Sunday 7 August 2016

Scientists stumble upon a new shade of blue that's perfect for roofing



Credit: Oregon State University/Stuff

Shown above, the new pigment, which is:

● more durable than alternatives
● non toxic
● almost totally resistant to fading

has also been discovered to reflect 40% of infrared in sunlight. This makes it ideal as roof paint, for its cooling effect on the building underneath.

http://www.stuff.co.nz/life-style/home-property/81734717/Scientists-stumble-upon-a-new-shade-of-blue-thats-perfect-for-roofing
/ near perfect blue pigment accidental discovery Oregon State University scientists ideal roofing scientists Oregon State University accidently stumbled blue hue amazing qualities lead scientist Mas Subramanian color colour pigment 2009 mixing manganese oxide black colour other chemicals heating 1093 degrees celsius market extremely high infrared reflectivity 40 percent roofing eco-friendly method cooling building pigment advantage more durable safe fairly easy to produce energy efficiency happy accidental discovery new shade YInMn Y In Mn combination elements made from yttrium indium manganese Oregon State University near-perfect blue pigment YInMn has a unique crystal structure manganese pigment ions absorb red and green wavelengths reflect blue vibrant blue hue compound structure stable colour will not fade oil water YInMn cobalt blue Prussian blue non toxic /