--- product_id: 48147459 title: "rOtring Isograph Bottled Liquid Ink | Black | 23 ml Fountain Pen Ink" brand: "rotring" price: "KD 6.70" currency: KWD in_stock: true reviews_count: 10 category: "R Otring" url: https://www.desertcart.com.kw/products/48147459-rotring-isograph-bottled-liquid-ink-black-23-ml-fountain-pen store_origin: KW region: Kuwait --- # Jet black, high opacity Fully waterproof, quick drying 23 ml premium ink volume rOtring Isograph Bottled Liquid Ink | Black | 23 ml Fountain Pen Ink **Brand:** rotring **Price:** KD 6.70 **Availability:** ✅ In Stock ## Summary > ⚡ Ink that means business — make every line count! ## Quick Answers - **What is this?** rOtring Isograph Bottled Liquid Ink | Black | 23 ml Fountain Pen Ink by rotring - **How much does it cost?** KD 6.70 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/48147459-rotring-isograph-bottled-liquid-ink-black-23-ml-fountain-pen) ## Best For - rotring enthusiasts ## Why This Product - Trusted rotring brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Deep Black Brilliance:** Rich, jet black pigment with high opacity that stands out on tracing paper, vellum, and lineboard. - • **Waterproof Confidence:** Once dry, the ink is fully waterproof—not just water resistant—preserving your work against accidental spills. - • **Precision Flow, Zero Smear:** Engineered for flawless ink delivery in technical pens down to 0.1mm tips, ensuring crisp, smudge-free lines every time. - • **Versatile Artist’s Choice:** Perfect for technical pens, brushes, and dip nibs (with slight dilution), adapting to your creative needs. - • **Trusted Quality, Professional Grade:** A premium formula that prevents premature drying in pens, reducing maintenance and boosting reliability. ## Overview rOtring Isograph Bottled Liquid Ink is a 23 ml premium black ink designed for technical pens, offering jet black, high-opacity lines that dry quickly to a waterproof finish. Ideal for professionals and creatives working on tracing paper, vellum, and lineboard, it ensures smooth, smear-free precision even at ultra-fine 0.1mm tips. Trusted for its consistent flow and durability, this ink elevates your technical drawings and artistic projects with unmatched reliability. ## Description rOtring Isograph Bottled Liquid Ink | Black | 23 ml Fountain Pen Ink : desertcart.co.uk: Fashion Review: This is a high quality and reliable black ink primarily designed for use in technical pens - This Rotring ink selling at £4.83 for 23ml is expensive for Indian Ink. I dare say that Rotring have added their own additional ingredients which cheaper Indian Ink might lack. The result is a jet black ink which dries quickly to a slight lustre on suitable paper. It is fully waterproof, not simply water resistant. It works flawlessly in Rotring Isograph technical pens, right down to to the 0.1mm pen. The flow of the ink through the Isograph pens cannot be faulted. Used in Isograph pens it does not smear and does not leak underneath rulers, although the latter is aided by the Isograph nib itself. For use as a drawing ink with a brush or dip-nib I tend to dilute the ink with distilled water by 20% with no adverse results. Over-dilution will affect the capacity of the ink to adhere to a dip nib. As others have pointed out, the ink has to be decanted for non Isograph use because the dispenser of the container is only designed to refill Isograph pens. This is a high quality and reliable black ink primarily designed for use in technical pens but which has wider application. Review: Ideal product - Not a lot you can say about rOtoring ink. Like their pens they are the best. It's the perfect consistency for then pens and is a beautiful deep black in colour. It doesn't dry in the pens too quickly which mean you don't have to clean the pen every time you use it. Very pleased with the product. Again you get what you pay for. With technical pens it's a false economy to buy cheap inks. ## Features - Contains sensitizing substances. May produce an allergic reaction. - May cause an allergic skin reaction. - Drawing ink for paper - Suitable for tracing paper, vellum, drawing paper and lineboard. - Easy-flowing, high opacity, good adhesion ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000SO412G | | Best Sellers Rank | 11,346 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 12 in Bottled Ink | | Brand | rOtring | | Colour | black | | Customer Reviews | 4.6 4.6 out of 5 stars (2,511) | | Date First Available | 2 Oct. 2006 | | Ink Colour | Black | | Item Weight | 28.3 g | | Manufacturer | Newell Rubbermaid | | Manufacturer Part Number | S0194660 | | Material Type | Stainless Steel | | Model Number | S0194660 | | Number of Items | 1 | | Point Type | medium | | Product Dimensions | 9.88 x 3.38 x 1.9 cm; 28.35 g | | Size | 23 ml | | Tip Type | fountain | ## Product Details - **Brand:** rOtring - **Global Trade Identification Number:** 04006856032413, 04006856591170 - **Item volume:** 23 Millilitres - **Package information:** Bottle - **Paint type:** Watercolour ## Images ![rOtring Isograph Bottled Liquid Ink | Black | 23 ml Fountain Pen Ink - Image 1](https://m.media-amazon.com/images/I/61dUyyuBjrL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: Is this ink waterproof?