Sound-absorbing elbow, made of PP-H with mineral additives, used in indoor drainage systems for civil constructions where sound attenuation from water flow is desired to enhance acoustic comfort. – Diameter range: Ø40, Ø50, Ø110. – Acoustic performance: 16 dB, according to SR EN 14366. – Compliance: EN 1451. – Material: PP-H with mineral additives. – Type: Single-layer, mass-colored. – Maximum operating temperature: +95°C, intermittently. – Fire resistance: Class B2, according to DIN 4102, self-extinguishes within a maximum of 20 seconds after flame removal. – Color: RAL 9005 (jet black) – Jointing: Socket and gasket.