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PROBOND ClassicX21® is a great intermediate panel for all types of general signage applications. Available in a wide range of sizes with a 0.21mm skin thickness, the PROBOND ClassicX21® range is the ideal choice for every day panel requirements for sign-makers.

It is suitable for CNC routing and folding and comes with clear protection film for quick and easy colour identification.

  • ISO9001
  • HenkelAdhesives
  • PPGIndustries
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ACP Panel Board - PROCORE A1 - PROBOND
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Colour options

PROBOND UltraFR Gloss White Gloss White
Matt White Matt White
PROBOND ClassicX21 Gloss Jet Black Gloss Jet Black

Technical information

Panel Properties

Panel Thickness (mm)3mm
Skin Thickness (mm)0.21mm
Weight (kg/m2)4.25 kg
Sound Absorption0.05
Sound Attenuation24
Water Absorption % by Volume0.01
Thermal Performance R Values0.008
Core CompositionLDPE
Tensile Strength of Aluminium Layers32MPa

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 Expansion2.4mm/m @100°C temp difference
Aluminium Thickness0.21 mm

Surface Properties

Paint Thickness (microns)18±1μm
Pencil Hardness2H
Toughness of Coating≤2T
Temperature Resistance-50℃ -80℃
Impact Strength (kg/CM2)30kg/cm2. No crack
Boiling Water ResistanceBoiling for 2hrs without change
Acid ResistanceImmerse surface with 2%HCL(v/v) for 24H without change
Alkali ResistanceImmerse surface with 2%NaOH(m/m) for 24H without change
Oil ResistanceImmerse surface with 20# engine oil for 24H without change
Solvent ResistanceClean 100 times with Methyl Ethyl Ketone (MEK) without change
Peel Strength5.5 N/mm

Size & Colour Availabilities

Colour2440x12203000x12203660x12203050x15004000x1500
Gloss White✓✓✓✓✓
Matt White✓✓✓✓✓
Gloss Jet Black✓✓✓✓

Product gallery

PROBOND ClassicX21 Aluminium Composite Panel PROBOND ClassicX21 Aluminium Composite Panel PROBOND ClassicX21 Aluminium Composite Panel PROBOND ClassicX21 Aluminium Composite Panel

Product downloads

PROBOND ClassicX21 Overview
Product Overview

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

Download PDF - 4.7MB
PROBOND_ClassicX21_TDS
Technical Data

Technical Data and Properties of PROBOND ClassicX21®

Download PDF - 167 KB
PROBOND_ClassicX21_Size_Availabilities
PROBOND ClassicX21® Size Availabilities

Panel colours and size availabilities

Download PDF - 92 KB
PROBOND_ClassicX21_MSDS
MSDS

Material Safety Data Sheet for PROBOND ClassicX21®

Download PDF - 124 KB
PROBOND_ClassicX21_Processing
Processing

Your guide to processing PROBOND ClassicX21®

Download PDF - 439 KB
PROBOND_ClassicX21_Typical_Specification
Typical Specification

Specify PROBOND ClassicX21®

Download PDF - 59 KB
PROBOND Warranty Statement - ClassicX21-X30
Warranty Statement

Warranty Statement PROBOND ClassicX21®

Download PDF - 76 KB

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If you’d like to request a sample, use our online selector to choose up to five samples.

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Call Probond 1300 72 73 74
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