Aluminium Composite Sign Panel - PROBOND ClassicX21

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PROBOND ClassicX21® is a great intermediate panel for all types of general signage applications.

The PROBOND ClassicX21 aluminium composite panel is specifically designed for general signage applications. It is versatile and offers superior performance and stability, making it an excellent choice for sign makers who require reliable and durable materials.

Key features include:

0.21mm Skin Thickness: This intermediate thickness ensures durability while being light enough for easy handling and installation.
Variety of Sizes: The panels come in various sizes to suit different project needs.
Protective Film: Each panel is covered with a clear protective film, allowing for easy colour identification and protection during transport and handling.
Processing Capabilities: The panels can be easily CNC routed and folded, making them suitable for various fabrication methods and creative designs.

Durable Signage Panels

PROBOND ClassicX21 panels are designed to withstand harsh environmental conditions, ensuring long-lasting performance and minimal maintenance. They are ideal for use in both indoor and outdoor signage, providing a high-quality, professional finish that meets the demands of modern sign-making.

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Colour options

Gloss White

Matt White

Gloss Jet Black

Panel Properties

Panel Thickness (mm)	3mm
Skin Thickness (mm)	0.21mm
Weight (kg/m2)	4.25 kg
Sound Absorption	0.05
Sound Attenuation	24
Water Absorption % by Volume	0.01
Thermal Performance R Values	0.008
Core Composition	LDPE
Tensile Strength of Aluminium Layers	32MPa

Dimensional Tolerances

Panel Thickness (mm)	3 mm
Width (mm)	-0 +2 (+/- 0.2)
Length (mm)	-0 +3 (+/- 0.2)
Diagonal	-0 +5 (+/- 0.2)
Thermal Expansion	2.4mm/m @100°C temp difference
Aluminium Thickness	0.21 mm

Surface Properties

Paint Thickness (microns)	18±1μm
Pencil Hardness	2H
Toughness of Coating	≤2T
Temperature Resistance	-50℃ -80℃
Impact Strength (kg/CM2)	30kg/cm2. No crack
Boiling Water Resistance	Boiling for 2hrs without change
Acid Resistance	Immerse surface with 2%HCL(v/v) for 24H without change
Alkali Resistance	Immerse surface with 2%NaOH(m/m) for 24H without change
Oil Resistance	Immerse surface with 20# engine oil for 24H without change
Solvent Resistance	Clean 100 times with Methyl Ethyl Ketone (MEK) without change
Peel Strength	5.5 N/mm