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A thin ETFE film, F-CLEAN® Greenhouse Film is the preferred covering material for horticultural greenhouses as it lets in more light than glass, PE film, polycarbonate and PMMA sheets. By allowing maximum UV light transmission, F-CLEAN ensures earlier harvest of better quality fruit and vegetables and more colorful flowers. More on F-CLEAN here: http://ow.ly/mUJHS.
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AGC Green-Tech Co.Ltd.
ETFE Foil for Greenhouse
Asahi Glass Company Profile
1. Founded September 8, 1907
* The first sheet-glass producer in Japan
2. Sales JPY 1,148 billion (Year 2010)
* World’s Largest Glass Company.
3. Employees 47,618
Toshiya Iwasaki Hand blow method
AGC Asahi Glass Co. Group –
Glass
Flat Glass
Automotive Glass
Others
Float Glass
Laminated Glass
Heat absorbing
Heat Reflecting
Laminated
Tempered
Glass fibre
OthersChemicals
Fluorochemicals
Chloro, Alkali & Urethane
Fluoropolymers (PTFE, ETFE, etc.)
ETFE Film
Gas & solvents
Water & oil repellents
Ion exchange membranes
Pharmacetical Intermediates
Caustic Soda
Potassium Carbonate
Sodium bicarbonate
HCl
Vinyl Chloride Products
Urethane
Electronics & Display
Display
Electronic Material
Flat panel display
Plasma screen
LCD screens
Display material
Semi conductor
process material
Fluon® ETFE FILM is high-performance film produced
by AGC with its own [Fluon® ETFE] resin.
Fluon® ETFE FILM shows the excellent features,
and is used in various applications.
AGC’s advantage is to develop and produce both resin and film.
C
H
H F
C C C
H
H
F
F
F
nm
What is ETFE FILM ?
Ethylene-Tetrafluoroethylene copolymer
Weather Resistance
Chemical resistance
Heat resistance
-100 to 180c
Mechanical property
Non-flammability
(UL 94 V-0)
Anti-stick property
(Antifouling)
Anti-condensation
can be added
Light transmittance
Dielectric properties
Light can be controlled
by wave length range
Various Applications of ETFE FILM
Structure Roof and façade Greenhouse covering
Energy Solar-cell protection Battery insulation
Electronics Release film for FPC Release film for semiconductor
Others Protective film surfaces Wallpaper surface Thermo molded parts
Polymerization of Fluon ETFE
……
Polymerization of
Fluon ETFE
……
Extruding of Fluon ETFE film
Extruding
Extruder
Extruder
Fluon ETFE film
Process of Fluon ETFE Film
AGC Green-Tech Co.Ltd.
ETFE Foil for Greenhouse
Fluon ETFE Product
Self-Cleaning
Long Life and Durability
Fire Safety
More Light Then Glass
Low Reflection and
Refraction Rate
Improved Crop Quality
FILM Options
Clear – UV Open
Light Diffused
Anti-dripping
UV Block – UV Cut
Light Block – Soft Shine
Thickness Variations
Light transmission of F-CLEAN Clear (60micron) is 94%!!*Light transmission is measured according to JIS standard.
Light transmission
Low reflection
0102030405060708090
100
0 20 40 60 80
Tra
nsm
issio
n o
f S
olo
r ra
dia
tio
n (
%)
Incident angle
Glass(4mm)
F-CLEAN Clear(100μm)
Producer AGC AT Plastics Ginegar Hyplast Plastika Kritis Visqueen
Film name F-CLEAN Dura 3 Sunsaver HYTILUX Sunmaster Luminance
Thickness(μm) 100μm 150μm 200 200 150 150
Tensile strength at Break 58MPa 25.6MPa 21.2MPa 23MPa 22MPa -
Elmendolf tear strength 21N 7.5N - - -
Elongation at break 400% 658% - 550% 500% -
High mechanical property
It does not expand further.
Cut the film which is under the constant
air-pressure. Cut
Long Service Life:
Greenhouse in Japan
Over 20 years
Greenhouse in Kyushu
Installed in 1988
Photographed in 2008
Greenhouse in Aichi
Installed in 1988
Photographed in 2009
F-CLEAN Diffuse F-CLEAN Clear
Clear type Diffuse type
Shadow
Function
F-CLEAN Diffuse
0
10
20
30
40
50
60
70
80
90
100
200 300 400 500 600 700
波長(nm )
全光線光学チャート比較
全光線透過率(%)
ClearDiffuse
Light transmission
Wavelength (nm)
Lig
ht tr
an
sm
issio
n (%)
Poly PVC F-CLEAN
Non-stick Properties
Easy or Self Cleaning Surface
Dust accumulation upon film
0
0.1
0.2
0.3
0.4
0.5
april
june
augu
st
octo
ber
nove
mbe
r
dece
mbe
r
janu
ary
du
st
(g/m
2)
PE measured (1 m²) F-Cleanmeasured (1 m²)
Chemical Resistance
ChemicalTemp.
