wallPen E2 - Page 123

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Suitable Substrates

Care should be taken when printing on metal or ceramic tiles. Here you should always

check the suitability by printing a test print first. Many metals and ceramic tiles can be

printed well, some do not. Unfortunately, there is no rule here, but an individual test is

for sure necessary.

Not suitable for UV printing is fabric, paper, cardboard or leather, although customers

have already successfully printed these materials.

Printing Outdoor

Outdoor printing presents you with many more challenges than indoor printing. On the

one hand, the influence of frost and heat on the substrate and the print itself is always

very different and often almost incalculable. On the other hand, it is difficult to estimate

how intense and detrimental the print is to the environmental impact of solar UV

radiation, wind and weather.

Due to these many imponderables, it is not possible for us as a manufacturer to

provide a warranty for outdoor prints. It is much more your know-how and your

experience on site to evaluate how a substrate has to be pre-treated and sealed after

printing in order to guarantee the customer the longest possible service life. In case of

doubt, you should think about a climatic chamber test in order not to run the risk of

being taken into recourse by the customer later if a print outside does not meet the

expectations of the customer.