WILLSTRONG® SHP Stone Honeycomb Panel

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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