Truck Silencer Packing Material
Products Description Truck Silencer Packing Material made of high-quality glass fiber is a professional functional filling material specially developed for truck exhaust muffler systems. Designed for harsh working conditions including high exhaust temperature, continuous vibration, exhaust...
- Product Introduction
Products Description
Truck Silencer Packing Material made of high-quality glass fiber is a professional functional filling material specially developed for truck exhaust muffler systems. Designed for harsh working conditions including high exhaust temperature, continuous vibration, exhaust corrosion and all-weather outdoor operation, this glass fiber packing features excellent sound absorption, heat insulation, flame resistance and aging resistance. It is widely used for original factory assembly, maintenance refilling and noise reduction modification of heavy-duty trucks, medium and light trucks and engineering vehicle mufflers, serving as the most cost-effective mainstream filling material for commercial vehicle exhaust systems.
Product Properties
Material:
glass fiber, inorganic environment-friendly material, asbestos-free, no toxic volatile substances at high temperature
Product Form:
Needle-punched felt roll, cut piece, loose fiber, mesh wrapped molding material
Application Orientation:
Special functional filling material for commercial vehicle exhaust mufflers, suitable for mass production, after-sales replacement and export supporting
Safety Standard:
Asbestos-free, non-combustible, compliant with global commercial vehicle environmental protection and safety regulations
Core Technical Parameters
|
Item |
Specification |
|---|---|
|
Continuous Working Temperature |
-40℃ ~ 650℃; Peak 700-750℃ |
|
Flame Retardant Grade |
Class A non-combustible, meet FMVSS 302 automotive standard |
|
Noise Reduction Coefficient (NRC) |
0.7-0.85, covering 500-2500Hz exhaust noise frequency |
|
Thermal Conductivity |
0.035-0.065 W/(m·K) |
|
Weight |
180-350g/㎡ (customizable) |
|
Thickness |
6-20mm (customizable) |
|
Resilience Rate |
≥90%, anti-collapse under bump and compression |
|
Chemical Resistance |
Resistant to exhaust corrosion, acid and alkali, zero water absorption |
|
Service Life |
2-4 years under normal heavy-duty truck working conditions |
Product Application
Product Features & Advantages
Excellent Noise Reduction Without Power Loss
The 3D interlaced porous fiber structure effectively consumes exhaust sound energy, suppresses exhaust roaring, cavity resonance and airflow howling. With high air permeability, it will not increase exhaust back pressure, ensuring no loss of engine power while achieving perfect noise reduction.
High Temperature Resistant & Safety
As an inorganic non-combustible material, E-glass fiber will not melt, carbonize or burn under normal truck exhaust high temperature. It completely avoids the high-temperature failure problem of ordinary polyester sound-absorbing cotton, ensuring long-term stable operation of the exhaust system.
Corrosion & Weather Resistance
The material features zero water absorption and excellent resistance to exhaust grease and acid-base corrosion. It adapts to all-weather harsh environments such as rain, snow and muddy chassis, with no performance attenuation or mildew.
Easy Processing & High Fit
Soft and flexible, it can be arbitrarily cut and curled to fit irregular muffler cavities without filling dead angles. Custom mesh wrapped structure effectively prevents fiber flying and peeling, improving finished product consistency.
Core Functions
Noise Reduction:
Reduce idling roaring, acceleration noise and high-speed exhaust resonance, meet vehicle noise inspection standards and improve driving comfort
Heat Insulation:
Block high-temperature heat conduction of muffler, reduce chassis temperature, protect wires, pipelines and rubber parts from thermal aging
Shock Absorption & Stabilization:
Fill muffler cavity, weaken metal vibration and cavity resonance, stabilize internal structure
All-weather Durability:
Stable performance in extreme low and high temperature, rain and snow environments
Related products
Custom Service
Size Customization: Custom thickness, weight, width, roll length and pre-cut pads
Structure Customization: Plain glass fiber felt and mesh wrapped anti-flying fiber type
Technical Documents: Provide test reports and certification files for factory inspection and export customs clearance
Sample & Order Support: Free samples, small trial orders and urgent mass production
Professional Technical Support: Provide model selection guidance and filling installation solutions
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