Sound Deadener is a vibration (sound) dampening mat. The material consists of an anti-drum noise absorption layer, combined with an aluminum top layer forming an acoustic barrier.
 

Features:

• 1.8sq/m (19.4sq/ft) of Sound Deadener
• Silver finish 
• (12 x sheets at 300mm x 500mm)

Specifications:

• Appearance: Black Butyl based core with 4 mil silvery aluminium reinforced layer backed with white wax paper release liner.
• Thickness: 2mm
• Weight: 3.2kg/psm   
• Acoustic Loss Factor: 0.08 to 0.41
• Recommended Install Temperature: -10°C to +60°C 
• Resistance Temperature Range: -40°C to +120°C
• Chemical Resistance: Resistant to water 
• Storage: Product should be stored at room temperature for best application and should be stored horizontally in its package. 

Note:
COM (change of mind) Return Policy:
The product must be unopened and in brand new condition, with the return to be organised by the customer. Once received and verified to be in the condition specified, refund is only of the item value minus 15% restocking fee (not including initial shipping). An additional return charge, which is same cost as that of initial shipping, will be deducted from the refund on returns due to delivery failure caused by customer error. For the health and safety of our staff and other customers, we are unable to accept returns of personal use items.