Owens Corning 634229 Acoustic Rotary Duct Liner

Product Description

The Owens Corning QuietR Acoustic Rotary Duct Liner, MPN 634229, is a fiberglass blanket intended for use inside sheet metal ductwork and plenums. This product aids in reducing noise from fan and air turbulence and minimizes popping sounds that can occur in ducts. Its design includes a black mat-faced surface aimed to face the airstream. The liner has a biocide incorporated to prevent the growth of bacteria and fungi.

• Helps absorb noise generated by fans and air turbulence.
• Improves acoustical performance, reducing popping noises.
• Resistant to the growth of bacteria and fungi.

Product Highlights

This duct liner is essential for enhancing sound management in HVAC systems and is durable against various conditions.

Product Information

Standard Information

• Brand: Owens Corning
• Material: Fiberglass

Technical Specifications

• Thickness: 1 inch
• Width: 47.5 inches
• Length: 100 feet
• R-Value: R4.2
• Air Flow Velocity: 6000 feet per minute
• Operating Temperature: 250 degrees F
• Flame Spread: 25
• Smoke Developed: 50
• Noise Reduction Coefficient (NRC): 0.7
• Collection: QuietR
• Color: Black
• Finish: Black Mat
• Water Vapor Sorption: less than 3% at 120°F (49°C), 95% R.H.
• Fungi Resistance: Meets requirements
• Bacteria Resistance: Meets requirements
• Corrosiveness: Will not cause significant corrosion
• Thermal Conductivity: 0.034 - 0.035 W/m·°C at 75°F