** A: Hello,It is water‐soluble.It is not waterproof.Thank you. **Q: How can I thin this ink for small tip technical pens without diluting it?** A: 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. **Q: Does this ink work with alcohol markers?** A: 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. **Q: Can i use this ink with a rapidograph pen or only rotring isograph pen?** A: 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. ## Customer Reviews ### ⭐⭐⭐⭐⭐ This is a high quality and reliable black ink primarily designed for use in technical pens *by N***R on 13 November 2025* This Rotring ink selling at £4.83 for 23ml is expensive for Indian Ink. I dare say that Rotring have added their own additional ingredients which cheaper Indian Ink might lack. The result is a jet black ink which dries quickly to a slight lustre on suitable paper. It is fully waterproof, not simply water resistant. It works flawlessly in Rotring Isograph technical pens, right down to to the 0.1mm pen. The flow of the ink through the Isograph pens cannot be faulted. Used in Isograph pens it does not smear and does not leak underneath rulers, although the latter is aided by the Isograph nib itself. For use as a drawing ink with a brush or dip-nib I tend to dilute the ink with distilled water by 20% with no adverse results. Over-dilution will affect the capacity of the ink to adhere to a dip nib. As others have pointed out, the ink has to be decanted for non Isograph use because the dispenser of the container is only designed to refill Isograph pens. This is a high quality and reliable black ink primarily designed for use in technical pens but which has wider application. ### ⭐⭐⭐⭐⭐ Ideal product *by K***R on 25 August 2025* Not a lot you can say about rOtoring ink. Like their pens they are the best. It's the perfect consistency for then pens and is a beautiful deep black in colour. It doesn't dry in the pens too quickly which mean you don't have to clean the pen every time you use it. Very pleased with the product. Again you get what you pay for. With technical pens it's a false economy to buy cheap inks. ### ⭐⭐⭐⭐⭐ Very good quality...... *by I***Y on 20 October 2012* I purchased this ink for my Staedtler Technical Pens Staedtler Mars Matic Technical Drawing Pen Set 700S4M and am very pleased with it! I have actually owned my set of pens for twenty years (yes thats right, TWENTY YEARS!) but through a combination of care and quality they still work as good as the day I bought them. I have always used ink from Staedtler Staedtler mars matic paper Drawing Ink. Black 23ml. , but over the past few years it has become inceasingly expensive and difficult to find. I have been aware of 'Rotring' products for years and still have my Drawing Board Rotring College Drawing Board A3 S0314150 , so know of their quality and their reputation. However I am quite precious of my pens and have been reluctant to use another ink, but due to a delivery issue recently I decided to take the plunge and purchased this Rotring Drawing Ink. And very glad I am! In all honesty I can actually find no difference in the inks quality or performance, with only the lower price being a way to seperate the brands. The ink comes supplied in a 23ml plastic bottle, the plastic is clear so as to better see the amount left within, and the screw top reveals a 2mm nozzle that allows for accurate refilling of the pens. The ink is beautifully black and is of a consistency that is perfect for drawing on most types of paper, card and even tracing paper. It dries quickly, approximately 6 seconds on the heavy duty acid-free paper in my lovely Moleskine Sketchbook Moleskine Sketchbook . In the past I used my pens for producing technical drawings such as design plans for metal work components, but I don't have much call for that nowadays (!) and instead use them for sketching all manner of things in various sketchbooks and pads, this ink works perfectly for that and compliments my precious Staedtler pens a treat. I have a suspicion that I may be purchasing more of this Rotring ink in the future! ## Frequently Bought Together - rOtring Isograph Technical Drawing Pen, Liquid Ink, 23 ml, Black - Rotring Isograph Technical Drawing Pen, 0.35 mm - rOtring 1903394 Isograph Technical Drawing Pen, 0.1 mm --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.kw/products/48147459-rotring-isograph-bottled-liquid-ink-black-23-ml-fountain-pen](https://www.desertcart.com.kw/products/48147459-rotring-isograph-bottled-liquid-ink-black-23-ml-fountain-pen) --- *Product available on Desertcart Kuwait* *Store origin: KW* *Last updated: 2026-05-19*