Honeycomb sandwich panels combined with CFRT composites skins (thermosetting materials and thermoplastic materials) are strong and tough as well as lightweight. In TOPOLO, the PP thermoplastic sandwich panels greatly reduce the cost and minimize the handing operation for producers.
Property comparison between thermoplastic and thermo-setting used in PP honeycomb sandwich panels
| Properties | Thermoplastic Composites | Thermo-setting Composites |
|---|---|---|
| Light Weight | ++++ | ++ |
| Recyclable | Y | N |
| Cross-linked | N | Y |
| Common Materials | PP,ABS, PE,PS, PC | Polyester,Vinyl ester,Epoxy, PU |
| Process | Melted and Formed | From liquid to solid, through polymerization or cross-linking |
Advantages
Lightweight and increased performance;
Excellent impact and compressive resistance;
High strength and rigidity;
No VOC and completely recyclable;
Improved thermal insulation properties
Parameters
| Properties | Test Standards | Units | Typical Value |
|---|---|---|---|
| Weight | / | Kg/m2 | 4.4(25 mm core)
4.8(30 mm core) |
| Impact Resistance | GB/T 1451 | kJ/m2 | >25 |
| Compression Strength1 | GB/T 1453 | MPa | 1.5~2.2 |
| Compressive Modulus1 | GB/T 1453 | MPa | 30～100 |
| Bending Force1 | GB/T 1456 | N | 1200~2500 |
| Shear Strength | GB/T 1455 | MPa | 0.45~0.55 |
Note1: Typical value is affect by the thickness of the sandwich panel.
Application
The PP honeycomb sandwich panels made of CFRT skin (continuous fiber reinforced thermoplastic) composites are widely used in architecture, road construction and car industry.
