Stability:No settling in 2 years (at normal storage) Temperature:-12C no frozen and 50C no gelling Light Fastness:7-8BWS Water Fastness:5 (Excellent) Gas Fastness:5 (Excellent) Rubfastness:5 (Excellent) Waterproof ink Fading-resistant/UV-resistant: This ink won't fading before 3 years posting outdoor and 200 years in album.
Shelf life time: 2 Years.
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