Certifications

Available Packaging

Shelf Life And Storage Instructions

Shelf Life :

  1. Centrifuge speed – 1000 rpm & centrifuge time – 10 min.
  2. Minimum 2 years when stored in tightly sealed containers under proper conditions.

Storage Instructions :

  1. Store in a cool, dry place away from direct sunlight.
  2. Keep containers tightly closed when not in use.
  3. Avoid exposure to temperatures above 50°C for extended periods.
  4. Ink remains stable under normal storage conditions.
  5. Shake or stir well before use if settled.
  6. Keep away from ignition sources and open flames.

Ink Compatibility

  1. Compatible with rollerball and gel pen tips (including needle and conical types).
  2. Suitable for tip sizes ranging from 0.5 mm to 1.0 mm
  3. Works well in plastic refills with controlled ink flow mechanisms.
  4. Ideal for pens using a pressurized or gravity-based ink feed.
  5. Designed for use in pigment-compatible writing systems for smooth and skip-free writing.
  6. Performs well in pens tested under high temperature and long-duration writing tests.
  7. Available in standard (Blue, Black, Red) and Special colours on request.

Application Photos