Product Overview
PC Sound Barrier Panel (Polycarbonate Noise Barrier Panel/Transparent Noise Barrier)
The PC Sound Barrier Panel represents a high-performance noise insulation product integrating modern acoustic engineering with advanced polymer material technology. Manufactured from optical-grade polycarbonate substrate using multi-layer co-extrusion composite technology, this panel incorporates specialized acoustic damping layers and air-gap structures within the sheet to effectively block the propagation of broadband noise including traffic and industrial machinery noise. Unlike traditional metal or concrete noise barriers, this product provides near-transparent visual permeability without compromising acoustic performance, protecting residents along transportation corridors from noise disturbance while maximizing the preservation of natural landscapes and lighting conditions—achieving the perfect balance between environmental functionality and aesthetic value.
Technical Specifications
| Parameter | Specification |
|---|---|
| Base Material | Polycarbonate (PC) |
| Thickness Range | 6mm – 20mm (Standard: 10mm, 12mm, 16mm) |
| Standard Width | 500mm, 1000mm, 1200mm |
| Standard Length | 2000mm – 4000mm (Customizable) |
| Sound Reduction Index (Rw) | 25dB – 35dB (depending on thickness/structure) |
| Light Transmission | 80% – 90% |
| Haze | ≤5% |
| Impact Strength | ≥850 J/m (Notched Izod, ISO 179) |
| Tensile Strength | ≥60 MPa |
| Flexural Strength | ≥90 MPa |
| Flexural Modulus | ≥2300 MPa |
| Heat Deflection Temperature | ≥135°C |
| Linear Expansion Coefficient | 6.5 × 10⁻⁵ /°C |
| Weather Resistance Rating | UV-P2 Grade (Outdoor专用) |
| Flame Retardant | UL94 HB / V2 (Optional) |
| Density | 1.2 g/cm³ |
Product Structure Description
The PC Sound Barrier Panel utilizes advanced triple-layer co-extrusion composite structure:
- Outer layers (top & bottom surfaces): High-purity polycarbonate wear-resistant layers with co-extruded UV protective coating, 0.05-0.1mm thickness, effectively blocking 99% UV radiation to prevent yellowing and aging
- Core layer: Main polycarbonate structural layer providing mechanical strength and fundamental sound insulation, comprising over 80% of total thickness
- Functional layer (optional): Acoustic damping composite layer enhanced with specialized acoustic fillers and microporous structures to improve mid-low frequency noise absorption, increasing overall sound insulation by 3-5dB
Product Features
Superior Acoustic Performance
Based on mass law and damping loss principles, the standard 10mm panel achieves weighted sound reduction index Rw of 28-30dB, while the reinforced 16mm version reaches 32-35dB. The specialized acoustic damping layer is optimized for traffic noise dominant frequency bands (500Hz-2000Hz), delivering 15-20% higher insertion loss compared to standard PC panels of equivalent thickness. Panel edges utilize sealing gaskets combined with metal frames to eliminate flanking transmission, ensuring system-wide acoustic integrity.
High-Clarity Visual Aesthetics
Light transmission reaches up to 90% with haze below 5%, minimally impacting visibility for drivers and residents. Surface finish options include glossy or matte treatments to reduce glare from sunlight reflection. The transparent nature allows the barrier to blend into surrounding environments, avoiding the oppressive feeling of traditional barriers—particularly suitable for scenic routes, coastal highways, and urban core areas.
Extreme Environment Durability
Passes -40°C low-temperature impact tests and 80°C high-temperature creep tests, adapting to both frigid and extreme heat climates. The UV co-extruded surface layer contains high-efficiency UV absorbers and stabilizers; after 5000-hour QUV accelerated aging tests, light transmission retention exceeds 90%, yellowing index ΔY remains below 3, with outdoor service life reaching 15-20 years. Wind pressure resistance meets design requirements for typhoon resistance up to Category 12.
