ZOFLEX® ZL45.1 Pressure-Activated Conductive Rubber Sheets
$34.50 – $229.50Price range: $34.50 through $229.50
Application notes:
1. Attaching ZL45.1 to a metal plate:
Method A: RTV silicone adhesive/sealant can be used to bond ZL45.1 to a metal plate. Please make sure that silicone adhesive does not cover the contact area between the metal plate and ZL45.1.
Method B: Our FL series of Liquid Conductive Rubber (sold separately) can be used to bond ZL45.1 to a metal plate. It can be applied in the same fashion as silicone adhesive/sealant or it can cover the entire contact area if desired.
Method C: Foam tape can be used to make a frame on the metal plate and then place ZL45.1 inside the frame.
2. Attaching ZL45.1 to an interdigital “finger” pad on PCB:
Method A: RTV silicone adhesive/sealant can be used to bond ZL45.1 to a PCB. Please make sure that silicone adhesive does not cover the contact area between the interdigital finger pad and ZL45.1.
2. Wire Attachment:
Method 1: Use our Zoflex® FL conductive liquid rubber (sold separately). Please make sure to apply enough liquid conductive rubber to achieve thickness (after cure) of at least 1mm.
Method B: Foam tape can be used to make a frame on PCB and then place ZL45.1 inside the frame.
Note: For surface areas larger than 1in2, to prevent rubber from forming a vacuum with the metal plate or PCB, some relief holes should be punched in the rubber, for example:
Description
ZOFLEX® ZL45.1 is a pressure sensitive conductive rubber with a Shore A hardness of 45. Its resistance change with pressure is very drastic: the material is at a high resistance state>30MΩ when applied pressure is below the actuation pressure; the material is at a very low resistance state (can be ≤0.1Ω) when applied pressure is equal or above the actuation pressure. It can be used in applications such as conductive rubber keypads, mechanical pressure switches, RF gaskets and etc… Its unique pressure activated conductivity simplifies product design since it can rest on the conductive media without creating electrical shorts. Compared to typical carbon pills (0.15” diameter, 0.015” thick), it has a similar actuation force (<200g) but has a lower contact resistance (200Ω typical for carbon pills), and does not create potential shorts due to carbon residue accumulation on PCB traces.
ZL45.1 – Shore A hardness 45
6″ x 6″ | .02″ thick – .04″ thick – .06″ thick
12″ x 12″ | .02″ thick – .04″ thick – .06″ thick
