 
Coverings are a very important choice because
they represent the location where maintenance
costs are concentrated.
For these reasons they must be:
1. long life
2. efficient
3. resistant
AGRIMEC installs several types of materials:
| Materials |
PE
polyethylene film |
PC
polycarb. sheets |
PVC
sheets |
PC-PET
sheets |
VR
fiberglass |
PVC
poliester tarpaulin |
| - |
 |
 |
 |
 |
 |
| Brand |
- |
- |
Ondex Bio 2 |
Monoclear Ht |
Vetroplast |
Elytop / Filon |
- |
| Structure Format |
rolls |
double layer |
wave 76/18 |
wave 78/18 |
rolls wave 76/18 |
sheets wave 76/18 |
warp/weft
8x8 wires/cm |
| Installation Way |
single |
double inflated |
vertical alveolus direction |
vertical wave direction |
vertical wave direction |
vertical wave direction |
vertical wave direction |
pull by elastic cord |
| Available width |
width
da 2,5 ÷13,5 m |
2,1 m x 6 m
1,5 m x 6 m
0,6 m x 6 m |
width
1,112 m |
width
1,08 m |
0,5x40m
1x40m
2x40m
2,5x40m
3x30m
3,5x30m
4x20m |
width
1,66 m
1,65 m |
on size
measurements |
| Thickness (mm) |
0,15
0,20 |
6 |
0,9 |
0,8 |
0,80 |
not
declared |
not
declared |
| Weight (Kg/m2) |
0,20 |
1,30 |
1,45 |
1,20 |
1,00 |
1,45 |
0,63 |
| Duration |
1÷4 years |
3÷4 years |
10 years |
10 years |
10 years |
6 years |
10 years |
8 years |
| Transparency |
good
88% |
not so bad
80% |
not so bad
80% |
very good
89% |
very good
90% |
not so bad
82% |
opaque |
| Isolation |
bad |
good |
very good |
bad |
bad |
bad |
bad |
| Thermal dilatation mm/mK |
- |
0,065 |
0,067 |
0,058 |
0,027 |
- |
| Fire reaction |
- |
- |
class 1 |
class 1 |
class 1 |
self-extinguishing
class 1 (on request) |
self-extinguishing
class 2 (on request) |
| Recommended to cover |
vertical sides roll-up windows |
roof |
fronts up-down windows |
fronts up-down windows |
fronts roof up-down windows |
fronts up-down windows |
fronts roof up-down windows |
sliding fronts roof vertical sides |
Polyethylene film
European norm: EN 13206:2001
Film duration:it's determined following
the procedure described in the European norm
EN13206, exposing plastic film in suitable
machines equipped with specific lamps (those
lamps irradiate a radiation similar to solar type).
To determine film duration, the adopted criterion
only considers material degradation obtained
in laboratory through the quick artificial ageing
(Weather-o-meter or Wom).
The duration of a covering material is proportional
to the period of exposure to the artificial ageing
after which mechanical properties
are not considered as more sufficient.
Film classification on the base
of artificial accelerated ageing
| Film class |
Duration (hours) |
| N |
≥ 400 |
| A |
≥ 1700 |
| B |
≥ 3200 |
| C |
≥ 4600 |
| D |
≥ 6000 |
| E |
≥ 7300 |
Correlation between natural ageing and artificial
accelerated ageing (for film PE, EVA and EBA)
Climatic area
kLy/year |
Predicted duration of film (years)
Exposition to Wom (hours) |
| |
1 year |
2 years |
3 years |
4 years |
| 70-100 (North-Europe) |
1700 |
3500 |
5300 |
7100 |
| 100-130 (Center-Europe) |
2800 |
5600 |
8400 |
|
| 130-160 (South-Europe) |
3900 |
7800 |
|
|
North Italia 120 kLy/year
South Italia 140 kLy/year
Our proposal for PE films
| Classification: |
Class E |
| Denomination: |
AGRIMEC UV-EVA-AF |
| Composition/additives/duration: |
Composition: 3 layers coex
Duration: UV-stabilized
45 months for center Europe
33 months for Italy
21 months for north Africa
Additives: EVA (greenhouse effect)
AF (anti-fog)
Color: transparent |
| Measurement specifications: |
Thickness (μm): 200
Available sizes (m):
4 folded: 6 / 8 / 8,5 / 9 / 9,5 / 10
10,5 / 11 / 12 / 12,5 / 13,5
2 folded: 2,5 |
| Optical and thermal specifications: |
Thermal effect: 80%
Total transmittance: 90%
Diffusing light: 22% |
|
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|
