Our PP honeycomb core with a 19mm thickness is an advanced lightweight structural material engineered for demanding sandwich panel applications. The polypropylene honeycomb geometry offers an
Our PP honeycomb core with a 19mm thickness is an advanced lightweight structural material engineered for demanding sandwich panel applications. The polypropylene honeycomb geometry offers an outstanding strength-to-weight ratio, making it an ideal replacement for traditional solid-core materials. Its consistent cell structure ensures reliable mechanical performance, dimensional stability, and excellent impact resistance across a wide range of industrial uses.
This 19mm-thick core is specifically suited for applications where a robust, yet light, middle layer is essential. It can be easily bonded to skins of aluminum, fiberglass, carbon fiber, or plywood to create rigid, flat panels. The closed-cell nature of the polypropylene provides inherent moisture resistance and good chemical resilience, supporting durable performance in both indoor and outdoor environments.
The 19mm thickness provides an optimal balance between rigidity and weight. The honeycomb structure distributes loads efficiently, allowing the finished panel to maintain flatness and resist buckling under stress. With a typical density range that can be tuned through cell size variation, this core material is well suited for transportation interiors, boat building, wind energy components, and architectural cladding.
Standard sheet sizes can be customized to fit production requirements, and the core can be supplied in block or continuous form. Its thermoplastic nature also permits thermoforming into curved shapes, offering designers greater freedom. The 19mm thickness delivers a sturdy foundation for medium‑to‑large panel applications without introducing unnecessary mass.
The polypropylene honeycomb core offers a smooth, clean cell wall finish that promotes excellent adhesive bonding. Its inherent toughness improves the panel’s overall impact absorption and fatigue resistance. Because it is fully recyclable and free of volatile organic compounds, it also supports sustainability goals in manufacturing.
The 19mm core can be easily cut with standard woodworking tools, routed, and shaped to precise dimensions. This simplifies integration into automated panel production lines or low‑volume custom fabrication. Its low water absorption and resistance to many chemicals make it dependable for marine hulls, truck bodies, clean‑room partitions, and outdoor furniture.
The core’s combination of structural reliability and light weight makes it attractive for boat builders, automotive component suppliers, sign makers, composite panel manufacturers, and equipment distributors who require consistent, high-quality sandwich core materials.
Specification |
Details |
Material |
100% Polypropylene (PP) |
Core Thickness |
19mm |
Cell Size |
Available in multiple configurations (typical: 8mm, 10mm, 12mm) |
Density Range |
Lightweight, typically 40–80 kg/m³ (depending on cell size) |
Cell Structure |
Closed-cell honeycomb |
Color |
Natural / White (custom colors available) |
Standard Panel Dimensions |
Customizable; contact for common sheet sizes |
Properties |
High strength-to-weight, moisture resistant, chemical resistant, impact absorbing, recyclable |
Recommended Use |
Sandwich panels for automotive, marine, wind energy, transportation, building, furniture, and industrial applications |
The PP honeycomb core with 19mm thickness delivers a reliable, lightweight solution for engineered composite panels. Its polypropylene construction, closed-cell design, and consistent 19mm profile provide a stable and workable core for a broad range of sandwich structures. With custom cell sizes and panel dimensions available, it is a versatile material choice for manufacturers and distributors seeking to improve panel performance while reducing overall weight.





