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WILLSTRONG® SHP Stone Honeycomb Panel

Lightweight natural stone panels with an aluminum honeycomb core for architectural facades and interiors.

Product Introduction

The WILLSTRONG® SHP Stone Honeycomb Panel combines natural stone veneer with a lightweight aluminum honeycomb core to deliver the elegant appearance of solid stone with significantly reduced panel weight. Compared with conventional solid stone, this composite panel can reduce weight by up to 70%, helping lower structural loads while maintaining a premium natural stone finish.

Designed for high-rise building facades, luxury interior spaces, renovation projects, and architectural applications, the Stone Honeycomb Panel offers a combination of structural rigidity, dimensional stability, impact resistance, and design flexibility. Its honeycomb core is laminated directly behind the stone veneer to improve panel flatness and provide shock absorption, making it suitable for large-format stone applications.

With available fire-rated configurations, customizable dimensions, and a wide selection of stone colors and finishes, SHP provides a practical solution for projects requiring natural aesthetics and lightweight construction.

Key Product Features

1. Lightweight Structure with Reduced Building Load

The aluminum honeycomb core significantly reduces the overall weight compared with solid natural stone. Weight reduction of up to 70% can help minimize facade dead loads and support renovation or high-rise applications where structural loading is an important consideration.

2. High Rigidity and Dimensional Stability

The honeycomb structure provides strong panel rigidity and helps maintain surface flatness. This construction is suitable for large-format stone panels and helps reduce deformation-related risks during handling and installation.

3. Impact Resistance and Shock Absorption

The composite structure combines a stone surface with an aluminum honeycomb core to provide impact resistance and shock absorption. The listed impact resistance is ≥50 kg·cm.

4. Fire Performance Options

Available fire-performance configurations include A2-s1,d0 and B-s1,d0 classifications under EN 13501-1, subject to the tested product configuration. Additional fire test results and standards are listed in the technical information below.

5. Natural Stone Appearance and Design Flexibility

The panel retains the visual character of natural stone while offering multiple color and finish options. Available selections include white, gray, beige, travertine, black, brown, green exotic stone, colorful exotic stone, granite, stone-pattern heat transfer, and special finishes.

6. Surface Durability

The listed surface performance includes pencil hardness of ≥2H, Class 0 cross-cut adhesion, chemical resistance, abrasion resistance, salt spray resistance, and resistance to damp heat and boiling water under the specified test conditions.

7. Custom Dimensions

Panel dimensions can be customized according to stone size and project requirements. Custom panel thicknesses, widths, lengths, and surface selections can be discussed during project specification.

Product Specifications

Item Specification
Product Name Stone Honeycomb Panel
Model WILLSTRONG® SHP
Panel Thickness Options 10, 15, 20, 25, 30, 50, 100 mm
Thickness in Listed Technical Table 10, 12, 20, 25 mm
Metal Sheet Thickness 0.5–1.2 mm
Stainless Steel Layer Thickness in Technical Table 0.7–1.0 mm
Standard Width 600–1200 mm
Panel Length Custom cut length
Panel Width Customized to stone dimensions
Core Material Aluminum honeycomb (AL)
Aluminum Alloy / Temper 3003H26
Surface Marble / natural stone finish
Listed Surface Layer Thickness 5 mm
Initial Gloss 20–80
Fire Rating Options A2-s1,d0; B-s1,d0
Customization Available upon request

Technical Properties

Technical Parameter Unit 10 mm 12 mm 20 mm 25 mm
Section Modulus (W) cm³/m — — 18.1 23.1
Rigidity (EJ) kN·cm²/m 16,500 34,400 138,900 221,600
Modulus of Elasticity N/mm² 70,000 70,000 70,000 70,000
Aluminum Tensile Strength N/mm² ≥130 ≥130 ≥130 ≥130
0.2% Proof Stress N/mm² ≥90 ≥90 ≥90 ≥90
Elongation % ≥5 ≥5 ≥5 ≥5
Linear Thermal Expansion — 2.4 mm/m at 100°C 2.4 mm/m at 100°C 2.4 mm/m at 100°C 2.4 mm/m at 100°C

Note: Dashes indicate values not provided in the original technical data.

