KP202101
Plastic
Gel-Ink
Color
Click
Bullet Type
Non-Disposable
Erasable
Office & School Pen
With Logo Printing
Erase and Rewrite, Friction Ink
Black, Blue, Red, Green, Pink, Purple
Longer Writing Length
with Ergonomic Soft Grip Design
Logo Printing and Film Printing
greenwill
Color Box, Display
China
Product Description
Promotional novel erasable gel pen, side retractable erasable gel pen with ergonomic soft grip, high quality rubber coating gel pen, friction function, nice looking gel pen with vivid cartoon pattern, school and office use, fashion school gift pen, writing smooth, 0.5/0.7mm tip,
1. ink shelf life:
>18 months
Normal quality ink shelf life: 12 months or less
2. ink safety testing standard:
EN71-3/9, SVHC, PAHS
Normal quality ink: EN71-3 or no testing
3. Ink temperature limit
Greenwill ink:
High Temperature limit: 63ºC
Low Temperature limit: -18ºC
Normal quality ink:
High Temperature limit: 50ºC
(the ink color is quite risky to fade in hot weather)
Low Temperature limit: 0ºC
(the erased color is quite risky to appear again in cold weather)
4. Ink grain size:
A: Smaller size reduce the risk to block the pen tip after writing for some time
Tinlong ink: 0.3-0.8μm, 0.6μm in average
Normal quality ink: 1-5μm
