ROCKWOOL TECHROCK 60
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PRODUCT DESCRIPTION Rigid, hydrophobic stone wool batts, impregnated with athin resin layer. May be one or two - side coated with reinforced aluminium foil (ALS), or black fibre glass (FB1).
APPLICATION
SPECIFIC PROPERTIES OF ROCKWOOL STONE WOOL |
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Sound Absorption Coeficient αs

| Hz | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
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| 50mm | 0.22 | 0.63 | 0.9 | 0.98 | 1.05 | 0.99 |


