Tests and facts about TwisterPLUS
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Sound absorption test
Made by Delta according to EN ISO 11654:1997
Measurement with mounting depth 65 mm, and 50 mm space
Sound absorption test
Made by Delta according to EN ISO 11654:1997
Measurement with mounting depth 45 mm, and 30 mm space
Sound absorption test
Made by Delta according to EN ISO 11654:1997
Measurement with mounting depth 15 mm, and 0 mm space
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Oekotex certifikate, acoustic plate
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