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1 Positively Innovative Durable fluoropolymer coating base ZELE for PV

2 Daikin Industries luorochemicals luorocoating ZELE GK ZELE GK application example ZELE GK for PV backsheet

3 Daikin Industries orporate Data ompany Name Daikin Industries, Ltd. (Head Office: Osaka, Japan) Incorporated 1934(founded in 1924) apital Sales Number of Employees Number of Group ompanies 85 billion yen 1,783 billion yen (fiscal 2013:consolidated) 56,240 (March, 2014:consolidated) 209 consolidated subsidiaries (28 in Japan; 181 overseas) (March, 2014) 3

4 Daikin Industries Daikin Group ompanies : 209 companies (March,2014) Other Sales Breakdown by Global Region Japan Overseas 5,128 (29%) 12,703 (71%) (hundred million yen) Americas 20% Europe 14% Asia & Oceania 13% Japan 29% hina 18% Ratio of Overseas Sales 71% (fiscal 2013:consolidated) 4

5 Properties of luorine ompounds Unique properties of luorine ompounds Heat resistance lame resistance Water and Oil proof We are driven to give innovative solutions for our partners based on these properties and our core technologies. hemical resistance Low gas permeability Weather resistance Lubricity Non- stick Anti-fouling Insulation performance Low refractive index 5

luorochemical Manufacturing Process A wide variety of luorochemical products Offering a wide variety of luorochemicals deriving from fluorspar. Sulfuric acid H 2 SO 4 hloroform etc.

6 luorochemical Manufacturing Process A wide variety of luorochemical products Offering a wide variety of luorochemicals deriving from fluorspar. Sulfuric acid H 2 SO 4 hloroform etc. fluorspar Anhydrous fluoric acid H luorocarbon gas Etching agents Monomer luoropolymers luoropolymer ilms luoroelastomers luoro oatings Water and oil repellents luorinated antifingerprint oatings Mold release agents Additives luorinated intermediates luorinated oils, etc. 6

7 oating material developing history year base monomer weather ability bake or cure onsite paint chemical resistance soil remove ability chlorine 2 base excellent high temp. bake unable bad fair free l base fair rt~ cure able fair fair chlorine base ZELE GK excellent rt~ cure able excellent excellent free luoropolymer transition for various exterior coating 7

8 hemical structure of ZELE GK (4 type) Tetra fluoro ethylene Polyflon Teflon PTE Modifying eature: Weatherability hemical resistance Heat resistance ault: Poor solvent solubility High temp bake No compatibility Resolving fault as it leaves the feature TE Weatherability hemical stability Heat resistance H H H Y OH ross-linkage TE H H H Z oatability ompatibility with additives 8

9 Weather Resistance test for ZELE coating % Gloss Retention Gloss retention White panel (TiO2), exposure slope: 30 facing south 120 ZELE GK Acrylic urethane in Okinawa oating surface after exposure (By SEM) ZELE GK onventional Acrylic urethane % Gloss Retention Acrylic urethane Years of Exposure ZELE GK in lorida ZELE GK (lear) Acrylic 6 Y 3 Y 9

Supplier Light Source Test ondition QUV QUV/se Q-Panel Lab

10 Accelerated durability Test for ZELE coating ZELE GK Acrylic The Accelerated Weathering Test ondition Machine Supplier Light Source Test ondition QUV QUV/se Q-Panel Lab Products UVB-313 ASTM D4587 4hours UV/60 4hours condensation/50 10

11 Accelerated durability Test for ZELE coating QUV-test (2000h) ZELE GK(±0u) Polyurethane (-14u) 45μ 45μ 45μ 31μ initial 45μm QUV- 2000h 45μm initial 45μm QUV- 2000h 31μm 11

12 Advantage of ZELE 4 ZELE 4:TE 3L:TE TE TE l l very strong Bond energy -: 485kJ/mol (strong) MAX UV energy kJ/mol TE l UV weak -l: 326kJ/mol (weak) -l: bond cleavage l - 12

13 Advantage of ZELE 4 ~Dispersibility~ Dispersibility 20 Gross Disper time(min) Daikin ZELE 4 luorocoating A luorocoating B %T Light transmittance nm Light transmitta nce 25 μ ZELE % (450nm) B 4.06% (450nm) P/B (TiO2/Resin) = 0.83, Solid cont.=58% 13

