Sun Chemical develops digital coatings for HP Indigo presses

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A new range of coatings including overprint varnishes and adhesives

specially formulated for use in digital devices is set to be launched in

the next few weeks.

Marcos Valdezate, Sun Chemical’s business

development manager for coatings for digital applications, said: “We

recognise that some transformation of the packaging industry as we know

it today in terms of printing, is already starting to happen. Some large

converters have already started looking into digital processes so the

aim of this agreement is to facilitate that transition by enabling

end-to-end solutions.

“Our intention is to ensure that the

printers and converters can deliver the performance required by the

brand owners to packaging specification and industry standards – that

the inks are staying on the surface and wedding properly to the

substrates with the appropriate resistance, effects and desired


Valdezate said that HP Indigo had already invested a

great deal of time and resources upgrading print processes and workflows

that would facilitate packaging applications, so the work by Sun

Chemical in developing coatings and adhesives is one of the key enablers

to making digital packaging production a reality.

He said Sun Chemical has been working with HP Indigo for a while

and already provides a limited range of adhesives for use on its

machines, but wants to build on those with an expanded range of products

adding new functionalities.  

“We shall soon be releasing a

digital coating portfolio under a unified Sun Chemical corporate

identity to ensure HP Indigo customers have access to a proven track

record of added-value solutions, regardless of their geographical

location,” Valdezate said. 

As well as working with press

engineers at HP, Sun has also been working closely with printers,

converters and brand owners to identify their needs and ensure that the

new range of coatings meets the requirements throughout the value chain.


will be a significant way forward,” Valdezate said.  “One of the big

advantages of digital printing is it gives you the ability to

personalise each print, and we know that is important for brand owners

as it unleashes new possibilities to communicate with end-users, hence

making packaging more meaningful.” 

He said this has been proven

in different campaigns like KitKat and Coca-Cola, but the challenge for

the industry is to establish digital as a “true cost-effective


HP Indigo currently offers three digital presses for

packaging applications ranging from labels and shrink sleeves to

flexible packaging and folding cartons.  The HP Indigo 20000 is for

labels and flexible packaging up to a web width of 30in (762mm) and

substrates up to 250 microns; the HP Indigo 8000 is a narrow-web

printing solution for labels and packaging production, and the HP Indigo

WS6800 is another narrow-web press which incorporates the HP Indigo

ElectroInk Premium White ink.

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