China Seamless Stone Plastic Composite Wall Panel Manufacturer, Supplier, Factory
When renovating interiors, achieving a flawless, modern aesthetic without compromising on durability is paramount. The seamless stone plastic composite wall panel meets this demand by blending advanced polymer engineering with natural mineral aesthetics. For projects that crave the organic feel of timber, our Wood Grain Interior Stone Plastic Composite Panel replicates authentic grain textures while resisting scratches and moisture. In commercial environments where safety regulations are non-negotiable, the Fire Resistant Stone Plastic Composite Wall Panel provides critical flame-retardant properties. Wet areas like showers or spa zones demand specialized solutions, and the Bathroom Waterproof Stone Plastic Composite Panel completely seals out moisture with a zero-absorption core. Streamlining the installation process, the innovative Click Lock Decorative Stone Plastic Composite Panel empowers contractors to finish large surfaces in hours, not days, using a precision interlocking mechanism that leaves virtually invisible joints.
The Seamless Stone Plastic Composite Wall Panel system is engineered to redefine interior surfacing by eliminating the visual interruptions of traditional paneling. Its unique composition merges crushed natural stone, polymer binders, and specialized processing aids into a dense, homogenous board that resists everyday wear. Unlike conventional cladding, this product can be thermoformed to create gentle curves or wrap around pillars, enabling designers to execute complex architectural visions without compromise. The panel’s sound-dampening core also contributes to quieter office and hospitality spaces, absorbing impact noise more effectively than standard drywall. Maintenance is reduced to simple wiping with a damp cloth, as the non-porous surface repels mold, mildew, and stains permanently.
Core Specifications & Dimensions
- Total thickness availability: 4mm (accent), 8mm (standard), 10mm (high-impact)
- Panel widths: 150mm, 200mm, 300mm, and custom plank profiles
- Standard length: 2800mm / 3000mm; custom lengths up to 3600mm on request
- Surface hardness: Shore D 85+ (ASTM D2240)
- Slip resistance when used on floors: R9 – R11 (DIN 51130) depending on texture
- Lightfastness: Blue Wool Scale 7+ (ISO 105-B02) ensuring color stability for years
- Recycled content: Up to 40% post-industrial mineral waste, supporting LEED credits
Detailed Technical Parameters
| Property |
Test Standard |
Value |
| Density |
ASTM D792 |
1.85 – 2.05 g/cm³ |
| Water Absorption (24h) |
ASTM D570 |
≤ 0.08% |
| Flexural Strength |
ASTM D790 |
≥ 68 MPa |
| Tensile Strength at Break |
ASTM D638 |
≥ 45 MPa |
| Charpy Impact Resistance |
ISO 179-1 |
≥ 22 kJ/m² |
| Coefficient of Linear Thermal Expansion |
ASTM E831 |
≤ 2.2×10⁻⁵ /°C |
| Fire Performance |
EN 13501-1 |
B-s1,d0 (can be upgraded to A2) |
| VOC Emission |
ISO 16000 |
Certified < 0.01 mg/m³ |
| Stain Resistance |
ASTM D2299 |
Rating 5 (no effect by iodine, betadine, mustard) |
| Formaldehyde Content |
EN 717-1 |
Undetectable (E0/E1 exempt) |
The meticulous engineering behind each panel balances raw material purity with calibrated extrusion pressure, removing any air pockets that could lead to delamination. This results in a monolithic structure that handles thermal cycling without warping. Contractors value the lightweight nature—a 10mm panel weighs approximately 9.5 kg/m²—allowing safe handling on upper floors and reducing substructure loads. The locking profile is milled to a tolerance of ±0.1mm, guaranteeing a flush surface that requires no caulking or grout. Stock colors span from cool mineral greys and warm limestone beiges to deep anthracite, with the full palette matching major design trends. Beyond the visible surface, the integral foam core insulates against thermal bridging, giving an extra R-0.45 per panel while deadening airborne sounds. For hygienic zones like cleanrooms or commercial kitchens, the material is also available with an optional anti-microbial additive embedded within the compound, verified through JIS Z 2801 testing. All edge joints stay tightly sealed with the proprietary micro-grip backing, ensuring that even in high-static areas, dust accumulation is minimized and cleaning cycles are extended.
