RENOLIT REFLEXOLAR OSBS - Preliminary Technical Datasheet

Copyright © 2015 RENOLIT - All rights reserved. All trademarks are property of their respective owners. No parts of this sheet may be reproduced, copied, adapted, translated or transmitted in any form or by any means, without prior written permission from RENOLIT. The material in this sheet is for informational purposes only and is subject to change without prior notice. No responsibility or liability is assumed by RENOLIT for any errors, which may appear in this datasheet. TDS_OSBS_28052015_V6_E_1

RENOLIT REFLEXOLAR OSBS T h e o n e - s t e p m u l t i l a y e r B a c k s h e e t

Preliminary Technical Datasheet

PRODUCT FEATURES STANDARD (requirement) UNIT VALUE tolerance Total thickness - [µm] 330 (-5 /+ 10 %)

Density - 1,17

Weight - [g/m2] 385

Adhesion to EVA 180° peal test BS/EVA/BS [N/cm] >60

Adhesion between layers [N/cm] Coextruded backsheet

WVTR @ 23ºC 100% RH ASTM F1249 [g/m2.day] 0.45

Dielectric Strength IEC 60243-1 (min. 6 kV) [kV] >16 / PASS

Comparative Tracking Index (CTI) IEC 60664-1 [V] 600

Max. System voltage IEC 61730 (> 1000 VDC) [VDC] > 1200 / PASS

Relative Temp. Index IEC 60216 (min. 105ºC) [ºC] > 110 / PASS

Flame Spread Index (FSI) ASTM E 162:2013 (< 100) < 100 (preliminary result)

UV resistivity ISO 4892-2: 1500 hours PASS

PRACTICAL INFORMATIONS Width Standard width: 1000 mm ± 3 mm. Different width upon request

Packaging On reel, packed in hermetically sealed aluminum bag with desiccant

Length on reel 50 m (sample reel), 300 m, 1250 m. Customized length upon request, precut format upon request

Surface finish Matt

Color variants White, Black and White (sunny side Black)

Shelf life 6 months when kept in original package and stored at ambient conditions

HS Halogen free, produced with solvent free adhesives. Production scrap partially recycled in the backsheet. This information and all technical and other advice are based on RENOLIT’s present knowledge and experience to date 30/04/2015. However, RENOLIT assumes no liability for such information or advice, including the extent to which such information or advice may relate to third party intellectual property rights. It is the sole responsibility of the applicant to test and validate the compatibility and suitability of REFLEXOLAR OSBS EXP product in combination with the applicant’s selected components, its manufacturing process and application. RENOLIT disclaims all representations and warranties, whether express or implied, and shall have no liability for, merchantability of the product or its fitness for a particular purpose (even if RENOLIT is aware of such purpose), or otherwise. RENOLIT shall not be responsible for consequential, indirect or incidental damages (including loss of profits) of any kind.

Page 1 of 2

RENOLIT REFLEXOLAR OSBS is an

experimental proprietary, co-extruded

multilayer Polyolefin – Polyamide

BACKSHEET designed for the crystalline

Silicon (cSi) cell PV module manufacturing

industry.

CONSTRUCTION:

①②③ White formulated PP ④ White PA ⑤ White PE ⑥ Transparent PE

RENOLIT REFLEXOLAR OSBS - Preliminary Technical Datasheet

Copyright © 2015 RENOLIT - All rights reserved. All trademarks are property of their respective owners. No parts of this sheet may be reproduced, copied, adapted, translated or transmitted in any form or by any means, without prior written permission from RENOLIT. The material in this sheet is for informational purposes only and is subject to change without prior notice. No responsibility or liability is assumed by RENOLIT for any errors, which may appear in this datasheet. TDS_OSBS_28052015_V6_E_1

RENOLIT REFLEXOLAR OSBS T h e o n e - s t e p m u l t i l a y e r B a c k s h e e t

Preliminary Technical Datasheet

PRODUCT FEATURES STANDARD (requirement) UNIT VALUE tolerance Total thickness - [µm] 330 (-5 /+ 10 %)

