Features:
Water-resistant:
This ink is waterproof ink.
Fade-resistant:
This ink will not fade before 3 years posting outdoor and 200 years in album
Specification:
Smell: Slightly ammonia odor
PH:~8
Particles:<0.5 micron (Average<100 nanometer)
Stability: No settling in 2 years (at normal storage)
Temperature:-12°C no frozen and 50°C no gelling
Light Fastness:7-8BWS
Water Fastness:5 (Excellent)
Gas Fastness:5 (Excellent)
Rubfastness:5 (Excellent)