Non-Woven Thermoplastic PP Honeycomb Panel

Non-woven thermoplastic PP honeycomb panel combines a polypropylene honeycomb core, fiberglass reinforced thermoplastic skins and a non-woven surface layer. The non-woven surface provides a bonding-friendly finish for further lamination with decorative or functional materials, while the PP honeycomb sandwich structure provides lightweight, stiffness and moisture resistance.

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Product Details

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Specification

Material	Polypropylene + Fiberglass + Non-Woven Fabric
Color	White / Customized
Thickness	Customized 6-50mm
Cell diameter	Customized 6-12mm
Length	1-6m
Width	0-1.6m
Core Density	100kg/㎥(Customized : 70-140kg/㎥)

Facing-CFRT Sheets

The panel uses continuous fiberglass reinforced thermoplastic (CFRT) skins to reinforce the PP honeycomb sandwich structure. The thermoplastic fiberglass layers provide stiffness and impact resistance while maintaining a lightweight panel structure. A non-woven surface layer can be added to improve bonding performance for subsequent lamination and composite processing.

Core-Polypropylene honeycomb

The PP honeycomb core is fundamental to the sandwich structure, leveraging a combination of the polypropylene material's properties and the honeycomb geometry. This results in a lightweight, high-strength core with outstanding impact resistance, energy absorption, sound and thermal insulation, chemical resistance, moisture protection, and vibration damping capabilities.

Physical properties of thermoplastic honeycomb panels

Thickness	10mm	12mm	15mm	18mm	20mm
Core Density（kg/㎥）	100	100	100	100	100
Surface Density (kg/m²)	2.88	3.08	3.38	3.68	3.88
Flexural Strength (MPa)	25 - 35	35 - 50	50 - 70	65 - 90	75 - 105
Elastic Modulus (Flexural) (MPa)	1300 - 2200	1800 - 3000	2800 - 4500	3800 - 6000	4500 - 7000
Compressive Strength (Flatwise)(MPa)	2.0 - 3.5	2.0 - 3.5	1.8 - 3.2	1.6 - 2.8	1.5 - 2.6
Thermal Conductivity (W/(m·K))	0.09 - 0.12	0.09 - 0.12	0.09 - 0.12	0.09 - 0.12	0.09 - 0.12

Advantages of Non-Woven Thermoplastic PP Honeycomb Panel

Lightweight Structure
PP honeycomb core reduces panel weight while maintaining a rigid sandwich structure.

High Stiffness
Continuous fiberglass reinforced thermoplastic skins improve panel stiffness and mechanical performance.

Impact Resistant
The thermoplastic composite structure provides good toughness and impact resistance.

Bonding-Friendly Non-Woven Surface
The non-woven surface provides a suitable bonding layer for further lamination with other facing materials.

Moisture Resistant
The polypropylene honeycomb core does not absorb water like traditional wood-based core materials.

Application

The non-woven thermoplastic PP honeycomb panel is suitable for lightweight sandwich structures and applications requiring further surface bonding or lamination, including: