ACP - Technical Detail


1. PHYSICAL PROPERTIES

 

Item

Standard

 

Remarks

Panel thickness

 

3 mm, 4 mm

 

Panel thickness 6 mm are available on request

Aluminium cover sheets thickness (Skin)

 

0.25 mm, 0.5 mm

 

Non-standard thickness can be available on request

Core

 

The thermoplastic core LDPE +HDPE

 

The thermoplastic core in panel is a mixture of LDPE & HDPE and non-toxic in nature.

Panel Width

 

1220 mm, 1550 mm

 

Also can be made to customer specification.

Panel Weight Surface

<5.48/m2 ± 7% Exterior face coil coated with PVDF (KYNAR 500, min 70%).

 


Mechanical Properties

ACP is light weight but rigid material. It resists to blows, breakage and high wind pressure and has bending, buckling and breaking strength. The mechanical properties of ACP are as follows (panel thickness 3 mm & 4 mm, skin thickness 0.25 mm & 0.50 mm respectively) :

Item

Unit

Test

 

Standards

 

3 mm

 

4 mm

 

Specific Gravity

 

g/cc

 

1.38

 

1.52

 

Tensile Strength

 

Mpa

 

45.8

 

48

 

ASTM D 638

Yield Strength

 

Mpa

 

43.4

 

44.2

 

ASTM D 638

Flexural Rigidity

 

X105 Kg.mm2

 

7.3

 

14.0

 

ASTM C-393 (20 cm span)

Elongation:

 

 

 

Horizontal Elongation at breaking point

 

%

 

12 %

 

14 %

 

ASTM E-D 638

Vertical Elongation at breaking point

 

%

 

11 %

 

13 %

 

ASTM E-D 638