Silicone and polyurethane foam options for EV battery compression pads.

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Compression pads for EV battery packs are required to provide predictable and consistent pressure on the cell (pouch or prismatic) surface as they go through charge/discharge cycles. With silicone and micro-cellular PUR material options, our compression pads have been designed specifically to balance this pressure need with optimal thickness, cost positioning the added benefit of flame resistance. Our EV experts can work directly with you to adjust and develop a solution that fits your exact needs. 

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Sourcing the right material can improve battery performance over the lifespan of an electric vehicle. Discover the requirements and considerations to take into account for your application.

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Silicone
Product Code Thickness, mm Flame Performance ‡Compression Set, %  Density, 
Kg/m3 
CFD
F-12 1.6 - 25.4 UL94 V-0 <5% 190 20*
F-20 0.8 - 12.7 UL94 V-0 <5% 320 70*

* 50% Compression per ASTM D1056

‡ Refer to individual datasheets for specific test conditions.

Polyurethane
Product Code Thickness, mm Flame Performance ‡Compression Set, %  Density, 
Kg/m3 
CFD
PF20 1.0 - 2.0 ASTM D4986 
PASS 
<10% 200-350 9*
PF40 2.0-10.0 ASTM D4986 
PASS 
<10% 200-350 24*
PF100 1.0 - 3.5 ASTM D4986 
PASS 
<5% 140-320 24*

* 30% Compression per ASTM D1667

‡ Refer to individual datasheets for specific test conditions.