Regular Aluminum Composite Panel (LDPE. Core)

Physical and Mechanical Properties
Panel Weight: 3 mm – 410 + 0.5 kg/m2 4 mm – 5.00 ± 0.5 kg/me 5 mm – 5.90 ± 0.5 kg/m2 6 mm – 6.85 ± 0.5 kg/me

Mechanical Properties

Test ItemStandardWELLBOND Actual and Test Value
Bending Strength≥ 100 Mpa122 Mpa
Bend Elastic Module≥ 20.000 Mpa30.200 Mpa
Through Resistance, ASTM 0732≥ 9.0 KN10.9 KN
Shear Strength, ASTM D732≥ 28.0 Mpa≥ 35.2 Mpa
180 Degree peeling Strength≥ 7.0 N/mm12.0 N/mm
Temperature Change ResistanceNo changeNo change
Coefficient of Thermal Expansion, ASTM 0696≤ 0.00004 C≤ 0.0000246 C
Heat Deflection Temperature, ASTM 0648≥ 105 C110 C

Coating Performance

Test Item Standard WELLBOND Actual and Test Value
Coating Thickness

≥ 25 µm

≥ 28 µm
Gloss Deviation gloss  70. max permissible deviation  5
gloss <70, max permissible deviation <10
deviation = 1.0
Color Deviation. ASTM 02244 ≤ 2.0 units ≤ 2.0 units
Pencil Hardness ≥ HB 3H
Coating flexibility, ASTM 04145 ≤ 2T 1T
Adhesion Grade. In grid way: Grade 0 – In circle way: Grade 1 in grid way: Grade 0 – in circle way: Grade 1
Impact Resistance. No peel-off, no crack at 5O kg.cm No peel-off, no crack
Abrasion Resistance, ASTM 0968 ≥ 5 L/um ≥ 7.7 L/um
Hot Water Resistance No color change, crack & peel-off at 98-100C in 120 min  No color change, no crack & no peel-off 
Stain Resistance ≤ 15%  1.03% 
Acid Resistance, ASTM 01308 No change  No change  
Alkali Resistance. ASTM 01308 No change  No change  
Oil Resistance, ASTM 01308 No change  No change  
Solvent Resistance, ASTM 02248 No change  No change  
Brush Resistance ≥ 10000 times of no change   No change 
Salt Fog Resistance. ASTM 13117 ≥ Grade 2   Grade 1

Aging and Weather Resistance

Color Deviation

Gloss Retention Grade

Other Aging Performance

≤ 3.0
 ≥ Grade 2
Grade 0
 1.9
Grade 1
Grade 0

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