Name: Fiberglass Honeycomb Panel
Brand: RaxPanel

Fiberglass Honeycomb Panel

Fiberglass honeycomb panels combine fiberglass skins bonded to lightweight honeycomb cores made from aramid, polypropylene, or aluminum. This sandwich construction delivers exceptional strength-to-weight ratios with excellent stiffness, impact resistance, and dimensional stability across temperature variations.

The panels feature high tensile and compressive strength while maintaining low weight. Aramid honeycomb cores provide compression strength around 276 psi and shear strengths up to 175 psi. The removable peel ply finish ensures bond-ready surfaces for adhesive applications, supporting structural integrity during assembly.

Applications span aviation interiors, marine paneling, truck bodies, building partitions, and renewable energy components. Their corrosion resistance, electrical resistivity, and flame-retardant options make them suitable for aerospace master models, vehicle trailers, ship cabins, and architectural cladding where flat, rigid, lightweight solutions are required.

Standard thicknesses range from 9mm to 75mm, with widths up to 3.2 meters and lengths reaching 12 meters. Computer Numerical Control (CNC) machining enables precision cutting, milling, and drilling. Fabrication involves press-curing epoxy-impregnated fiberglass skins under high temperature and pressure to achieve full consolidation between skins and core.

Source Durable & Lightweight Fiberglass Honeycomb Panels from RaxPanel

As the leading manufacturer of honeycomb panels in China with 20+ years of experience, RaxPanel supplies fiberglass honeycomb panels for various applications. We persist in our core value – top quality panels, punctual delivery, with good pricing. With integrated production lines from core to finished panels, we control both cost and quality, delivering over 1500 m² daily to clients across 30+ countries.

Our fiberglass honeycomb panel consists of two FRP sheets laminated to an aluminum or PP honeycomb core using high-strength PU adhesive. The hexagonal honeycomb structure distributes forces effectively, providing excellent panel strength while maintaining ultra-lightweight properties. This three-layer sandwich construction ensures super tensile strength between skins and core, resulting in panels that offer high impact resistance, durability, and stability across temperatures from -40℃ to +80℃.

These meticulously designed panels are tailored to meet your project’s most stringent requirements in applications including:

truck bodies
architectural cladding
interior partitions
container buildings

The FRP surfaces are scratch-resistant, UV-resistant, and chemical-resistant, ensuring decades of reliable performance under normal conditions.

Feel free to reach out to our team of experts to discuss your project’s specific needs.

Parameter Category	Parameter	Value
General Specifications	Product Type	Fiberglass Honeycomb Sandwich Panel
	Skin Material	Fiberglass Prepreg / FRP Sheets
	Core Material Options	Aramid, Polypropylene (PP), Aluminum Honeycomb
	Standard Finish	Peel Ply (Bond-Ready Surface)
Dimensions	Panel Thickness Range	9 mm to 75 mm
	Core Thickness Options	0.125″, 0.250″, 0.500″
	Max Width	3.2 m
	Max Length	12 m
	Thickness Tolerance	±10%
Physical & Mechanical Properties	Flexural Strength	9.844 MPa
	Compression Strength (Core)	276 psi
	L-Shear Strength (Core)	175 psi
	W-Shear Strength (Core)	88 psi
	Tensile Modulus (Neat Resin)	0.42 msi
	Strain Energy Release Rate (Neat Resin)	34.5 in-lb/in²
	Fracture Toughness (Neat Resin)	4.50 ksi √in
Core Properties	Core Density (Aramid)	3 PCF
	Core Density (PP)	60 – 200 kg/m³
	Core Density (Aluminum)	~35 kg/m³
	Cell Size (Aramid)	1/8″
Material Properties	Linear Coefficient of Thermal Expansion	Low (Dimensional Stability)
	Moisture Absorption (Neat Resin)	7%
	Glass Transition Temperature, Tg dry	171°F
	Resin Content (Prepreg)	45%
	Electrical Resistivity	Excellent
	UV Resistance	Yes (Stabilized)
	Flame Retardant Options	Available
Weight	Areal Weight (0.125″ Core, 1 Ply)	4.1 oz/ft²
	Areal Weight (0.250″ Core, 1 Ply)	4.5 oz/ft²
	Areal Weight (0.500″ Core, 1 Ply)	5.7 oz/ft²
Fabrication & Finishing	Fabrication Method	Hand Lay-up / Press Curing / Thermal Lamination
	Surface Treatment Options	Gel Coat (High-Gloss, Matte), Embossed, Laminated Film, Wood Grain, Stone Pattern
	Customization	CNC Machining (Cutting, Milling, Drilling), Edge Closeouts, Rebating
Applications	Common Uses	Aviation Interiors, Marine Paneling, Truck Bodies, Building Partitions, Renewable Energy Components

Related Products

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GRP Honeycomb Panel

Non-Slip Honeycomb Panel

Thermoplastic Honeycomb Panel

Fiberglass Honeycomb Panel Selection & Engineering Guide

Glass Reinforced Plastic (GRP / FRP) composite skins bonded to structural foam or honeycomb cores provide superior anti-corrosion barrier protection, high flexural strength, and easy maintenance for marine and transport enclosures.

