Understanding
ACP Thickness & Sizes
ACP sheets are made in various thicknesses — 3mm, 4mm, 6mm and more. The right choice depends largely on the height at which the panel is installed, because wind velocity increases with height. As a general guide, thicker panels (4mm–6mm) suit tall buildings such as offices and high-rises, while 3mm suits signage and interiors.
3mm ACP Sheet
Contains a 0.21–0.25mm aluminium alloy coil on the top and bottom layers, over a ~2.5mm core, finished with a two- or three-coat PVDF coating plus a protective film. Best suited to signage and interior applications.
4mm ACP Sheet
Comes in two forms: one with a 3.0mm core and 0.5mm aluminium alloy skins; another with a 3.5mm LDPE core and 0.25mm skins. The difference in core thickness differentiates its use across interior and exterior facades.
6mm ACP Sheet
Aluminium alloy skin of 0.25mm, 0.30mm, or 0.50mm, with a core of 5.5mm, 5.4mm, or 5mm. Its strength lets it resist damage and withstand challenging wind loads — the choice for exterior and high-rise work.
Choosing the Right Thickness
By Area
For interiors, 3mm is the better choice. For exteriors, the panel must be sturdy enough to resist weather and climatic change — which is why 4mm and 6mm are more appropriate.
By Application
ACP is used across signage, 3D screens, event and promotional stalls, trolleys, drawers, and even metro coaches. 3mm panels are typically used for trolleys and drawers; 6mm panels are used for exterior purposes where strength and durability matter most.
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