the test that they have is NOT legitimate. It is a complete fabrication, as it is not possible to test R+ in that manner. Likely that test was provided by however sold them the material, so it is not there issue, per se. though they have been informed that it is erroneous and it is still up... so....
as to the material... hard to say with absolute certainty... but there have been reports that is not, in the users opinion, R-ala.