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Swanline Paper and Board (SPB) has collaborated with Swedish paper mill Oppboga Bruk to launch a water-resistant outdoor display board that does not use a polyethylene (PE) coating to achieve its impermeable properties.
The product contains up to 60% recycled fibre, is FSC certified and is 100% recyclable. Its 100% paper fibre composition is said to enable high resistance to moisture, even compared with less ecologically sound PE-coated alternatives.
The substrate is suitable for outdoor signage required for up to 12 weeks, such as election campaign signage or billboards, and does not require edge frames to protect the sheet sides from water ingress while in location. Its potential for use in applications unrelated to outdoor signage, such as construction, horticultural and leisure industries, is also being explored.
Andrew Robinson, managing director of Oppboga Bruk said: “Until today, the temporary outside signs and display market has been dominated by plastic substrates due to weather durability issues.”
“If an end-user wanted to use a fibre-based material, they would need to put a PE coating onto the board to try and create that resistance to water. PE coating does this to some extent but it is not ideal from an environmental point of view.”
“Moreover, you can still have problems with the edges because the board itself is often not water repellent, it’s just a surface protection, so you can get water seeping into the board and then it starts to deteriorate.”