Acoustic barrier
Bosco Italia SPA
situated in free field.
The panels are plan to you for being install to you overlapped between they in horizontal sense, inserting them between the mounting wings of the vertical HEA, that they constitute the carrying structure.
DESCRIPTION
The panel will be realized from one realized metallic frame in galvanized steel sp. 20/10 pressopiegato.
The metallic frame will be the following subordinate to cycle of protecting treatment:
? chemical pickling
? application of etch primer made up of epoxy painting to the zinc phosphate
? application of hand of cover made up of poliuretanica painting
Inside of the metallic frames the characteristic techniques will be contained of the having packings following:
? hardness according to 70 UNI 4916 +/- Shore A3
? 10 breaking strength minimal second UNI 6065 Mpa
? extensibility according to UNI EN 6065 300%
? declaration of conformity to norm EN 12150-2 and 14449 EN Ali.ZA
? isolation to the aerial noise directed EN 12758
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