UV printing on polyethylene (PE, HDPE), hard

Rigid sheet, containers, squeeze bottles, signs. What the printer and primer makers publish about polyethylene (PE, HDPE), hard: primer, white ink, flat or rotary, how long prints last and what goes wrong.

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Desktop UV: Limited
Primer: Needed
White ink: Not stated
Shape: Flat or curved

Plastics and rubber. Things people make: rigid sheet, containers, squeeze bottles, signs. From the sources at the end, checked October 11, 2026; we haven't tested it ourselves.

What it needs

Desktop UV printers: Limited Like PP, PE has low surface energy and needs a primer or corona/plasma treatment; Mimaki's own table rates PP/PE Bad even with its PR-100 primer. [4] [5] [7]
Primer or adhesion promoter: Needed. Nazdar 7035 wipe-on adhesion promoter for rigid polyethylene; LogoJET P2 Adhesion Promoter for PP & PE; or corona or plasma treatment (eufyMake). [1] [2] [3] [4]
White ink: Not stated
Flat or curved: Flat or curved. eufyMake lists PE in its flatbed and rotary-attachment material tables, without extra prep notes. Flatbed height limit 60 mm. [9]

How long it lasts

None of the sources gives dishwasher, outdoor or scratch figures for polyethylene (PE, HDPE), hard. Test a sample the way it will be used before you sell it.

What goes wrong

Ink peels without treatment because of the low surface energy (eufyMake, Longer).
Mimaki's table rates PP/PE Bad with and without its PR-100 primer on both of its ink sets.
eufyMake says the effect of flame, corona or plasma treatment fades over hours to a day or two, so print soon after treating.

[3] [5] [7]

Before you print

Wipe primer on with a lint-free cloth and let it dry; Nazdar gives about 5 minutes for the 7035 and says to let the print post-cure 24 hours at room temperature.
LogoJET: UV inks do best at 40-50 dyne.
Run a cross-hatch tape test on a sample before a batch (Roland).

[1] [6] [8]

Supplies

Look for an adhesion promoter sold for UV printing on polyethylene (PE, HDPE), hard, and read its data sheet for how long to let it dry: adhesion promoter (Amazon US), adhesion promoter (Amazon UK). Clean with isopropyl alcohol wipes first. Test one piece before a batch.

Every material in one table: what a UV printer can print on. Weighing up other machines? See UV against DTF, sublimation and a Cricut.

Has a maker published something different, or does your printer's manual disagree? Email hello@homeuvprinter.com and we'll check it against the source.

Sources

Checked October 11, 2026.