Insulation Strip-----CPC/BEVA
Product Series
| Model | Structure | Thinckness | Color |
| BEC-201 | F-coating/PET/F-coating | 10μm/125μm/10μm | White /Black |
| BEC-201D | F-coating/PET/F-coating | 10μm/250μm/10μm | White /Black |
| BEC-201T | F-coating/PET/F-coating | 10μm/125μm/10μm | Transparent |
| BEVA-201 | EVA/F-coating/PET/F-coating | 100μm/10μm/125μm/10μm | White /Black |
| BEVA-201D | EVA/F-coating/PET/F-coating | 100μm/10μm/250μm/10μm | White /Black |
| BEVA-201T | EVA/F-coating/PET/F-coating | 100μm/10μm/125μm/10μm | Transparent |
Introduction
Firstbacksheet®BEC-201&BEVA-201 are two types of insulation strips containing hydrolysis resistant PET layer and fluorine layer. It is widely used to separate and position the bus bar with the bubble-free lamination condition and excellent performances in electric insulation, weather durability and prolong adhesive property.
Basic Property
Property
Quoted
Standard
Unit
BEC-201
BEC-201D
BEC-201T
BEVA-201
BEVA-201D
BEVA-201T
Thickness
/
μm
145
270
145
245
370
245
Peeling Strength with EVA
GB/T 2790-1995
N/10mm
>100
>100
>100
>100
>100
>100
Volume resistivity
GB/T 1410-2006
Ω.cm
>3*1015
>3*1015
>3*1015
>3*1015
>3*1015
>3*1015
Dielectric
Strength
ASTM D149-1997
kv/mm
>100
>100
>100
>100
>100
>100
Shrinkage（150℃*30min
, MD/TD）
GB/T 13542.2-2009
%
<0.3/0.3
<0.3/0.3
<0.3/0.3
<0.3/0.3
<0.3/0.3
<0.3/0.3
Transmittance(400-700nm)
GB/T 29848-2013
%
<10
<5.0
>85
<10
<5.0
>85
Haze(400-700nm)
GB/T 29848-2013
%
/
/
<25
/
/
<25
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