|
|
|
Coverlength
of panel 'L'
|
To be advised by client as per site requirment. |
|
Coverwidth of panel 'W' |
Shall be equal to the coverwidth of lap profiled sheets. |
|
Length
of end lap
'a' |
Standard size is 20mm burt can be varied as per requirment. |
|
Distance
between GRP spacers
'b' |
Shall be equal to the pitch of the purlins. |
|
Thickness
of panels
't' |
Shall be equal to the thickness of composite panel in use. |
| Mechanical Properties | |||
| *Tensile Strength | - | 80 Mpa | ISO 527-1,2-93 |
| *Flexural Strength | - | 120 Mpa | ISO 178-93 |
| *Imact Strength | - | 45kj\m2 | ISO 180-93 |
| *Tensile modulus | - | 8000Mpa | ISO 527-1/293 |
| *Fleural modulus | - | 7000Mpa | ISO 178-93 |
| *Hardness | - | 40-45 | ASTMD 2583-87 |
| *Tensile elongation | - | 1.8% | ISO 527-1,2-93 |
| Thermal Properties | ||
| * Co-efficient of linear expansion | - | 26*10/C |
| * Thermal co-efficient (K) | - | 0.2 W/mk |
| * Operating temperaturs | - | upto 80°C |
| Physical Properties | ||
| *Light translucency | - | 85-90 % |
| *Light translucency | - | 70-75 % |
| * Light diffusion | - | Moderately diffusing |
| * Water absorption (7 days) | - | 31 mg. |
| * Dimensional tolerance | - | Length : 5mm Width : 10mm |