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Paul Brothers  |  SKU: NK100BL

Technical Drawing Pen Ink Blue 25ml | Waterproof High Opacity Ink for Rapidograph Pens, Drafting, Illustration & Calligraphy

Isomars Blue Technical Drawing Pen Ink 25ml is a waterproof, lightfast, high-opacity ink designed for rapidograph and technical pens. Ensures smooth flow, precise lines, and vibrant blue output for drafting, illustration, and professional work.

Rs. 189.00 Rs. 259.00

Delivery and Shipping

We try to dispatch all our orders within 24-48 hours in normal BAU days. Please be advised that shipments are not sent out on Saturdays, Sundays, or any Holidays. We thrive to delivery products in 5 - 10 days. 

The shipping and handling charges are given at the time of checkout and consumers will know about this before making payments.

Goods will need to be signed for upon delivery. If you cannot be there to sign for your delivery please suggest an alternative i.e. a family member, colleague, neighbor, etc.

Trusted Since 1959: Decades of excellence in art & drafting tools

Professional Quality: Built for precision, durability & performance

Complete Creative Range: All tools for art, design & calligraphy

Reliable Experience: Fast delivery & trusted customer support

Precision & Clarity with Blue Technical Drawing Ink – 25ml

Upgrade your drafting accuracy with Technical Drawing Pen Ink Blue 25ml, specially formulated for technical pens and rapidograph use. This premium-quality ink delivers smooth ink flow, strong adhesion, and high opacity, ensuring sharp, clean, and professional lines.

The vibrant blue color is ideal for technical drawings, design work, annotations, and illustration, making it a must-have tool for architects, engineers, and artists.

blue technical drawing pen ink 25ml

Key Features

Smooth Flow & High Opacity Ink
Ensures consistent performance with bold, visible lines.

Waterproof & Lightfast Formula
Provides long-lasting, fade-resistant drawings suitable for reproduction.

Excellent Adhesion on Multiple Surfaces
Works perfectly on tracing paper, vellum, drawing paper, and line boards.

High Color Purity (Blue)
Delivers rich, vibrant blue tones for professional output.

Mixable Ink Formula
Can be blended with other inks to create custom shades.

Ideal for Technical Pens
Optimized for rapidograph and precision drafting pens.

 

Perfect For

  • Architects & Engineers
  • Technical Drawing & Drafting
  • Illustration & Design Work
 
  • Calligraphy & Line Art
  • Students & Professionals

 

drawing ink blue for engineers

Why Choose Isomars Technical Ink?

With decades of experience, Isomars delivers precision-focused drafting tools trusted by professionals. This ink ensures accuracy, durability, and smooth workflow, helping you achieve perfect results every time.

Product Specifications

  • Product Name: Technoart Technical Drawing Pen Ink (Blue)
  • Volume: 25ml
  • Color: Blue
  • Type: Waterproof & Lightfast Ink
 
  • Finish: High Opacity
  • Compatibility: Technical Pens / Rapidograph Pens
  • Surface Use: Tracing Paper, Vellum, Drawing Paper, Line Board
  • Mixable: Yes
  • Safety: Not suitable for tattoo use