(℃)Days
Retention (%)
Elong. Wt. Gain
Conc. Hydrochloric acid 35% 100 10 100 0.0
Sulfuric acid 78% 121 10 100 0.1
98% 121 10 100 0.0
Nitric acid 25% 100 14 100 -
60% 120 10 100 0.7
70% 60 60 100 -
Sodium Hydroxide 10% 120 10 97 0
50% 120 10 100 -0.3
Ammonium Hydroxide 15% 66 7 98 0.1
Chlorine 90 10 94 -
Water 100 7 100 0
Installation type for ETFE FILM
1. Single Layer 2. Cushion Type (Multi Layer)
Fastener
Film
Frame
Tension Tension
Air Pressure
Heating time
0
10
20
301/
1
1/3
1/5
1/7
1/9
1/11
1/13
1/15
1/17
1/19
1/21
1/23
1/25
1/27
1/29
1/31
Date
min
ites
Single
Double
<Test conditions>
Period: 01/Jan/2008 to 31/Jan/2008
Set-point temperature in G/H: 10deg.C
Location: Kouchi, Japan
(LAT. 33deg.C, Ave.winter temp.: 6deg.C
<Result>
49% lower while the quality of
crop is maintained
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
Nov Dec Jan Feb
Month
Oil
cons
umpt
ion
(lite
r)
Single
Double layer
Oil consumption comparison
<Result>
24.8% lower while the quality of
crop is maintained
<Test conditions>
Period: 01/Nov/2006 to 28/Feb/2007
Set-point temperature in G/H: 18 deg.C
Location: Hokkaido, Japan
(LAT. 42deg.C, Ave.winter temp.: -10deg.C
Crop Reactions
・Young plant grown under F-CLEAN
became more robust, more resistant
to sudden climate change.
・As a result, time consuming work of
getting the plants familiarized to Sun light
has been omitted.
Location: Munich, Germany
Crop: Young plant of roman lettuce
Installed on: Feb. 2003
Photographed on: Sep.2003
Right: Under F-CLEAN
Left::Under PE
0
5
10
15
20
25
M iddle layer
stem
U pper layer
stem
M iddle layer
branch
U pper layer
branch
D iffuse
C lear
Evaluation of F-CLEAN Diffuse by Wageningen UR
Photosynthesis
Stem Branch
<Period of evaluation>
Apr. 2006 to July 2006
<Crop>
Cucumber
Location: Vicinity of Frunkfurt, Germany
Crop: Young plant of lettuce
Installed on: Apr. 2004
Photographed on: June. 2005
Left: Under F-CLEAN Right :Under Glass
【Use’sTestimonials 】F-CLEAN provides far better ultraviolet
transmission than glass. That has prevented
the abnormally elongated seedlings that result
from insufficient light and from an unbalanced
light spectrum. Our seedlings are compact and
robust. They stand up to automated planting in
the field. F-CLEAN has given us more-stable
supply capacity, as well as lowering our
operating costs.
Location: London, U.K
Crop: Young plant of lettuce
Installed on: May. 2005
Photographed on: June. 2006
Monitored by I.R.T.A.
(Agricultural institute in Spain)
Yield comparison (tomato)
0
2
4
6
8
10to
mat
o y
ield
(kg
/㎡
)
F-CLEAN PE/EVA
roofing
F-CLEAN
PE/EVAMore
Harvest!!
9.5kg/㎡
7.6kg/㎡
Number of flower per plant (Pelargonium)
0
0.5
1
1.5
2
2.5
3
04/20/00 04/27/00 05/04/00 05/11/00
F-CLEAN PE
Yield comparison (Pot plant)
Monitored by CeRSAA
(Agricultural institute in Italy)
F-CLEAN PE
PE
F-CLEAN
Grown under F-CLEAN
Grown under Poly film
Greenhouse
Applications
F-CLEAN
Roof bar distance is 2m
Glass
Roof bar distance is 1m
Glass F-CLEAN
ドイツ(1層フルオープン)
Upper layer: F-CLEAN Clear
Bottom layer: Glass
Upper layer: F-CLEAN Clear
Bottom layer: Glass