유니슨HKR
제품 상세 설명
It has been widely used thanks to an increase of eco-friendly and landscape focused design. UNISION eTECH produces color soundproof plate(absorption/reflection), transparent soundproof plate, light soundproof plate, high reduction soundproof plate, fireproof soundproof plate, noise interference device and soundproof tunnel.
High Sound Absorption Type
It minimizes internal structure change or thick increase to have high Sound Absorption of over 85% NRC in KS (KSF 4770), and is to have grade 1 performance of NRC