💡 Pro Tip: Delamination Prevention Under Thermal Cycling
At RaxPanel, we utilize automated vacuum lamination with high-performance two-component polyurethane adhesives to ensure a bond strength that absorbs differential thermal expansion without micro-delamination.

1. How to Choose the Right Skin Alloy and Thickness

Outer skin selection governs mechanical impact resistance, corrosion barriers, and structural stiffness across different operating environments.

2. How Well Does the Core Insulate and Withstand Heavy Loads?

The core material acts as the web in an I-beam structure, handling shear stress and maintaining thermal R-value insulation:

Performance Metric	RaxPanel Engineering Standard	Application Advantage
Skin Spec	GRP / FRP Woven Roving Sheet (0.3mm – 2.0mm / 1.0-3.0mm)	High tensile and impact resistance against road debris
Thermal Conductivity	~ 0.028 – 0.038 W/m·K	Consistent thermal R-value energy savings
Adhesive Layer	Two-component PU / Epoxy Adhesive	Delamination-free performance under thermal freeze-thaw cycles

3. Which Surface Finish Will Protect Your Panels for 20+ Years?

Factory roller coating specifies long-term color stability, UV protection, and resistance against industrial pollutants or marine salt spray.

4. How Fire-Safe and Soundproof Are These Panels?

🛡️ Compliance & Acoustic Isolation:

Fire Safety: Formulations comply with EN 13501-1 Class B-s1,d0 and GB8624 Class B1 building fire safety standards.
Sound Damping: Composite core attenuates noise transmission by 24 dB to 30 dB relative to solid metal sheets.

5. Where Are Fiberglass Honeycomb Panels Most Commonly Installed?

🚢 Marine Cabin Bulkheads & Ship Interiors

Salt-spray immune composite bulkheads reducing vessel top-weight.

🚛 Transport Compartments & Chemical Housings

Chemical resistant and high-impact bodywork for aggressive environments.

6. How to Cut, Groove, and Seal Edges During Installation

Panels process easily on-site using standard CNC machinery, routers, or specialized edge profiles for airtight moisture sealing.

Frequently Asked Questions (FAQS)

1. What are the standard panel thicknesses, maximum lengths, and width options available for Fiberglass Honeycomb Panels?

Standard panel thicknesses range from 10mm up to 150mm. Standard widths include 1000mm, 1220mm, and 1500mm, with maximum single-sheet lengths up to 5800mm (5.8m) to fit ocean freight container shipping dimensions.

2. What are the primary engineering benefits of using Fiberglass Honeycomb Panels?

Fiberglass Honeycomb Panels deliver an exceptional stiffness-to-weight ratio, rot-proof moisture resistance, reliable thermal insulation, and dynamic fatigue endurance for high-stress applications.

3. How do these composite panels perform under high humidity and outdoor weathering?

The closed-cell core prevents water logging and condensation absorption, while pre-painted skins provide a 20+ year weatherability barrier against UV degradation.

4. What fire safety ratings and quality certifications do these composite panels meet?

Flame-retardant formulations meet EN 13501-1 Class B-s1,d0 and GB8624 Class B1 fire performance standards. Manufacturing quality is governed under ISO9001 management systems, with raw material performance verified under SGS and CE testing.

5. What surface coating options are available for exterior UV protection?

70% PVDF Fluorocarbon Coating PVDF coating provides a 20+ year exterior weatherability warranty against UV fading and acid rain. FEVE offers high gloss retention, while PE coating is cost-effective for indoor partitions.

6. Can these composite panels be CNC grooved, bent, or edge-sealed on-site?

Yes. Pre-painted skins can be V-grooved at 90° or 135° on the reverse side using standard CNC routers or hand tools, allowing manual edge folding into architectural cassettes without surface paint cracking.

7. How are large panel shipments packaged to prevent freight damage during ocean transit?

Panels are packed with protective PE film on both skins, separated by inter-sheet foam layers, and secured on heavy-duty export wooden pallets or CKD steel crates to prevent shipping damage during 20ft and 40ft container freight.