National patents
These wall coverings are engineered as composite panels that combine a viscoelastic damping core with a protective facing layer. The core material exhibits a loss factor typically between 0.15 and
Order this productThese wall coverings are engineered as composite panels that combine a viscoelastic damping core with a protective facing layer. The core material exhibits a loss factor typically between 0.15 and 0.25 at 500 Hz, which reduces structure‑borne sound transmission. Panels are supplied in thicknesses ranging from 12 mm to 50 mm, allowing designers to match acoustic performance to specific space requirements.
The damping core consists of a polymer blend formulated with proprietary fillers to achieve a density of 45–80 kg/m³ depending on the selected thickness. Facing options include polyvinyl chloride (PVC) film, woven polyester fabric, or powder‑coated aluminum sheet, each providing distinct surface characteristics such as abrasion resistance (PVC: ≥ 300 cycles Martindale), cleanability (fabric: wipe‑clean with mild detergent), or corrosion resistance (aluminum: suitable for humid environments). All facings are bonded to the core using a heat‑activated adhesive that maintains shear strength above 0.8 MPa after 500 h at 70 °C/80 % RH.
| Property | Typical Range | Test Method |
|---|---|---|
| Thickness | 12 mm – 50 mm | ISO 2768‑1 |
| Density (core) | 45 kg/m³ – 80 kg/m³ | ISO 1183 |
| Noise Reduction Coefficient (NRC) | 0.60 – 0.85 | ASTM C423 |
| Fire Rating | Class A (EN 13501‑1) | EN 13823 |
| Impact Resistance | ≥ 5 J (drop‑weight test) | ISO 6603‑2 |
| Thermal Conductivity | 0.04 W/(m·K) – 0.06 W/(m·K) | ASTM C518 |

In open‑plan offices, the panels reduce reverberation time by 0.4–0.6 s when installed at 30 % wall coverage, improving speech intelligibility without sacrificing floor space. Healthcare facilities benefit from the non‑porous PVC facing, which withstands routine disinfection with sodium hypochlorite solutions while maintaining acoustic performance. Educational auditoriums use the fabric‑faced variant to achieve a balanced absorption‑diffusion profile, reducing flutter echoes while allowing low‑frequency transmission control via the damping core.
Industrial environments such as machining workshops select the aluminum‑faced option for its resistance to oil mist and mechanical impact, achieving a sound transmission loss (STL) increase of 4–6 dB in the 500‑2000 Hz band. The ability to integrate cable management channels within the panel thickness further supports clean installations in data centers and control rooms.
Each production lot undergoes dimensional inspection using laser scanners, confirming thickness tolerance of ±0.5 mm and length/width tolerance of ±1.0 mm. Core density is verified via gravimetric testing on random samples, targeting a deviation of less than 3 % from the nominal value. Facing adhesion is measured by peel‑strength tests, requiring a minimum of 1.2 N/mm before any panel is released for shipping. Finished panels are subject to a random NRC test batch per 500 m² to ensure acoustic performance remains within the specified range.
Panels are stacked on heat‑treated pallets with a maximum load of 1 t per pallet. Corner protectors and edge guards prevent impact damage during handling. The stack is wrapped in UV‑stabilized shrink film and secured with polyester straps. For overseas shipments, each pallet is placed inside a ventilated crate lined with moisture‑barrier foil to limit humidity exposure to below 60 % RH during transit. Packaging details are documented on a packing list that includes panel count, total weight, and batch numbers for traceability.
Yes. Width and length can be trimmed to module sizes such as 600 mm × 600 mm or 1200 mm × 600 mm, with tolerances held to ±1.0 mm. Custom cuts are performed using CNC saws to maintain edge squareness within 0.2 mm.
To generate an accurate quote we need the desired thickness, facing material, total surface area, mounting preference, and any special requirements such as fire‑rating certification or integrated cable channels. Providing a simple layout sketch or DWG file helps confirm panel quantities and cut‑list optimization.
Sample panels (up to three variants) can be shipped via express courier. Please use the contact form to specify thickness, facing, and dimensions; we will prepare and dispatch the samples within three business days.
If your project requires a tailored acoustic solution with measurable performance data, reach out to our engineering team to discuss specifications, lead times, and sample availability.
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