Dry Packing Desiccant Source

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The desiccant we've been using is going obsolete and that su... - Aug 08, 2012 by hoss67

I know of no such industry standard. Start with MIL-D-3464E,... - Aug 08, 2012 by davef

Thanks, Dave. A little light reading on the Thursday:) I d... - Aug 09, 2012 by hoss67

I would check the IPC spec IPC-1601 ( Printed Board Handling... - Aug 10, 2012 by lorenzo.rota

hoss67

#66984

Dry Packing Desiccant Source | 8 August, 2012

The desiccant we've been using is going obsolete and that supplier's replacement options don't look like a good match. We'd been using material with a tyvek pouch. Replacements are either kraft paper or plastic.

What is the industry spec that determines desiccant suitability for electronics component packaging?

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davef

#66988

Dry Packing Desiccant Source | 8 August, 2012

I know of no such industry standard. Start with MIL-D-3464E, Desiccants, Activated, Bagged, Packaging Use And Static Dehumidification http://www.wbdg.org/ccb/FEDMIL/d3464e.pdf

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hoss67

#66992

Dry Packing Desiccant Source | 9 August, 2012

Thanks, Dave. A little light reading on the Thursday:) I did learn a new word though - nondeliquescent.

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lorenzo.rota

#67001

Dry Packing Desiccant Source | 10 August, 2012

I would check the IPC spec IPC-1601 ( Printed Board Handling And Storage Guideline).

Also, be sure your dessicant does NOT contain sulphur in either the dessicant material or the paper holding the material.

Enthone advises to not use dessicants inside sealed bags with Immersion silver to avoid corrosion due to sulphur.