Shade Cover Specifications
Extrablock shade netting is unique with its high tensile strenghts in the warp and weft directions as well as its almost equal elongation properties in both warp and weft directions when under tension.
Featuring:
- high strength
- controlled elongation
- maximum shade
- dimensional stability
- maximum protection against harmful UV rays
- fire retardancy
- and exceptional resistance to UV degradation
-
Rachel wrap knitted and incorporating a lock stitch
-
Heat set (stentered) for dimensional stability
-
Will not rot or support the development of mould and mildew
-
Breathable, allowing air circulation for cooling
Extrablock is available in 6 colours.
Extrablock Specifications
|
Properties
|
Test Method
|
Unit
|
True Blue
|
Forest Green
|
Silver
|
Sunblaze
|
Beige
|
Cream
|
| Fire Retardancy |
|
|
|
|
|
|
|
|
| Raw Material |
|
|
HDPE
|
HDPE
|
HDPE
|
HDPE
|
HDPE
|
HDPE
|
| Mass (Ave) |
ASTM D 3776
|
g/m2
|
330
|
324
|
326
|
320
|
328
|
326
|
| Thickness |
ASTM 1777
|
mm
|
1.34
|
1.31
|
1.32
|
1.26
|
1.32
|
1.31
|
| UPF (UV protection Factor) |
|
|
20
|
13
|
20
|
25
|
8
|
7
|
| UVR Blockout |
|
%
|
95
|
92
|
95
|
96
|
88
|
85
|
| Shade Cover |
|
%
|
93
|
90
|
93
|
95
|
80
|
66
|
| Strip Tensile Test |
ASTM D 4595-86
|
|
|
|
|
|
|
|
| a. Warp |
|
kN/m
|
18
|
18
|
18
|
17
|
18
|
18
|
| b. Weft |
|
kN/m
|
26
|
24
|
26
|
24
|
26
|
26
|
| Elongation at Break |
|
|
|
|
|
|
|
|
| a. Warp |
|
%
|
68
|
68
|
68
|
66
|
68
|
68
|
| b. Weft |
|
%
|
58
|
56
|
58
|
58
|
58
|
58
|
| Burst |
ASTM 3786
|
|
|
|
|
|
|
|
 Strength |
|
kN
|
3.7
|
3.7
|
3.7
|
3.5
|
3.7
|
3.7
|
|
Elongation |
|
%
|
48
|
48
|
48
|
50
|
48
|
48
|
| Tear Strength |
ASTM D 1424
|
|
|
|
|
|
|
|
| a. Warp |
|
N
|
200
|
198
|
200
|
196
|
198
|
198
|
|
Elongation |
|
%
|
92
|
89
|
92
|
90
|
89
|
89
|
| b. Weft |
|
N
|
196
|
196
|
196
|
196
|
196
|
196
|
|
Elongation |
|
%
|
114
|
114
|
114
|
112
|
114
|
114
|
|
Water Runoff0° |
|
%
|
0
|
0
|
0
|
0
|
0
|
0
|
|
10° |
|
%
|
78
|
78
|
78
|
78
|
78
|
78
|
|
20° |
|
%
|
81
|
81
|
81
|
81
|
81
|
81
|
|
30° |
|
%
|
90
|
90
|
90
|
90
|
90
|
90
|
|
40° |
|
%
|
100
|
100
|
100
|
100
|
100
|
100
|
|
50° |
|
%
|
100
|
100
|
100
|
100
|
100
|
100
|
|
60° |
|
%
|
100
|
100
|
100
|
100
|
100
|
100
|
|
70° |
|
%
|
100
|
100
|
100
|
100
|
100
|
100
|
| Temperature Stability |
|
|
|
|
|
|
|
|
| a. Minimum |
|
°C
|
minus 25
|
minus 25
|
minus 25
|
minus 25
|
minus 25
|
minus 25
|
| b. Maximum |
|
°C
|
plus 80
|
plus 80
|
plus 80
|
plus 80
|
plus 80
|
plus 80
|
| Widths |
|
m
|
3
|
3
|
3
|
3
|
3
|
3
|
| Lengths |
|
m
|
32
|
32
|
32
|
32
|
32
|
32
|
| Stability against UV degradation |
|
years
|
8
|
8
|
8
|
8
|
10
|
10
|
| Flame Resistance |
|
|
Meets the California fire Marshalls requirements, Title 19, Section 1237 when tested in the original condition, after weathering and after water extraction.
|
|
|
|||
| Country Produced |
|
|
RSA
|
RSA
|
RSA
|
RSA
|
RSA
|
RSA
|
Note: The values given correspond to average results obtained in Laboratories and are indicative. All information is given in good faith and to the best fo our knowledge is correct and is suplied without guarantee or responsibility.
Inasmuch as ALNET has no control over the use to which others may put the material, it does not guarantee that the same reslults as thos described herein will be obtained. Each user of the material should make his own tests to determine the material's suitability for his own particular use. Statements concerning possible or suggested users of the materials described herein are not to be construed as constituting a license under any ALNET patent covering such use or as recommendations for use of such materials in the infringement of any patent. ALNET or its distributors cannot be held responsible for any losses incurred through incorrect installation of the material. In accordance with our company policy of continual product developement you are advised to check with your local ALNET supplier to ensure that you have obtained the most up to date information.