Do these dry well on glass?

Yes. However, if you really want it to stick on you should spray a clear coat over it.

I noticed the bombay india ink has a slight reflective sheen to it when dry, presumably because of high shellac content. do the tech drawing inks?

No, there is less acrylic in the Tech inks.

What is the difference between the Tech ink and the Bombay ink?

Showing 1-2 of 2 answers Dr. P.H. Martin Tech Drawing Ink is specially formulated for use in fine Technical Drawing Pens, such as Koh-In-Noor, or Rotring, which are prone to clogging when using regular ink formulas. This Tech Drawing Ink can also be used with any other media you would normally use Bombay and other inks.

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Dr. Ph. Martin's TECH Drawing Ink (Set 1) Ink Bottle, 1.0 oz, Set 1, 1 Bottle

Product ID: 270913756

Details

Brand
Dr. Ph.
Global Trade Identification Number
Item volume
1 Fluid Ounces
Package information
Bottle
Paint type
Watercolor

🎨12 vibrant acid-free colors

🕰️Lightfast & archival pigment formula

🖋️Optimized for technical & calligraphy pens

Description

🖌️ Elevate your art with ink that lasts as long as your vision

PRECISION PERFECTED - Formulated specifically for technical, calligraphy, and drawing pens for flawless lines
CREATIVE CONTROL KIT - Includes 12 glass bottles with droppers plus a custom mixing palette for endless color blending
ARCHIVAL QUALITY ASSURANCE - Lightfast and waterproof pigments ensure your work lasts a lifetime
VIBRANT SPECTRUM ZERO FADE - 12 brilliant, acid-free colors that stay vivid over time
MADE IN THE USA TRUSTED WORLDWIDE - Crafted with premium materials by Salis International for professional-grade results

Dr. Ph. Martin's TECH Drawing Ink Set 1 features 12 vibrant, acid-free pigment inks in 1 oz glass bottles with droppers and a mixing palette. Designed for technical, calligraphy, and drawing pens, this lightfast, waterproof, archival ink ensures professional, long-lasting results. Made in the USA, it’s perfect for artists seeking precision and durability in their creative work.

Specifications

ASIN	B01F4U31II
Brand Name	Dr. Ph. Martin's
Container Type	Bottle
Customer Reviews	4.6 4.6 out of 5 stars (61)
Global Trade Identification Number	00090385415612
Ink Color	MultiColor
Item Type Name	Ink Set
Item Weight	2.4 Pounds
Manufacturer	Salis International, Inc.
Manufacturer Part Number	TECH10OZSET1
Model Number	TECH10OZSET1
Number of Items	12
Paint Type	Watercolor
UPC	090385415612
Unit Count	1 Count
Volume	1 Fluid Ounces

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