Density - 1,17

Weight - [g/m2] 385

Adhesion to EVA 180° peal test BS/EVA/BS [N/cm] >60

Adhesion between layers [N/cm] Coextruded backsheet

WVTR @ 23ºC 100% RH ASTM F1249 [g/m2.day] 0.45

Dielectric Strength IEC 60243-1 (min. 6 kV) [kV] >16 / PASS

Comparative Tracking Index (CTI) IEC 60664-1 [V] 600

Max. System voltage IEC 61730 (> 1000 VDC) [VDC] > 1200 / PASS

Relative Temp. Index IEC 60216 (min. 105ºC) [ºC] > 110 / PASS

Flame Spread Index (FSI) ASTM E 162:2013 (< 100) < 100 (preliminary result)

UV resistivity ISO 4892-2: 1500 hours PASS

PRACTICAL INFORMATIONS Width Standard width: 1000 mm ± 3 mm. Different width upon request

Packaging On reel, packed in hermetically sealed aluminum bag with desiccant

Length on reel 50 m (sample reel), 300 m, 1250 m. Customized length upon request, precut format upon request

Surface finish Matt

Color variants White, Black and White (sunny side Black)

Shelf life 6 months when kept in original package and stored at ambient conditions

HS Halogen free, produced with solvent free adhesives. Production scrap partially recycled in the backsheet. This information and all technical and other advice are based on RENOLIT’s present knowledge and experience to date 30/04/2015. However, RENOLIT assumes no liability for such information or advice, including the extent to which such information or advice may relate to third party intellectual property rights. It is the sole responsibility of the applicant to test and validate the compatibility and suitability of REFLEXOLAR OSBS EXP product in combination with the applicant’s selected components, its manufacturing process and application. RENOLIT disclaims all representations and warranties, whether express or implied, and shall have no liability for, merchantability of the product or its fitness for a particular purpose (even if RENOLIT is aware of such purpose), or otherwise. RENOLIT shall not be responsible for consequential, indirect or incidental damages (including loss of profits) of any kind.

Page 1 of 2

RENOLIT REFLEXOLAR OSBS is an

experimental proprietary, co-extruded

multilayer Polyolefin – Polyamide

BACKSHEET designed for the crystalline

Silicon (cSi) cell PV module manufacturing

industry.

CONSTRUCTION:

①②③ White formulated PP ④ White PA ⑤ White PE ⑥ Transparent PE

Cell side

Outside

RENOLIT REFLEXOLAR OSBS - Preliminary Technical Datasheet

Copyright © 2015 RENOLIT - All rights reserved. All trademarks are property of their respective owners. No parts of this sheet may be reproduced, copied, adapted, translated or transmitted in any form or by any means, without prior written permission from RENOLIT. The material in this sheet is for informational purposes only and is subject to change without prior notice. No responsibility or liability is assumed by RENOLIT for any errors, which may appear in this datasheet. TDS_OSBS_28052015_V6_E_1

EXTENDED DATA STANDARD (requirement) UNIT Typical Value

MECHANICAL & THERMAL CHARACTERISTICS Tensile Strength:

Stress at Break (MD/TD): Elongation at Break(MD/TD):

ISO 527-2 15 mm strips 15 mm strips

[MPa]

[%]

15 /14

250 / 200

Elastic Modulus (MD/TD): DMA at 25 ºC [MPa] ~ 720 / ~ 455

Elastic Modulus (MD/TD): DMA at 85 ºC [MPa] ~ 180 / ~ 100

Dimensional Stability 3 min. @150ºC [%] < 0.5% / < 0.5%

E-layer melt temperature DSC [ºC] ~120

Max. processing temperature [ºC] < 160

PHYSICAL & DURABILITY CHARACTERISTICS Light reflectance % UV/VIS/NIR spectroscopy [%] See chart 1

Permeability: WVTR and Acetic Acid Permeability of REFLEXOLAR OSBS versus benchmark TPT1 backsheet: see Table 1.

Chart 1: Solar Reflectance REFLEXOLAR OSBS EXP White

Table 1: Paired comparison study Water and Acetic Acid permeability of REFLEXOLAR OSBS backsheet versus TPT backsheet

RENOLIT Belgium NV | Industriepark De Bruwaan 9 | 9700 Oudenaarde Belgium T +32 55 33 97 11 | F +32 55 31 96 50 |E reflexolar@renolit.com |W www.renolit.reflexolar.com page 2 of 2

1 TPT: TEDLAR®/glue/PET/glue/TEDLAR®. TPT is a typically UV resistant high performance backsheet construction, used in the comparison study as a benchmark. Tedlar® is a polyvinyl fluoride (PVF) material. Tedlar® is a registered trademarks of E. I. du Pont de Nemours and Company

TPT OSBS(g/m2.day) (g/m2.day)

@23 ºC per 2815 Pa water vapour (= 100% RH) 0,72 0,45

@37.8 ºC per 6600 Pa water vapour (= 100% RH) 2,14 1,85

@ 55 ºC per 6600 Pa water vapour 2,73 3,38

@ 85 ºC per 6600 Pa water vapour 3,95 8,4

TPT OSBS(g/m2.day) (g/m2.day)

@ 60 ºC 3 100

TPT: 0.35 mm, OSBS: 0.37 mm

Acetic Acid Permeability (AAP)

Water Vapour Transmission Rate (WVTR)

RENOLIT REFLEXOLAR OSBS - Preliminary Technical Datasheet

Copyright © 2015 RENOLIT - All rights reserved. All trademarks are property of their respective owners. No parts of this sheet may be reproduced, copied, adapted, translated or transmitted in any form or by any means, without prior written permission from RENOLIT. The material in this sheet is for informational purposes only and is subject to change without prior notice. No responsibility or liability is assumed by RENOLIT for any errors, which may appear in this datasheet. TDS_OSBS_28052015_V6_E_1

EXTENDED DATA STANDARD (requirement) UNIT Typical Value

MECHANICAL & THERMAL CHARACTERISTICS Tensile Strength:

Stress at Break (MD/TD): Elongation at Break(MD/TD):

ISO 527-2 15 mm strips 15 mm strips

[MPa]

[%]

15 /14

250 / 200

Elastic Modulus (MD/TD): DMA at 25 ºC [MPa] ~ 720 / ~ 455

Elastic Modulus (MD/TD): DMA at 85 ºC [MPa] ~ 180 / ~ 100

Dimensional Stability 3 min. @150ºC [%] < 0.5% / < 0.5%

E-layer melt temperature DSC [ºC] ~120

Max. processing temperature [ºC] < 160

PHYSICAL & DURABILITY CHARACTERISTICS Light reflectance % UV/VIS/NIR spectroscopy [%] See chart 1

Permeability: WVTR and Acetic Acid Permeability of REFLEXOLAR OSBS versus benchmark TPT1 backsheet: see Table 1.

Chart 1: Solar Reflectance REFLEXOLAR OSBS EXP White

Table 1: Paired comparison study Water and Acetic Acid permeability of REFLEXOLAR OSBS backsheet versus TPT backsheet

RENOLIT Belgium NV | Industriepark De Bruwaan 9 | 9700 Oudenaarde Belgium T +32 55 33 97 11 | F +32 55 31 96 50 |E reflexolar@renolit.com |W www.renolit.reflexolar.com page 2 of 2

1 TPT: TEDLAR®/glue/PET/glue/TEDLAR®. TPT is a typically UV resistant high performance backsheet construction, used in the comparison study as a benchmark. Tedlar® is a polyvinyl fluoride (PVF) material. Tedlar® is a registered trademarks of E. I. du Pont de Nemours and Company

TPT OSBS(g/m2.day) (g/m2.day)

@23 ºC per 2815 Pa water vapour (= 100% RH) 0,72 0,45

@37.8 ºC per 6600 Pa water vapour (= 100% RH) 2,14 1,85

@ 55 ºC per 6600 Pa water vapour 2,73 3,38

@ 85 ºC per 6600 Pa water vapour 3,95 8,4

TPT OSBS(g/m2.day) (g/m2.day)

@ 60 ºC 3 100

TPT: 0.35 mm, OSBS: 0.37 mm

Acetic Acid Permeability (AAP)

Water Vapour Transmission Rate (WVTR)

Industriepark De Bruwaan 43 | 9700 Oudenaarde Belgium

Wavelength (nm)

Reflectance

R[%]

300 400 500 600 700 800 900 1000 1100 12000

10

20

30

40

50

60

70

80

90

100