Solar Aircraft Becomes Technology Driver – SprayFoam.com (press release) (registration)


SprayFoam.com (press release) (registration)

Solar Aircraft Becomes Technology Driver
SprayFoam.com (press release) (registration)
The Covestro researchers achieved this by reducing the pores to micrometer scale, with 96 percent of the foam consisting of gaseous blowing agent and only four percent solid polyurethane. For comparison: water has a density of 1,000 kg/m3 which is 25 ...

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