Printed Circuit Board Assembly & PCB Design SMT Electronics Assembly Manufacturing Forum

Printed Circuit Board Assembly & PCB Design Forum

SMT electronics assembly manufacturing forum.


Conformal coating for 90% humidity

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prod eng

#36559

Conformal coating for 90% humidity | 8 September, 2005

I wonder if anybody could spec a conformal coating or simalar application, to protect PCB's at 90% humidity. Standard HPA from electrolube does not work if the humidity is in excess of 75%.

Cheers

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#36565

Conformal coating for 90% humidity | 8 September, 2005

Try contacting Humiseal. They are BIG in conformal coating materials:

http://www.humiseal.com/

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#36568

Conformal coating for 90% humidity | 8 September, 2005

Urethane CC have greater resistance to solvents than acrylic CC

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#36569

Conformal coating for 90% humidity | 8 September, 2005

Slaine

#36576

Conformal coating for 90% humidity | 9 September, 2005

we use humiseal for military a customer, in an aerosol can, gives good results

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Plasma Prior to Conformal Coating

SMT Prototype Stencils - BEST, Inc.