aluminium composite board specification
1. Standard Sizes
Regular stock size: 1220×2440mm (4ft×8ft)
Custom length & width for large facade or small sign blanks
2. Thickness & Aluminium Skin
Total thickness: 2mm / 3mm / 4mm / 5mm / 6mm
2/3mm: Signage, indoor decoration
4mm: Standard exterior wall cladding
5/6mm: Roof, heavy-duty outdoor facade
Aluminium skin thickness: 0.18 / 0.21 / 0.30 / 0.40 / 0.50mm
Skin alloy: AA3003 / AA5005 anti-rust grade
3. Core Material
PE Polyethylene core Low cost, signage, indoor, low-rise store front
FR Fire-retardant mineral core (B-s1,d0) Mid-rise commercial exterior wall
A2-s1,d0 Non-combustible full mineral core High-rise, hospital, metro, airport public buildings
4. Surface Coating Classification
PE Polyester Coating Indoor use, exhibition sign, interior wall, low budget
PVDF 3-coat Fluorocarbon Coating (AAMA 2605 standard) Outdoor long-term use, anti-UV, anti-salt spray, 20–25 years color warranty
Special finishes: white primed print surface, solid color, metallic, brushed, mirror, wood grain, stone grain, nano self-clean
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