Current Position:Home - Product - Product

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 
Shrinkage150*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