Description
Octopus Fluids Document Ink black is a high-quality, document-proof ink for fountain pens, specially developed for professional use in offices. With its strong black color and pigmented formula, it meets the highest demands for water, light, and smudge resistance – certified according to DIN ISO 12757-2 by the independent PTS institute.
This writing ink is particularly suitable for creating legally compliant documents, signatures, and certificates. It withstands the requirements of German service regulations for notaries, state ministries of justice, the Federal Budget Code, and other official specifications, making it the ideal writing material for notaries, judges, government officials, and anyone who needs the highest quality and security in written communication.
The pigmented formulation with a reduced binder content ensures optimal ink flow and facilitates cleaning of the fountain pen. The ink is vegan, label-free, and exhibits outstanding chemical resistance to ethanol, hydrochloric acid, ammonia, and bleach. The practical 30 ml glass bottle allows for elegant and long-lasting use in professional everyday life.
Trust Octopus Fluids Document Ink black for unparalleled security, longevity, and an elegant script – perfect for anyone who values the highest reliability and quality.
Datasheet
Shipping & Returns
The future belongs to companies actively committed to climate protection. That's why we use DHL's GoGreen service to offset CO2 emissions from shipping our products. DHL uses the proceeds to support climate protection projects for emissions offsetting.
Your ordered goods will be sent in an insured parcel via DHL or DPD. Please note that for cash on delivery payments, an additional fee of €2.00 will be charged by the delivery person on site. Please also note that for shipments to non-EU countries, customs may charge additional fees.
Most of the products offered are in stock. Writing instruments and all other products will be sent to you in a padded box. You can find our delivery times on the product detail page and in the shopping cart.
If your product is not available in stock or if it is a custom-made item, this information will be displayed accordingly. We will ship these items as quickly as possible after completion or after receiving the goods from the manufacturer, which means approximately 2-4 days if you order express, otherwise 6-14 days. Only in exceptional cases can this take up to 4 weeks; if anything is unclear, please contact us.If for any reason you wish to return part or all of your order, this is possible within 14 days.
To do this, you must send the products you wish to return with a copy of the invoice to the following address:
Penoblo GmbH
• In den Erlen 8
• 75248 Ölbronn-Dürrn
• Germany
For all time indications in days stated on our website, we refer exclusively to working days. Working days are all days from Monday to Friday, with the exception of public holidays and weekends (Saturday and Sunday). This means that all deadlines and delivery times expressed in days only take working days into account and may be extended accordingly if they fall on a Saturday, Sunday, or public holiday. These days are not counted when calculating deadlines and delivery times. Please observe this regulation to avoid misunderstandings regarding delivery dates or deadlines.

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Complete your writing experience.
Family Start-up with Expertise
Our family business is rooted in Herrenberg and has been working since 2016 to offer you not just products, but experiences. The satisfaction and personal advice of our customers are our driving force and the heart of our philosophy.
Sustainable packaging
Our packaging is FSC-certified, made from environmentally friendly materials, and reusable multiple times. The filling material consists of compostable cornstarch, free from harmful chemicals, and is recycled for use.
Fast, safe & climate-neutral
Order now, and your products will arrive quickly and climate-neutrally with DHL GoGreen. Emissions are offset so you can shop environmentally friendly at no extra cost.