Fire Retardant Aluminum Composite Panel (A2)

SN.

PROPERTIES

STANDARD

UNIT/REF

3 mm

4 mm

6 mm

PRINCIPAL PROPERTIES

1

Thickness Sheet

MM

4 MM

2

Skin thickness

MM

0.5 MM

3

Alloy

(1100, 3003 3105, 5005) H16

4

Weight

±0.5 kg/M2

7

8.30

10

5

Standard weight

MM

1000, 1250, 1500, 1600

PRODUCT TOLERANCE

6

Weight

MM

±2

7

Length

MM

±3

8

Thickness

MM

±0.2

±0.3

9

Squareness

MM

Max 5

10

Bow

%

±0.5

MECHANICAL PROPERTIES

11

Tensile Strength

ASTM E8

MPA or N/MM2

56

43.00

25

12

0.2 % Proof stress

ASTM E8

MPA or N/MM2

47

41.00

22

13

Elongation

ASTM E8

%

4.8

3.80

2

14

Flexural elasticity, E

ASTM C 393

GPA or KN/MM2

45

38.5

26

15

Flexural rigidity, Ex1

ASTM C 393

KN mm2/mm

110

203

395

ACOUSTICAL PROPERTIES

16

Sound Transmission Loss

ASTM E413

dB

26

27

17

Sound Absorption Factor

ISO 354

0.05

THERMAL PROPERTIES

18

Deflection Temperature

ASTM D648

ºC

110

19

Thermal Resistance R

ASTM C518

M2 K/W

0.031

20

Temperature Resistance

ASTM C518

ºC

 

21

Linear Thermal Expansion

EN 1999 1-1

MM/M @ 100  ºC

2.4

CORE FIRE PERFORMANCES

22

Core

Excellent Performance Non-Combustible

Mineral Filled Core

23

Reaction to Fire

EN 13501-1

A2, S1, d0

24

Surface Burning Characteristics

ASTM E84

Class A / Class 1

25

Self-lgnition

Temp

ASTM D 1929

Not Less Than 343  ºC

26

Exterior  Non-Load
 Bearing Wall Assembly

NFPA 285

 

Passed Various Assembly Tests (Listings Reference: MH-ATD-001 & MH-AED – 004 Rev 0)

 

27

Fire Rating

ASTM E 119

 

(Listings Reference: MH-AED-3 Hrs Rev 6)

 

COATING PERFORMANCES

28

No of Coats

AAMA 2605 – 13

Standard 2coat / 3 Coat / 4 Coat

29

Type I Finish

Standard NANO PVDF / PVDF / FEVE / HDPE

30

Gloss @ 60°C

%

20-40 / 20-80

31

Adhesion (Dry Condition)

No Adhesion Loss

32

Pencil Hardness

Min HB

Test Item

Standard index

WELLBOND Actual and Test Value

Coating Thickness

≥25μm

≥28μm

 

gloss ≥ 70, max permissible deviation ≤ 5
gloss < 70, max permissible deviation ≤ 10

 

Color Deviation. ASTM D2244

≤ 2.0 units

≤ 2.0 units

Pencil Hardness,

≥ HB

3H

Coating Flexibility, ASTM D4145

≤ 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 50 kg.cm

No peel-off, no crack

Abrasion Resistance. ASTM D968

≥ 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 , crack & peel-off

Stain Resistance

≤ 15%

≤ 1.03%

Acid Resistance. ASTM D1308

No change

No change

Alkali Resistance, ASTM Dl308

No change

No change

Oil Resistance. ASTM D1308

No change

No change

Solvent Resistance. ASTM D2248

No change

No change

Brush Resistance

≥ 10000 times of no change

No change

Salt Fog Resistance. ASTM B117

 Grade 2

Grade 1

Aging and Weather Resistance
Color Deviation
Gloss Retention Grad
Other
Aging Performance

≤ 3.0

≥ Grade 2

Grade 0

1.9

Grade 1

Grade 0