What material to use for component staking?

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Looking to find out what materials are commonly used for sta... - Jan 18, 2010 by DeanM

Usually the print specifies the material since the design is... - Jan 18, 2010 by MikeS

Search the fine SMTnet Archives to find threads like: ... - Jan 20, 2010 by davef

We used to use Scotch DP460 for Apache helicopter electronic... - Jan 21, 2010 by JimD

DeanM

#60863

What material to use for component staking? | 18 January, 2010

Looking to find out what materials are commonly used for staking (aka. bonding) through hole components to the PCB in order to withstand vibration in a military (class 3) environment. Polyurethane coating would be applied after staking. I've found standards for the application of staking, but they never mention suitable materials. Thanks!

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MikeS

#60865

What material to use for component staking? | 18 January, 2010

Usually the print specifies the material since the design is qualified with it in place. I've used several from Scotchweld 2216, Scotchweld DP190, Hysol E-20HP, to NASA outgassing qualified Masterbond 10HT.

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davef

#60880

What material to use for component staking? | 20 January, 2010

Search the fine SMTnet Archives to find threads like: http://www.smtnet.com/Forums/Index.cfm?CFApp=1&Message_ID=57768

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JimD

#60890

What material to use for component staking? | 21 January, 2010

We used to use Scotch DP460 for Apache helicopter electronics, and we mixed it with Cab-o-sil silica (texas snow) to thicken it so that it doesn't creep during cure.

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