[labnetwork] HSQ Alternatives

[DisChem]

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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