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Mil Spec Inks

Mil Spec and Rubber Stamp Inks

industrial mil spec inksListed below are our most popular industrial grade inks. We supply inks for virtually any part marking requirements that requires an applied mark; contact us now to speak with someone in Sales. Most of these inks are available from small 4 oz. bottles up to a gallon.

*Due to shipping restrictions related to hazardous materials, we are only able to ship these inks within the United States and Canada. We apologize for any inconvenience.

Click here for more information on our Rubber Stamps

Click here for more information on our Industrial Ink Stamp Pads.

General Purpose Solvent Based Inks

#1250 All Purpose Air Dry Ink for Non Porous Surfaces 

  • The #1250 All Purpose Air Dry Ink is ideal for use in our Mark II Stamp Pad. Creates rub resistant, waterproof imprints on glass, plastic, metal, polypropylene, rubber, and other hard to mark non-porous surfaces. Imprint dries in under 20 seconds on most substrates. 
  • Meets Government Specification TT-I-1795A, Type I, and A-A-208C (Black and White only).
  • Dry Time: 10-15 seconds
  • Suggested for use in the Mark II Stamp Pad or our metal industrial stamp pads with natural rubber stamps. Also can be used with automatic coders.
  • Colors: Black, White, Blue, Red, Green, Yellow, Orange, Purple, Silver, Pink

#214 All Purpose Air Dry Ink for Non Porous Surfaces (Slower Dry Time)

  • Similar to the #1250 Ink but with a slower drying time for applications that require the ink to stay moist in a stamp pad longer. Waterproof with excellent adhesion on plastics, polyester, foil, and cellophane.
  • Dry Time: 30-60 seconds
  • Suggested for use with hand held rubber stamps and self-inking stamps.
  • Colors: Black, White, Blue, Red

#141 General Purpose Ink for Rubber and Other Flexible Surfaces

  • Slower drying than the #1250 and #214 inks. Waterproof with excellent adhesion on both porous and non-porous substrates, including corrugated, plastics, metal.
  • Dry Time: 60 seconds
  • Suggested for use with hand held rubber stamps and self-inking stamps.
  • Colors: Black, White, Blue, Red, Green, Yellow, Orange, Silver, Pink

#628 Ink for Packaging Films

  • The #628 pigmented ink is available in vivid colors and provides excellent adhesion and durability on packaging films and plastics, including polyethylene, polypropylene, polyester, PET, foil and cellophane.
  • Dry Time: 10-15 seconds
  • Suggested for use with hand held rubber stamps and flexo/semi-flexo coders.
  • Colors: Black, White, Blue, Red, Green, Yellow, Orange/Yellow, Light Blue (all pigmented)

#432 Solvent Resistant Ink 

  • #432 is designed to resist alcohol, freon, degreasers, cleaning fluids, trichloroethylene, soap and water. The longer the imprint is given to dry, the more resistant the impression becomes. Suggested applications include metal, plastic, printed circuit boards, polyethylene and polypropylene.
  • Dry Time: 10-30 seconds
  • Suggested for use with hand held rubber stamps.
  • Colors: Black, White, Blue, Red (all pigmented)

Epoxy Based and Solvent Resistant Inks

#6050/EPXY Two Part Epoxy Ink

  • A two component epoxy system developed to be the most permanent ink available to mark on a wide range of difficult to mark substrates. Ideal for marking ceramics, phenolics, polyesters, melamine, silicones, ferrous and non-ferrous metals. This ink is resistant to solvents, chemicals, and hydrocarbons and will withstand temperatures in excess of 600 degrees Fahrenheit. It is the only ink that meets Government Specification A-A-56032 (formerly MIL-I-43553.) Requires addition of catalyst immediately upon opening and prior to use. Ink and catalyst sold together as a set.
  • Dry Time: Ink dries to handle in 6-8 hours. Curing time can be shortened by adding heat. 4-7 days are required for maximum adhesion and chemical resistance. 
  • Suggested for use with offset and direct marking machines, or with a natural rubber hand stamp by spreading the ink out into a small thin film with a brayer on an ink plate or glass.
  • Available in 1/2 oz. clipaks and by the quart
  • Colors: Black, White 

#6459 One Part Epoxy Ink

  • #6459 is a one part epoxy ink but DOES NOT meet Government Specification A-A-56032. It does resist most solvents and degreasers and is made with a true epoxy resin. Excellent permanence and easy to use. This ink is certified for United Launch Alliance (ULA) for ULA 5-79055, Rev. C.
  • Dry Time: 10 seconds to the touch; becomes permanent within 4 hours.
  • Suggested for use with a roller coder, semi-flexo printer, or natural rubber hand stamp with MARK II or metal industrial stamp pad.
  • Colors: Black, White, Blue, Red

#432 Solvent Resistant Ink

  • #432 is designed to resist alcohol, freon, degreasers, cleaning fluids, trichlorethylene, soap and water. The longer the imprint is given to dry, the more resistant the impression becomes. Suggested applications include metal, plastic, printed circuit boards, polyethylene and polypropylene.
  • Dry Time: 10-30 seconds
  • Suggested for use with hand held rubber stamps.
  • Colors: Black, White, Blue, Red (all pigmented)

Inks for Paper Marking

#5127 Rubber Stamp Ink
  • High performance water based stamp ink.
  • Surfaces: Paper, corrugated, Kraft paper, clay coated paper and labels.
  • Dry Time: Very fast - depending on the absorbency of the material being printed.
  • Characteristics: This heavier water soluble ink stays wet in a selk-inker or stamp pad and makes sharp, clear impressions which dry instantly through absorption. 
  • Suggested for use with hand held rubber stamps.
  • Colors: Black, White, Blue, Red, Green, Yellow, Orange, Purple, Brown

Inks for Food Packaging

#992/FRZN Ink for Frozen Food Packaging
  • #992 Ink for Frozen Food is a waterproof rubber stamp ink with excellent adhesion under the harshest conditions. Ink is suitable for use on poly bags, metal and waxed paper, and will imprint through layers of moisture. Imprint will remain intact during refrigeration. #992 uses raw materials that meet the USDA requirements for use on barrier food packaging.
  • Dry Time: 30-45 seconds
  • Suggested for use with hand held rubber stamps and self-inking stamps.
  • Colors: Black, White, Blue, Red, Green

Industrial Stencil Inks

#42M Roll On Stencil Ink
  • #42M Ink is a pigmented ink originally designed for use on steel drums but provides excellent resistance to outdoor weather conditions on a variety of substrates including metal, lumber, concrete, wood and rubber. Meets Government Specification TT-I-1795A, Type I & Type IV, and A-A-208, Type I & Type IV (all colors except yellow).
  • Dry Time: 2 minutes
  • Suggested for use with a foam pad and rubber stencil roller or fountain roller. Can also be used for rubber stamping by hand.
  • Colors: Black, White, Blue, Red, Yellow (all pigmented)
#6554 Roll On Stencil Ink
  • #6554 Roll On Stencil Ink is a good all purpose stencil ink that is similar to our #42M but with a quicker drying time. It provides excellent resistance to outdoor weather conditions on a variety of substrates including metal, lumber, concrete, wood and rubber. 
  • Dry Time: 15 seconds
  • Suggested for use with a foam pad and rubber stencil roller or fountain roller. Can also be used for rubber stamping by hand.
  • Colors: Black