Doug,
The only “advantage” of the cobalt free ones that I know of is that they are REACH compliant.

Regards,
Bev

Sent from Mail for Windows 10

From: Douglas Pauls
Sent: Monday, April 23, 2018 4:46 PM
To: [log in to unmask]
Subject: Re: [TN] R: [TN] HIC Card validity?

What do you feel are the advantages of the cobalt free version?


Doug Pauls
Principal Materials and Process Engineer
Rockwell Collins

On Mon, Apr 23, 2018 at 3:44 PM, SALA GABRIELE <[log in to unmask]> wrote:

> Same time, I would start to introduce the utilization of  HIC Cobalt Free
> version.......
>
> GS
>
> -----Messaggio originale-----
> Da: TechNet [mailto:[log in to unmask]] Per conto di Wayne Showers
> Inviato: lunedì 23 aprile 2018 19:10
> A: [log in to unmask]
> Oggetto: Re: [TN] HIC Card validity?
>
> Per the J-STD-033 and HIC manufactures, the HIC cards are pretty much
> usable indefinitely.  My experience is that the 5-10-60 cards are far more
> accurate and what is actually recommended by J-STD-033.  The
> 10-20-30-40-50-60 cards are not so accurate.
> With the 5-10-60 cards, use on 5, bake on 10.  The 60 is for high humidity
> environments as anything above 60 RH is technically outside the scope of
> J-STD-033 for bake times.
> Texas Instruments (TI) did a storage study many years back stating that in
> the bag life for solderability is 8+ years.
> http://www.ti.com/lit/wp/slva304/slva304.pdf
> As far as NADCAP, the life of the HIC is to be monitored and is 2 years or
> at opening.
>
>
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