Safety Protection & Vandalism Resistance
Impact resistance is 250× stronger than annealed glass and 15-20× stronger than tempered glass, effectively preventing damage from vehicle collisions, flying debris, and vandalism. Upon breakage, it does not produce sharp fragments, reducing secondary injury risks. Optional surface hardening treatment (H-grade pencil hardness) enhances scratch resistance against mechanical damage during routine cleaning and maintenance.
Lightweight & Efficient Installation
Density of only 1.2g/cm³, weight is 50% of equivalent glass thickness and 30% of tempered glass, significantly reducing transportation and hoisting costs. Modular design pairs with dedicated aluminum alloy or galvanized steel frames using snap-fit or bolted connections—no on-site welding required. Installation speed is 5-8× faster than concrete barriers, with significantly reduced construction noise and dust pollution.
Environmental & Sustainability
100% recyclable material with production energy consumption lower than glass and metal barriers. End-of-life panels can be crushed and recycled, reducing construction waste. Non-toxic and odorless, compliant with ROHS environmental directives, releasing no harmful substances to protect ecosystems along the corridor. Transparent design reduces road lighting energy consumption, indirectly lowering carbon emissions.
Applications
Road Traffic: Expressways, urban express roads, viaducts, tunnel portals, ring roads, scenic boulevards.
Rail Transit: High-speed rail lines, intercity railways, metro elevated sections, light rail systems, tram lines.
Municipal Engineering: Urban arterial road noise barriers, bridge noise enclosures, toll station noise reduction, bus stop shielding.
Industrial Zones: Factory boundary noise control, power plant cooling tower insulation, HVAC outdoor unit barriers, equipment room soundproofing.
Specialized Applications: Roads near airports, port logistics areas, wind farm access roads, natural reserve boundary roads (minimizing visual obstruction).
Design Selection Guide
Acoustic Requirements Assessment:
- Noise level difference <15dB: Select 8-10mm standard type
- Noise level difference 15-25dB: Select 12-16mm reinforced type
- Noise level difference >25dB: Select 16-20mm double-layer composite structure or combine with sound-absorbing materials
Height Design Principles:
Effective barrier height = Receiver line-of-sight height + 1.5m (minimum). Typical heights: 2.5-3.5m for roads, 3.5-5m for high-speed rail, up to 6m for special sections
Installation & Maintenance
Installation Key Points
Post spacing 2.0-3.0m determined by wind pressure calculations; panel thermal expansion gap ≥3mm/m; install from bottom to top ensuring drainage slope; grounding resistance <4Ω, metal frames require lightning protection grounding.
Maintenance Recommendations
Clean surface dust every 6 months (neutral detergent + soft cloth); inspect sealing gaskets annually for aging; check structural fasteners every 2 years; avoid strong acids/alkalis or hard brushes for cleaning.
Why Choose Our PC Sound Barrier Panel?
✓ Acoustic engineering team support—Providing on-site noise testing, acoustic simulation, and customized design solutions.
✓ Structural calculation certification—Issuing wind pressure, seismic, and structural safety calculations meeting project acceptance requirements.
✓ Raw material traceability—Using polycarbonate from international brands like Covestro and SABIC, rejecting recycled materials.
✓ Full-process quality control—12 inspection procedures from extrusion to packaging ensuring panel flatness and dimensional accuracy.
✓ Proven project track record—Successfully applied to 30+ expressways and 10+ urban rail transit projects domestically.
✓ 15-year warranty commitment—Written warranty guarantee, free replacement for yellowing or embrittlement during warranty period.
Ordering Information
Please provide basic project information (road type, design speed, distance between noise source and receiver, noise reduction target value), and our technical team will provide product selection recommendations and preliminary quotations within 24 hours. Sample delivery supported (300×300mm standard samples) for acoustic performance and light transmission testing. ODM customization accepted—panel dimensions, thickness, colors (clear/bronze/blue/green), and surface textures can be adjusted according to project requirements.
Tags：PC Sound Barrier, Polycarbonate Noise Barrier, Transparent Noise Barrier, Highway Sound Wall, Acoustic Barrier Panel, Traffic Noise Control
