GWKP100751
Plastic
Gel-Ink
Color
Stick Pen
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
Stick function erasable gel pen with ergonomic soft grip design, triangle body, school and office use, rubber coating available, ideal for left hand and right hand use, stream line body, writing smooth, 0.5/0.7mm tip,
Greenwill quality standard:
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
