Product Features:
1. Sound-absorbing: NRC(noise reduction coefficiency) reaches more than 0.85.
2. Eco-friendly: no chemical irritants, free of harmful substances, made of 100% PET recycled material.
3. Fire-resistant: Euroclass EN 13501-1:B-s1-d0(flame treated), D-s1-d0(untreated); North American class ASTM E84-15a: FSI-20, SDI-45.