Glass wool Athena - Dimensions: 500x700 mm - Material: fiberglass - Density: 2,6g / cm³ - Working temperature: up to 550 degrees - Peak temperature: up to 800 degrees - Does not harden - Meets the strictest sound insulation requirements - Flashbacks in high-performance 4T engines and contamination in 2T engines are withstood - Suitable for 2T and 4T