[labnetwork] HSQ Alternatives

[Gerald Lopez]

Long -

DisChem also makes water based anti-charging agent that is also compatible
with HSQ (along with PMMA, ZEP,  and others) and has a shelf life of up to
2 years.

Best,
Gerald-

On Thu, May 6, 2021, 17:53 DisChem <andy at discheminc.com> wrote:

> Hello Long,
>
> Our product HSiQ is made to order as ready to use solutions in quantities
> as little as 20 ml and ships within a week with 100% shelf life.
>
> Andy
> DisChem, Inc.
>
> On May 6, 2021, at 4:42 PM, Gerald Lopez <lopezg at seas.upenn.edu> wrote:
>
> 
> You should look into DisChem. MAEBL has worked with them in developing a
> viable HSQ alternative that is pretty much made to order and in smaller
> quantities. They ship out of PA. https://discheminc.com/
>
> On Thu, May 6, 2021, 16:16 Chang, Long <lvchang at central.uh.edu> wrote:
>
>> Hi All,
>>
>> I’m looking for HSQ alternatives since it’s expensive, has a 14 week lead
>> time and comes in 250mL bottle. We waste most of the bottle due to it’s 6
>> months shelf life. Although we had some bottles still good after 2 years at
>> 5C, it’s just a huge gamble after a year. We tried LN2 freezing, but it
>> takes too much effort.
>>
>> I’ve attached a table of the cost per mL for the alternatives I found
>> assuming you want 100nm thick. The AQM and EMResist are in powder form and
>> advertise 1 year powder shelf life and 3 months mixture shelf life. They
>> can distribute the powder into many small bottles.
>>
>> Particularly interesting is the Medusa 82 which has the lowest cost and
>> advertises better shelf life. Does anyone have experience with these HSQ
>> alternatives?
>>
>>
>> Thanks,
>> Long
>>
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> <Screen Shot 2021-05-06 at 11.08.36 AM.png>
>
>
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