Is this ink waterproof?

Hello,It is water‐soluble.It is not waterproof.Thank you.

How can I thin this ink for small tip technical pens without diluting it?

Thank you for your interest in our Rotring brand. This ink is only meant to be used with our Isograph line of pens and is not suitable for non-isograph technical pens.

Does this ink work with alcohol markers?

If you're asking if alcohol dissolves (smears) this ink, no, not in my experience. I use the Isograph pens (with this ink) for my marker drawings with no problem at all. I also use it to line my watercolor stuff, also no smearing.

Can i use this ink with a rapidograph pen or only rotring isograph pen?

Please be advised that only rOtring Isograph pens have refillable ink reservoirs ideal for drawers using bottle inks. The rOtring Rapidograph pens are compatible with rOtring 's unique capillary cartridges exclusively.

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Description

🖤 Ink your ideas with precision and never miss a line!

LONG LASTING INK RESERVOIR - 23 ml bottle delivers approx 20,000 pages of flawless, consistent ink flow for frequent professionals.
FAST DRY WATERPROOF FORMULA - Work confidently knowing your drawings won’t smudge or fade, even under intense scrutiny.
UNMATCHED PRECISION EVERY TIME - Achieve razor-sharp lines with high-density pigment and a wear-resistant tip designed for technical perfection.
COLOR CODED FOR SPEED ACCURACY - Quickly identify line widths and switch inks seamlessly to maintain your creative momentum.
EFFORTLESS MAINTENANCE REFILLS - Patented push-on sleeve and easy-clean design keep your pen pristine and ready for any project.

Rotring Isograph Drawing Ink in a 23 ml bottle offers professional-grade, waterproof, fast-drying black ink with outstanding print quality and adhesion. Engineered for architects, designers, and artists, it supports approx 20,000 pages per bottle and features a high pigment density for crisp, fade-resistant lines. Its easy refill system and color-coded barrels make it the go-to choice for precision technical drawing.

Specifications

ASIN	B000SO412G
Best Sellers Rank	#56,371 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #9 in Inks
Brand	Rotring
Brand Name	Rotring
Container Type	Bottle
Country of Origin	Germany
Customer Reviews	4.4 out of 5 stars 2,671 Reviews
Display Volume	23 Millilitres
Global Trade Identification Number	04006856032413, 04006856591170
Importer Contact Information	https://www.rotring.com/uk/contact-us
Included Components	1 Rotring Isograph Drawing Ink
Ink Colour	Black
Item Type	Technical Drawing Supplies
Item Volume	23 Millilitres
Item Weight	1 Ounces
Manufacturer	Newell Brands, https://www.rotring.com/uk/contact-us
Manufacturer Contact Information	https://www.rotring.com/uk/contact-us
Package Information	Bottle
Packer Contact Information	https://www.rotring.com/uk/contact-us
Paint Type	Watercolour
Unit Count	23.0 Milliliters
Warranty Description	1 Year Manufacturer

Reviews

D**L

Best

Best quality inka

28.09.2025

A**S

Great

Great quality. But still need to try for few more days.

16.04.2025

A**N

Great ink for Pilot Pens ☺️

Bought this after a long research. The official pilot ink they sell for some 15 rs is total crap. This one is awesome. Must buy if you have plans to refill and use your pens in the old school style. Recommend pilot v5, v7 and rorito tmax pens for best results.

25.07.2017

P**.

Best refiller

Fills my micron easily was hesitant to buy but very useful to fill microns or any outlining pens

7.03.2021

P**H

its black and quality is very good non erasable

i first clarified with rocket marketing..this is black color thanks for fast response..it got delivered within 3 days.. its black and quality is very good non erasable.. i got 23ml bottle comes with a nozzle attachment easy to use..thanks

25.05.2015

V**A

Ink worth the money

Should be more dark in color

12.12.2020

N**.

INK GOT WASTED but the product is good

WHY 3 STAR U ASK :- the product is awsm and water proof BUT THE SHIPPING WAS SOO BAD AND IT WAS LEAKING SOO MUCH THAT EVEN WITHOUT USING IT I LOST SOO MUCH INK #also takes a bit time to dry

7.12.2020

A**O

Nice

16.07.2023

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

2691 som

Duties & taxes incl.

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TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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Isograph and Variant Drawing Ink - 23 ml Bottle Black

Details

Description

Specifications

Reviews

Common Questions