Brand: Alumaster and OEM. 4mm ACP PVDF aluminium composite panels for exterior wall caldding FR Panel size: Customised; Standard 1220mm* 2440mm. Panel thickness: 3mm, 4mm( recommended) . Aluminum thickness: 0.21mm, 0.30mm, 0.40mm, 0.50mm. Coating: PVDF. Optional treatment: fireproof core. Non-standard sizes and special colors are available upon request.