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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Rotring Isograph and Variant Drawing Ink - 23 ml Bottle Black

Rotring Isograph and Variant Drawing Ink - 23 ml Bottle Black

Product ID: 81247290

Details

Brand
Rotring
Global Trade Identification Number
Item Volume
23 Millilitres
Package Information
Bottle
Paint Type
Watercolour

⚡Fast drying & waterproof

📄Lasts ~20,000 pages

🖋️23 ml precision ink volume

NT$547

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Description

🖤 Ink that keeps your ideas flowing flawlessly—because your work deserves the best.

LONG LASTING SUPPLY - One bottle covers approximately 20,000 pages—stay stocked and unstoppable.
SPEED MEETS DURABILITY - Fast-drying formula locks in your work instantly and resists smudging.
UNMATCHED LINE PRECISION - High-density pigment ensures razor-sharp, opaque lines every time.
TRUSTED GERMAN ENGINEERING - Crafted by Rotring for professionals who demand excellence and reliability.
VERSATILE MEDIA COMPATIBILITY - Flawless adhesion on tracing paper, vellum, and lineboard for all your projects.

Rotring Isograph Drawing Ink is a 23 ml bottle of high-density black ink designed for technical pens. It offers fast drying, waterproof performance with excellent adhesion on various drawing media, delivering outstanding print quality and lasting approximately 20,000 pages per bottle. Engineered in Germany, it’s the go-to choice for professionals seeking precision and durability in their technical drawings.

Specifications

ASIN	B000SO412G
Best Sellers Rank	#63,451 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #9 in Inks
Brand Name	Rotring
Container Type	Bottle
Country of Origin	Germany
Customer Reviews	4.3 4.3 out of 5 stars (2,785)
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 Highlight	High-density black refill ink for Rotring Isograph and Variant technical pens; smooth, opaque flow for drawing and lettering
Item Type	Technical Drawing Supplies
Item Weight	1 Ounces
Manufacturer	Newell Brands, https://www.rotring.com/uk/contact-us
Manufacturer Contact Information	https://www.rotring.com/uk/contact-us
Manufacturer Part Number	S0194660
Model number	S0194660
Number Of Items	1
Packer Contact Information	https://www.rotring.com/uk/contact-us
Paint Type	Watercolour
Unit Count	23.0 Milliliters
Warranty Description	1 Year Manufacturer

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NT$547

Duties & taxes included

In stock

Sold byAmazon TaiwanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Taiwan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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