50x20cm Sewer Pipe Self-Adhesive Soundproofing Damping Sheet Car Acoustic Panel

1. Material: aluminum foil composite butyl vibration isolation rubber2. Adopting virgin rubber material, safe and environmentally friendly3. The higher the thickness, the better the effect, excellent shock absorption and resilience4. Honeycomb diamond surface design, effectively blocking the spread of sound5. Adopt golden aluminum sheet, sturdy and scratch-resistant, not easy to damage and scrape, durable6. The back side is made of butyl rubber, which is waterproof and ensures high viscosity at the same time7. Applicable water pipe circumference: 50-type for 20-22cm water pipe, 75-type for 25-29cm water pipe, 110-type for 35-39cm water pipe, 160-type for 52-58cm water pipe8. Weight: 50-type about 550 g, 75-type about 770 g, 110-type about 1,100 g, 160-type about 1,580 g9. Size: 50-type about 50 x 20 cm, 75-type about 50 x 28 cm, 110-type about 50 x 40 cm, 160-type about 50 x 58 cm