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A World First - Uv Protection Oil Clear

A World First - Uv Protection Oil Clear


Posted in Wood Finishing by Source on July 2nd 2010
After just a few months, sun, wind, rain and snow can all contribute to wood starting to lose its natural colour – the wood starts to appear as though it were cloaked in a veil of mist and, over time, the original colour disappears completely and the whole surface looks grey. At that point, you can hardly tell what type of wood it is. The process that causes this deterioration is UV rays from the sun transforming the lignin in the wood into a dark, water-soluble form, which is then washed away by rainfall, leaving just a “skeleton cell”. Even though this process does not initially change the durability or stability of the material, many who use wood in outdoor areas want to maintain its natural appearance. Through intensive research and development, Osmo has discovered a way of integrating clear UV protection into an oil-based finish. “Up until now, UV protection was only possible if you introduced pigment, i.e. colour, into the product”, explains Product Manager Michael Sommer. “However, that conflicted with customers’ desire to maintain the natural appearance of the wood.” Pigments protect not only the wood, but also the finish itself against UV rays from the sun, which is why many manufacturers focus on thick film coatings (the disadvantage being that they form a peelable film), or they use nano-pigments, which are contained in the finish but are not visible. However, as Osmo has a philosophy of only using oils and waxes manufactured on a base of natural plant extracts, the manufacturer would only consider using an oil-based finish. “The advantage of oil-based finishes is that they don’t peel, flake or crack and they maintain the natural wood surface,” explains Michael Sommer. The effect of Osmo UV Protection Oil is produced by the transformation of short-wave UV rays into heat, which is reflected in accordance with the mirror principle. “Developing our UV Protection Oil represents a huge step forwards in the field of clear (colourless) wood protection”, says a convinced Michael Sommer. He continues by saying that UV Protection Oil produces effects that are far superior to other clear wood protection products in the range and that it will soon replace those products. “Those people who have been using our clear Wood Stain and Protector or the Clear Oil will find UV Protection Oil to be a much improved alternative,” says Michael Sommer. UV Protection Oil Clear can be used as an end coat, for example in combination with Osmo One Coat or with an opaque Osmo Country Colour, which is now available in a multitude of standardised RAL and NCS colour shades. Of course UV Protection Oil can also simply be used on its own, especially if the goal is to maintain the natural wood colour for as long as possible. “With UV Protection Oil, wood can be exposed to sun for 12 times longer than if it were untreated before the greying process begins”, according to Michael Sommer. The coating should be renewed before the oil starts to weather. Michael’s advice is, “if you have gone past the point where it is possible to renovate the wood, you can first treat the wood with Osmo Wood Reviver, which will return it to its original natural condition, before applying UV Protection Oil. UV Protection Oil is suitable for all exterior wood; Osmo especially recommends it for wood façades, windows and doors, garden furniture, screens and carports. For those who also wish to protect their product against algae and fungal decay, Osmo is also offering a special variety of UV Protection Oil containing biocides. “We want to allow consumers to decide for themselves whether to go for an additive-free, oil-based product or whether to choose UV Protection Oil Extra, which contains preventative protection against algae and fungal decay,” explains Michael Sommer.

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