14 Advantage of ZELE 4 ~Weatherability~ S-UV 1000h clear paint on white board ZELE 4 luorocoating 3 Acrylic type 14

15 ZELE GK application example Monorail in Okinawa 青岛海湾大桥武汉天兴州大桥 15

16 ZELE GK application example 南京大胜关长江大桥杭州湾大桥苏通长江大桥辽河特大桥嘉绍跨江大桥泸州泰安长江大桥 16

17 ZELE GK application example 港珠澳大桥海中桥隧工程总长约 35.6km, 其中香港段长约 6km, 粤港澳三地共同建设的主体工程长约 29.6km 主体工程分为桥梁工程和岛隧工程两部分, 其中桥梁工程长约 22.9km. 钢箱梁涂装面积为 570 万平方米, 氟碳树脂用量在 280T 左右 17

(1) : 41wt% H H PVD type (2) : 59wt% -oat type backsheet oating

18 -type Backsheets of various kinds -ilm type backsheet ilm ilm Adhesive PET EVA side PET polyethylene terephthalate H H H PV type (1) : 41wt% H H PVD type (2) : 59wt% -oat type backsheet oating EVA side l oating PET TE type (3l) : 49wt% TE type (4 ZELE GK) : 76wt% 18

19 Advantage of ZELE Backsheet No adhesive between ZELE and PET/EVA. Adhesive ZELE GK -ilm EVA side EVA side -ilm Polyester ZELE GK Polyester Reduction in fluoro-layer thickness by more than half -ilm -ilm layer ZELE oating ZELE coating layer 38~20μm ゼッフル塗膜層 10~13μm PET ilm layer PET ilm layer 19

(38μ) -coat type (10μ) Nylon type substrate peel tape 60 PET PET multilayer (containing

20 Backsheet Technical Data ~Weatherability~ Test with S-UV Tester (UV 100mW/cm 2 :12hrs 95%RH :12hrs) Retention of Tensile Strength (%) ZELE GK / PET / ZELE GK (10μ) -film type (38μ) -coat type (10μ) Nylon type substrate peel tape 60 PET PET multilayer (containing barrier layer) (hr) 100/100 (0hr) 100/100 (600hrs) Adhesion of ZELE (cross-cut test) 20

21 試験機 : サンシャインウェザーメーターフィルタ条件 : #255 Backsheet Technical Data ~Weatherability~ BS photo after SWOM 1000h B-1 KPX KPT 放射照度 : 78.5 W/ m2 ( nm) BPT : 63 槽内湿度 : 50%rh スプレー : 120 分中 18 分 0h 0h サンプルサイズ :60 50mm 1000h 1000h 倍率 :100 倍 78.5W/m2( nm) 63 50%RH shower:18min/120min B-2 TPX TPE Results of collaborative research with Suga Weathering Technology oundation スガウェザリング技術振興財団 B-3 ZPX ZPE B-4 PPX PPE 21

22 Backsheet Technical Data ~Weatherability~ Super Xenon WOM 180W/m2( nm) 63 50%RH shower:18min/120min Sunshine WOM 78.5W/m2( nm) 63 50%RH shower:18min/120min Results of collaborative research with Suga WeatheringTechnology oundation スガウェザリング技術振興財団 22

5.64 8.00 2.29 8.60 YI 6.56 4.36 1.96 4.

23 Backsheet Technical Data ~Weatherability~ Outdoor-exposure test for 18months at Suga Test Instruments ( 東京新宿 ) KPX TPX ZPX PPX E YI Results of collaborative research with Suga WeatheringTechnology oundation スガウェザリング技術振興財団 23

24 Module Technical Data ~Weatherability~ Retention of generating efficiency after Damp heat 3500hrs Power generation efficiency keeping ratio ilm BS (-30) DH elapsed time [hrs] Results of collaborative research with AIST consortium 産総研コンソーシアム 24

25 Module Technical Data ~Weatherability~ initial DH4000 ZPE oating BS Pmax: 96.4% uncorroded Pmax: 27.0% corroded ilm BS Pmax: 45.8% corroded Pmax: 15.7% corroded Results of collaborative research with AIST consortium 25

26 Advantage of ZELE Backsheet ~onclusions~ fluorine type non-fluorine type ilm type oating type ilm type Disperse pigment UV shielding Weatherability Thickness 20~40μm 10~30μm 30~50μm Adhesive necessary unnecessary necessary ost ost performance ZELE 26

27 高沙窝 50MW 南非 lesedi 155MW And more 27

Interactive Technology Overview Interactive Technology Overview Out-Cell (Add On) On-Cell In-Cell Hybrid

Date : 20130531 Time : 13:30~15:00 Speaker : (Chen-Pang Kung) Cellular : +886-920-148235 Email : eric_kung.tw@yahoo.com.tw 1 Interactive Technology Overview Interactive Technology Overview Out-Cell (Add