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The classification of sound absorbing products is on a scale of A-E and since the whole spectrum is used to assess a classification the tested classification of Bubblesorption is B.
The best sound absorption attained with Bubblesorption is from the middle to higher frequencies. ie. 500-4000Hz. Lower frequencies are not usually experienced in the areas where this product would normally be used.
Covering Fabric: Non ignition to BS EN 1021-1:2006 (Furnishing standards)
Sound Absorbing Core: BS476 PART 6/7: Class O
FMVSS 302: Fulfilled
UL 94: V-0, HF1