Sound Absorbing Cotton is a porous acoustic material used as an absorptive layer in walls, ceilings, partitions and other interior acoustic constructions to reduce reflected sound and reverberation.
Technical Specifications
|
Parameter |
Specification |
|
Product Name |
Sound Absorbing Cotton |
|
Material Type |
Porous Acoustic Material |
|
Material Options |
Polyester Fiber / Recycled PET / Glass Wool / Rock Wool |
|
Length |
2420 mm |
|
Width |
1220 mm |
|
Thickness |
9 mm |
|
Product Form |
Sheet |
|
Structure |
Porous Fiber Structure |
Material Structure
Porous Acoustic Matrix
The material contains interconnected pores that allow incident sound to penetrate into the sheet. This porous structure provides the physical basis for sound absorption.
Fiber-Based Absorptive Layer
The fiber material dissipates part of the sound energy as sound travels through the internal structure, reducing the amount of acoustic energy reflected back into the room.
Sheet Construction
The product is supplied in sheet form at 2420 × 1220 × 9 mm, allowing it to be incorporated into larger acoustic assemblies or cut into smaller sections during installation.
Installation & System Integration
Behind Decorative Wall Finishes
Installed behind wood grilles, perforated panels or other acoustically open finishes, the material provides the absorptive layer within the wall assembly.
Within Partition Cavities
Placed inside partition cavities, the material forms part of the internal acoustic treatment rather than serving as the visible wall finish.
Above Suspended Ceilings
The sheet can be incorporated into ceiling assemblies where acoustic absorption is required above the finished ceiling surface.
As an Acoustic Panel Component
The material can be used as the absorptive layer within composite acoustic panel constructions.
Material & Performance Options
Polyester Fiber
A fiber-based option for interior acoustic constructions where a lightweight absorptive material is required.
Recycled PET
An option for projects specifying recycled PET-based acoustic materials.
Glass Wool
A mineral-fiber option for acoustic assemblies using glass wool as the absorptive layer.
Rock Wool
A mineral-wool option for projects specifying rock wool acoustic material.
Low-Formaldehyde Options
Available for projects with specified indoor material emission requirements.
Moisture-Resistant Options
Available for applications where resistance to moisture exposure is required.
Fire-Retardant Options
Available for projects with specified fire-performance requirements.
Applications
Acoustic Wall Assemblies
Used as an internal absorptive layer behind decorative or acoustically open wall finishes.
Partition Systems
Installed within partition cavities as part of the acoustic treatment between interior spaces.
Ceiling Systems
Incorporated into ceiling constructions to increase the absorptive material within the treated area.
Recording & Audio Rooms
Used as part of the acoustic construction in recording studios and other audio-related spaces.
Commercial Interiors
Suitable for offices, meeting rooms, cinemas, KTV rooms and other commercial interiors requiring reverberation control.
Residential Acoustic Treatment
Used in home theaters and other residential spaces where reflected sound needs to be controlled.
Quality Control
Raw Material Inspection
Incoming materials are checked for material type, dimensions, thickness and visible defects before production. Non-conforming materials are identified before entering the forming process.
Hot-Pressing Process Control
Temperature, pressure and pressing time are controlled during hot-pressing to maintain consistent material formation and thickness across production batches.
Dimensional Inspection
Finished sheets are measured for length, width and thickness to verify compliance with the confirmed product specification.
Physical Condition Inspection
Finished material is checked for uneven forming, edge damage, surface contamination, cracks and other visible defects that could affect cutting, handling or installation.
Production Sampling
Samples are taken during production for dimensional and appearance checks. Detected deviations are reviewed and the production process is adjusted before further output.
Pre-Delivery Testing
Where specified, third-party testing is arranged before shipment to verify the required material or acoustic performance against the applicable test requirements.
Batch Traceability
Production information is recorded through the QR-code traceability system, allowing the relevant production records to be retrieved for batch-level quality review.
Certifications & Compliance
Management System Certifications
- ISO 9001 Quality Management System
- ISO 14001 Environmental Management System
Factory & Enterprise Qualifications
- Green Factory Certification
- National High-tech Enterprise
- Industry Quality Benchmark Enterprise
After-Sales Service
Order Record Management
Product specifications, material selection and approved order information are retained as references for subsequent purchases.
Quality Complaint Review
For a reported quality issue, the buyer can provide product photos, affected quantity, batch information and order details for investigation.
Batch Traceability
Production records can be retrieved through the QR-code traceability system to support investigation of batch-related quality issues.
Repeat Order Support
Previous order specifications can be referenced when the same material is reordered, reducing the need to reconfirm established product requirements.
FAQ
Q: Does sound absorbing cotton block noise from entering a room?
A: No. Sound absorbing cotton is primarily used to reduce reflected sound and reverberation inside a space. It is not a standalone soundproofing barrier.
Q: What is the difference between sound absorption and sound insulation?
A: Sound absorption reduces reflected sound within a room, while sound insulation is intended to reduce sound transmission from one space to another.
Q: Can sound absorbing cotton be used together with other acoustic materials?
A: Yes. It can form one layer of a multi-material acoustic construction together with wall finishes, acoustic panels, partitions or other building components.
Q: Does the visible surface need to remain exposed?
A: No. The material can function as an internal acoustic layer behind a separate decorative or architectural finish.
Q: Is sound absorbing cotton suitable for retrofit acoustic projects?
A: Yes. Sheet-form material can be incorporated into existing wall, ceiling or partition constructions where an additional absorptive layer can be accommodated.
Q: Can buyers purchase acoustic cotton as a raw material for panel production?
A: Yes. The sheet material can be supplied as an acoustic component for manufacturers producing composite acoustic panels or other interior acoustic products.
Q: What information should be included when requesting a quotation?
A: Buyers should provide the required material type, sheet dimensions, thickness, estimated quantity and intended application so the product specification can be matched to the order.
Q: Can one material specification be retained for repeat orders?
A: Yes. Previous approved product specifications and order records can be used as references for repeat purchases.
Q: Can sound absorbing cotton be supplied for acoustic material distributors?
A: Yes. The product can be supplied for project procurement, acoustic material distribution and manufacturers using it as a component in acoustic constructions.
Q: Is sound absorbing cotton suitable as an acoustic panel backing material?
A: Yes. It can be used as the absorptive layer behind decorative grilles, perforated finishes and other acoustically open surfaces.