Hi,
Effective solvents for removing Apiezon. Black Wax are Xylene,Toluene (not
necessarily hot) and Chlorinated hydrocarbons such as Methylene Chloride and
Trichloroethylene.  Aliphatic hydrocarbons such as Hexane can also be used
but they are not as effective. The Wax is INSOLUBLE in  Ketones such as
Acetone and in Alcohols such as Ethanol and Iso Propanol.
Dave Summers
Technical Service Manager
Apiezon Products Ltd.
*********************************

----- Original Message -----
From: Maurice Norcott 
To: 
Sent: 26 February 2002 17:26
Subject: RE: [mems-talk] black wax


> Try Ted Pella or SPI, both electron microscopy supply houses. I think
> VWR may carry Apiezon black wax also. Acetone or hot toluene will remove
> the wax, followed with isopropyl rinse.
>
> -----Original Message-----
> From: ABHIJAT GOYAL [mailto:abhijatgoyal@psu.edu]
> Sent: Monday, February 25, 2002 7:13 PM
> To: mems-talk@memsnet.org
> Subject: [mems-talk] black wax
>
>
> Hi,
>
>  can you please suggest me some vendors for Black Wax as a mask for KOH
> etch.
> Can you please tell me the vendors that are based in US only, since it
will
> be
> difficult for me to procure my order if they are outside the US.
>
>   Also can you please suggest me something by which I can remove black wax
> after I have etched.
>
> Thanks in advance,
>
> Abhijat Goyal
>
>
> Abhijat Goyal
> EE MEMS group,
> MS candidate,
> Dept. Of Electrical Engineering,
> State College, PA
>
> Ph: (R)814-2350917
>     (O)814-8653664
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