Page 19 - Blackburns Sign & Display Product Guide

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17
Sign & Display Product Guide
BCP (POLYESTER COATING) SHEET SPECIFICATIONS
PANEL DIMENSIONS
Panel Thickness
2mm / 3mm / 4mm
Aluminium Thickness
0.3mm
BCP Light
0.21mm Skin
Sheet Weight
3.17m
2
.k / 4.27m
2
.k / 5.10m
2
.k
Thickness
±0.1mm
Width
-1mm ~ +2mm
Length
-1mm ~ +3mm
Diagonal
3mm
Thermal Expansion
4.00 x 10 -5 /
o
C
Aluminium Thickness
±0.02mm
Paint Thickness (micron)
20
Pencil Hardness
HB
Toughness of coating
HB
Impact Strength
50kg . cm
2
, Excellent, without crack
Boiling Water Resistance
Boiling for
2hrs in 99
o
C±1 without change
Acid Resistance
No Change (Immerse in 2% HCl 24hrs)
Alkali Resistance
No Change (Immerse in 2% NaOH 24hrs)
Solvent Resistance
No Change (Cleaned x100, with Xylene by 1kgf)
Cleaning Resistance
No Change (Immerse in 20# Engine Oil 24hrs)
Peel Strength 180
o
5.8 N/mm
Temperature Resistance
50 to 90
o
C
Sound Absorption NRC 0.05
Sound Attenuation Rw db 27 / 28 / 29
Water Absorption % by Vol.
0.01
Thermal Performance
Thermal Deforming
105
o
C - ASTM D 648-01
Thermal Resistance 0.033 (m
2
.k) / W
Thermal Conduction Coefficient 5.31W / m
2
.k
Core Composition
High Pressure LDPE Polyethylene
DIMENSIONAL TOLERANCES
SURFACE PROPERTIES
PRODUCT PROPERTIES (2mm / 3mm / 4mm)