Acoustic and Thermal Properties

Parameter Unit 10 mm 12 mm 20 mm 25 mm
Sound Absorption Factor — — — 0.05–0.07 0.05–0.07
Sound Transmission Loss dB — — 21–25 21–25
Thermal Resistance (R) m²·K/W 0.07 0.07 0.09 0.09
Thermal Conductivity W/m·K 0.49 0.49 0.44 0.44
Heat Transfer Coefficient (U) W/m²·K 5.68 5.68 5.58 5.58

Fire Test Standards and Ratings

The supplied fire performance information includes test results and classifications under the following standards:

Region Standard Listed Result
EU EN 13501-1 A2-s1,d0
EU EN 13501-1 B-s1,d0
Germany DIN 4102-7 Passed
Singapore BS 476 Part 6 Fire propagation index = 1.0
Singapore BS 476 Part 7 Class 0
USA NFPA 285 Passed
USA ASTM E84-15a Flame Spread Index 5; Smoke Developed Index 0
China GB 8624-2012 A2-s1,d0
China GB 8624-2012 B-s1,d0
Russia GOST 31251 Passed

Fire classifications and test results should be confirmed against the exact panel construction, thickness, surface material, and applicable project certification requirements.

Surface and Technical Performance

Test Item Performance
Color Difference (ΔE) ≤2.0 within the same batch; ≤3.0 between batches of the same color code
Impact Resistance ≥50 kg·cm
Pencil Hardness ≥2H
Adhesion Class 0 (cross-cut test)
Gloss Deviation ±5 for gloss <10; ±7 for gloss 20–40; ±10 for gloss ≥80
Hydrochloric Acid Resistance No change in 5% HCl solution
Nitric Acid Resistance No blistering or other changes; ΔE ≤5.0
Solvent Resistance No substrate exposure
Mortar Resistance No change
Abrasion Resistance ≥5 L/μm
Salt Spray Resistance Class 1 or better
Accelerated Weathering ΔE ≤3.0; gloss retention ≥60%; other aging properties: Class 0
Damp Heat Resistance Class 1 or better
Boiling Water Resistance Class 0 in cross-cut test

Available Colors and Surface Finishes

The WILLSTRONG® SHP Stone Honeycomb Panel supports a variety of natural stone appearances and decorative finishes to meet different architectural design requirements.

  • White Series

  • Gray Series

  • Beige / Travertine Series

  • Black / Brown Series

  • Green Exotic Stone Series

  • Colorful Exotic Stone Series

  • Granite Series

  • Stone-Pattern Heat Transfer Series

  • Custom Designs

  • Special Finishes

Custom colors, dimensions, and surface selections are available upon request, subject to material and production feasibility.

Applications

The Stone Honeycomb Panel is designed for architectural projects where natural stone aesthetics, reduced weight, and structural performance are required.

Typical applications include:

  • High-rise building exterior facades

  • Commercial and office building cladding

  • Luxury residential facade systems

  • Hotel and hospitality interiors

  • Interior wall cladding and decorative panels

  • Large-format stone architectural features

  • Building renovation and retrofit projects

  • Projects requiring lightweight alternatives to solid stone

Why Choose WILLSTRONG®?

Established in 1995, WILLSTRONG® specializes in facade materials and architectural composite systems, including aluminum composite panels, fire-resistant composites, and aluminum honeycomb products.

The company's background and capabilities include:

  • Established in 1995

  • Recognized among China's TOP 100 facade solutions companies

  • 30+ certifications worldwide

  • 30 years of ongoing support

  • 10+ technology patents

  • 100,000+ success cases

  • Customers in more than 80 countries and regions

WILLSTRONG® focuses on product quality, material development, and facade solutions for diverse architectural requirements. Its product portfolio serves projects that require a balance of appearance, performance, and practical installation considerations.

Customization and Ordering Information

For project-based procurement, buyers can specify the required panel thickness, stone type, color, surface finish, dimensions, and quantity. Custom width and cut length can be arranged according to the stone dimensions and project drawings.

To request a quotation or technical proposal, please provide:

  • Required panel thickness

  • Stone type, color, or finish

  • Panel width and length

  • Estimated order quantity

  • Intended application (exterior facade or interior)

  • Project drawings or technical requirements

  • Applicable fire performance and certification requirements

The WILLSTRONG® SHP Stone Honeycomb Panel offers a lightweight composite alternative for architectural projects seeking the natural appearance of stone, improved panel rigidity, and flexible fabrication options. Contact WILLSTRONG® for product details, customized specifications, and project-based supply support.

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