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Feature

ALUCOBEST® data sheet

4mm 0.50AL Aluminium Composite Panel

1.Product composition

ALUCOBEST ®  aluminum composite panel has a LDPE(Low-Density Polyethylene ) core sandwiched between two skins of 0.5mm  thick aluminum alloy (3003 or 5005).

Composition

Coating material:

PVDF

Skin material:

0.5mm thick

Core material:

LDPE

The surface is finished with a high-performance PVDF coating as standard, back side is mill finish aluminium or service coating by polyester.

2. Product dimension and tolerance

(1) Panel thickness:   4 mm

(2) Panel size: Standard Width = 1220mm,1250mm

Special Width =1500mm,1550mm,2000mm

Length = less than 6000 mm

Note: Custom length can be accepted

(3) Product tolerance

Width: ±2.0 mm

Length: ±3.0 mm

Thickness: ±0.2 mm

Bow: Maximum 0.5% (5mm/m) of the length or width Squareness (diagonal difference): Maximum 5.0 mm

  1. Properties

1)  Mechanical properties of Aluminum Composite Material (ACM):

Testing Item

Standard

Result

Unit Weight

ASTM D792

5.81kg/m2

Outdoor Temperature Resistance

ASTM D1654

No Abnormity

Thermal Expansion

ASTM D696

3.0×10-5 /°C

Thermal deformation Temperature

ASTM D648

115°C

Thermal Conduction

ASTM 976

0.102 kcal/m.hr°C

Flexural rigidity

ASTM C393

14.0 x 105

Impact resistance

ASTM D732

20kg.cm

Adhesive strength

ASTM D903

0.74kgf/mm

Sound-insulating rate

ASTM E413

29dB

Flexural Elasticity

ASTM D790

4055kg/mm2

Shear resistance

ASTM D732

2.6 kgf/mm2

Minimum bending radius

ASTM D790

>=300mm

Fire propagation

ASTM E84

Qualified

Smoke developed

ASTM E84

<45

Wind-Pressure Resistance

ASTM E330

Passed

Properties against water

ASTM E331

Passed

Properties against Air

ASTM E283

Passed

(2) PVDF Coating Finish

Testing Item

Standard

Result

Finish Coat Thickness

ISO 2360(CNS 8406)

>=26um

Gloss

ASTM D523-99

20-45%

Pencil hardness

ASTM D3363-00

2H

Toughness

ASTM D4145-83

2T no rift

Adhesive force

ASTM D3359-97

4B

Impact resistance

ASTM D2794-93

>100kg.cm

Abrasion resistance

ASTM D968-93

64.6L/mil

Mortar Resistance

ASTM D605.2-91

24hrs no blister

Humidity resistance

ASTM D714-97;ASTM D2247-02

3000hrs no blister

Boiling-water resistance

ASTM D3359-B

Passed

Salt-Spray resistance

ASTM B117-03

3000hrs no blister

Acid resistance

ASTM D1308-87 AAMA 605.2-91 TEST #7 7.31

No Effect

Alkali resistance

ASTM D1308-87

Passed

Solvent resistance

ASTM D2248-73

ECCA T5&NCCA NO.11-18

Passed

Color retention

ASTM D2244-93

△E=0.34

Chalk resistance

ASTM D4214-98

No Chalking

Gloss Retention

ASTM D2244-93

84.2%