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High-Density Polystyrene (PS) Wall Panels - Material Performance & Technical Specification
1. Product & Material Overview
High-Density Polystyrene (PS) Wall Panels represent an advanced, polymer-based interior decorative solution engineered to deliver superior structural stability, visual refinement, and technical endurance. Produced through precision extrusion technology, PS panels possess a dense micro-cellular matrix that far surpasses traditional timber, MDF, or PVC cladding in dimensional uniformity, weight efficiency, and environmental safety.
2. Key Physical & Mechanical Performance Properties
Featuring a non-porous closed-cell molecular structure, PS wall panels exhibit near-zero water absorption (<0.1% under ASTM D570 testing). They are completely immune to water damage, preventing swelling, warping, delamination, and the growth of mold, mildew, or rot. This makes them exceptionally suitable for humid environments, basements, and coastal developments.
Superior Dimensional & Thermal Stability:
PS wall panels maintain structural integrity across wide ambient temperature variations (-10°C to 60°C). With a low coefficient of thermal expansion, the panels resist thermal expansion, shrinkage, and bowing, ensuring seamless joints and straight wall alignments over long service periods.
Formulated with high-rigidity polymer resin, PS panels deliver high flexural strength and surface impact resistance. They withstand regular mechanical wear, accidental bumps, and surface scratching in high-traffic commercial and residential spaces without denting or cracking.
Eco-Friendly, Non-Toxic & Zero Formaldehyde (E0 Grade):
Manufactured from 100% recyclable virgin and high-grade polystyrene materials, PS panels contain no formaldehyde, lead, heavy metals, or hazardous volatile organic compounds (VOCs). They satisfy E0 indoor air quality standards, supporting healthy living environments and green building certifications (LEED-compliant).
Insect & Termite Resistance:
Because PS panels are entirely synthetic and organic-matter-free, they provide no food source or nesting environment for wood-boring insects, termites, or bacteria. They require no chemical pesticide treatments during production or maintenance.
UV Stability & Long-Lasting Color Retention:
Utilizing advanced surface finishing techniques-such as hot-stamping foil technology and UV-resistant topcoats-PS wall panels retain color clarity, luster, and realistic textures without premature yellowing, fading, or peeling when exposed to interior natural lighting.
3. Workability & Technical Specifications Summary
| Performance Metric | Test Standard / Condition | Performance Value / Level |
| Density | ASTM D792 | 0.35 – 0.55 g/cm³ (High-Rigidity Cellular) |
| Water Absorption | ASTM D570 (24h Immersion) | < 0.1% (Waterproof) |
| Formaldehyde Emission | EN 717-1 / GB 18580 | E0 Grade / Non-Detectable |
| Fire Reaction Rating | EN 13501-1 | Class B1 Flame Retardant |
| Thermal Expansion | ASTM D696 | ≤ 5.0 × 10⁻⁵ /°C |
| Pest Resistance | Standard Synthetic Matrix | 100% Termite Proof |
4. Installation Efficiency & Field Workability
Ultra-Lightweight Profile: PS panels are significantly lighter than solid wood, WPC, or stone composites, drastically reducing freight costs and physical labor during transport and installation.
Precision Interlocking Jointing: Built with precise tongue-and-groove joint profiles, the panels fit together seamlessly, concealing adhesive lines and surface nails.
Standard Tool Compatibility: PS panels can be easily cut, mitered, drilled, and routed using standard woodworking tools without chipping, cracking, or edge splintering.
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