Michelman’s DigiPrime® is the recommended brand of in-line and off-line primers for HP Indigo presses. Its excellent adhesion to both a wide variety of substrates and HP Indigo ElectroInk offers versatility and security for applications ranging from magazines to label printing to flexible packaging. We are proud to provide the only primers certified for HP Indigo.


DigiPrime® Solutions Provide

  • Outstanding print receptivity on multiple substrates
  • Excellent ink adhesion
  • Food compliant options
  • Compliant options for use in compostable packaging
  • Environmentally friendly water-based chemistry
  • Security of supply through a global supply chain & distribution network

Flexible Packaging

  • In-line and off-line availability
  • Excellent adhesion to synthetic substrates such as BOPP and PET
  • Low odor solutions
  • Food contact compliant options

High-Performance durable labels 

  • In-line and off-line availability
  • Primers for both paper and synthetic substrates
  • Re-coatability

Folding Cartons

  • Increased print receptivity
  • Creasability
  • Remains clear and shows no discoloration over time

Commercial Printing

  • Maximized ink adhesion and durability
  • Remains clear and shows no discoloration over time
  • Excellent storage stability with no shelf life or aging issues
  • Long blanket life and reduced downtime for presses

DigiPrime® In-line Primers

HP Indigo offers high capacity presses for both labels & packaging and commercial printing which are equipped with in-line priming (ILP) units that can optimize a wide range of substrates immediately prior to printing. Michelman develops primers specifically for this equipment and the applications associated with them.


6K & 8K

DigiPrime® Vision 9000*
DigiPrime® 040*

paper, film, synthetic, metal

labels, shrink sleeves

DigiPrime® 680*†

film, synthetic, metal

flexible packaging (especially for lamination with adhesives), shrink sleeves, some label stock

W7200 & W7250

Michem® In-line Primer Q4324A*

Michem® In-line Primer Q4325A*

coated and uncoated paper

books & journals, magazines, personalized direct mail, transpromotional documents, yearbooks

25K, 200K, & 20000

DigiPrime® 050*

paper, film

flexible packaging (especially for lamination with adhesives)

35K & 30000

DigiPrime® 060


folding cartons

* Michelman primers are the only primers certified for in-line use by HP Indigo.
For certain coated paper label applications, Michem® In-Line Primer Q4324A is another certified option that can be run interchangeably with DP680.


DigiPrime® Off-Line Primers

Digital press owners around the world use DigiPrime® Icon off-line primers because of their ability to improve ink receptivity, rub resistance, and image quality on most types of paper, plastic, and film, providing improved productivity and efficiency for digital printing on both commercial and labels & packaging presses.


DigiPrime® Icon 8000

uncoated, mottled, semi- gloss, and glossy paper grades, PE

rub resistance, paper optimization

flexo & gravure


DigiPrime® Icon 8020

uncoated, semi-gloss, glossy paper grades, variety of films

excellent for flexible packaging & label applications, improved water resistance

flexo & gravure


DigiPrime® Icon 8445

most films and papers

anti-blocking, ideal for duplex printing

flexo & gravure


DigiPrime® Icon 8500

treated synthetics, soft vinyl

slower drying

flexo & gravure


Near-Line Primers

Michelman also offers solutions for near-line priming. Although substrates primed with these products have a limited shelf life, these primers are easier to apply and run on less sophisticated equipment.


DigiPrime® 6611

paper and a wide variety of film, ideal for label & flexible packaging applications

ideal when corona not available

flexo & gravure


Sapphire 5.0 Priming Solution Q4310A

paper, especially suited for commercial printing

ideal when limited drying capacity available

flexo & gravure