Can you use it in a fountain pen?

Do not use this ink in a fountain pen. This ink has pigments - think of tiny granules of pigment suspended in water. Those granules will clog a fountain pen feed over time. True fountain pen inks have no floating particles. This ink is for dip pens (no ink reservoir, just dip and write) or brush painting only.

Can this be used on smooth bristol paper? I read that sumi ink only adheres to rice paper, but I'm not sure about the validity of that claim.

Well, I've used it on smooth bristol paper, as well as a number of other types of paper and had no problems at all when it comes to the ink adhering to any of them.

Can i put this in a bingo dabber ? and use for poster boards? also if i paint over it would it seep through ?

I wouldn't put it in a dabber for Bingo. It's Chinese liquid stick ink. You want something that is water soluble. Depending on the paint over ink, it might seep through. Mainly a calligraphy/drawing ink.

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SUMI INK 12OZ BLK W/SHELLAC

Product ID: 293316693

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Details

Brand
Yasutomo
Package information
Bottle
Paint type
Oil
Item volume
354.88
Global Trade Identification Number

⏳Lightfast for lasting artwork

💧Waterproof finish

🖤Rich, deep black pigment

Description

🖤 Elevate your art with sumi ink that’s as bold and timeless as your vision.

GENEROUS VOLUME - 12oz bottle offers ample supply for both professional and passionate creators.
PURE BOLD BLACK - Crafted from high-quality vegetable soot for intense, vibrant black tones.
EFFORTLESS CREATIVITY - Skip the grind—ready-to-use liquid sumi ink saves you time and hassle.
ENDURING MASTERPIECES - Lightfast formula ensures your art stays vivid and fade-resistant over time.
WATERPROOF CONFIDENCE - Seals your work with a waterproof finish, perfect for mixed media projects.

Yasutomo Sumi Ink is a premium 12oz liquid ink made from high-quality vegetable soot, delivering rich black pigment with lightfast and waterproof properties. Designed for artists seeking convenience without compromising traditional sumi ink quality, it eliminates the need for grinding ink sticks, making it ideal for professional and hobbyist use alike.

Specifications

Product Dimensions	7.87 x 13.46 x 7.62 cm; 408.23 g
Item Weight	0.9 Pounds
Item volume	354.88 Milliliters
Batteries required	No

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