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Cello 521

Product photograph Cello® 521
PUR foam with a sealed, but air-permeable rippled surface. Cello® 521 scores with a distinctive surface design and excellent absorption performance over the entire frequency range.
Product details
Material
PUR foam, ester
Surface
Embossed
Temperature resistance
-40°C to 100°C
Thermal conductivity (at 10°C)
0.040 W/(m·K)
Flammability
FMVSS 302
DIN 75200
ISO 3795
NRC value for 30 mm thickness
0,69
Areas of use
Construction and agricultural machinery
Cabins / casings / hoods
Machine construction
Available as
Sheet , ready-to-use parts
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