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From [Institution name]
Property |
Unit |
Result Cobra® |
Result Exhaust Vent Cobra® Ridge Runner® Exhaust Vent |
Result Cobra® Snow Country Advanced™ Exhaust Vent |
Result Cobra® Snow Country™ Exhaust Vent |
||
---|---|---|---|---|---|---|---|
Width |
mm |
267 |
299 |
292 |
229 |
292 |
292 |
Effective venting Area |
m2 |
0.0085 |
0.0068 |
0.0114 |
0.0191 |
0.0199 |
0.0191 |
Property |
Requirement |
Result Cobra® Exhaust Vent |
Result Cobra® Ridge Runner® Exhaust Vent |
Result Cobra® Snow Country™ Exhaust Vent |
|
---|---|---|---|---|---|
Traffic load |
900 N over 125 mm × 125 mm |
No crack, split, shatter or tear |
Pass |
Pass |
- |
Wind uplift |
40 cycles of 0 to 600 Pa |
No damage |
Pass |
Pass |
Pass |
70 cycles of 0 to 1 200 Pa |
|||||
20 cycles of 0 to 1 800 Pa |
|||||
20 cycles of 0 to 2 500 Pa |
|||||
Watertightness |
80 km/h @15 mins |
No water penetration |
Pass |
Pass |
Pass |
0 km/h @ 5 mins |
|||||
100 km/h @15 mins |
|||||
0 km/h @ 5 mins |
|||||
120 km/h @ 15 min |
|||||
0 km/h @ 5 mins |
|||||
140 km/h @ 15 min |
|||||
0 km/h @ 5 mins |
|||||
170 km/h @ 15 min |
|||||
0 km/h @ 5 mins |
Property |
Unit |
Requirement |
Result |
---|---|---|---|
Thickness |
mm |
≤ 5% from nominal as stated by the manufacturer |
Pass |
Width |
mm |
≤ 1% from nominal as stated by the manufacturer |
Pass |
Mass per unit area |
kg/m2 |
Report nominal value |
1.01 |
Property |
Unit |
Requirement |
Result |
---|---|---|---|
Thickness of liner or shell |
mm |
≤ 5% from nominal as stated by the manufacturer |
Pass |
Overall height |
Pass |
||
Width |
Pass |
||
Length |
Pass |
||
Density |
kg/m3 |
≥ 905 |
906 |
Tensile strength (yield) |
MPa |
≥ 19 |
10.4 Footnote (1) |
Izod impact resistance at 23°C |
J/m |
≥ 70 |
254.4 |
Coefficient of linear expansion |
μm/(m∙°C) |
< 150 |
84.8 |
Classification deflection temperature under load |
°C |
Report value |
82.7 @ 0.455 Mpa |
Classification melt flow rate |
g/10 mins |
Report value |
26.2 |
Property |
Unit |
Requirement |
Result @ 10% compresion |
Result compression @ 25% |
|
---|---|---|---|---|---|
Compressive Strength initial |
kPa |
Report value |
1.92 |
5.73 |
|
Compressive Strength after UV weathering |
% retention of original |
≥ 90 |
171 |
153 |
|
Compressive Strength after UV weathering and heat aging |
% retention of original |
≥ 80 |
132 |
122 |
Property |
Unit |
Requirement |
Result |
|
---|---|---|---|---|
Dimensional change after heat aging |
thickness |
% of original |
≤ 2 |
1.8 |
height |
% of original |
≤ 2 |
-0.2 |
|
width |
% of original |
≤ 2 |
0.5 |
|
length |
% of original |
≤ 2` |
-0.1 |
|
Tensile strength after heat aging |
% retention of original |
≥ 90 |
111 |
|
Izod impact after heat aging |
% retention of original |
≥ 80 |
121 |
|
Izod impact after heat aging and UV weathering |
% retention of original |
≥ 80 |
135 |