Donna,

We use a simple HB pencil for marking our cassettes. The markings are as
strong at the end of processing as they are when first written.

Ken.


At 09:22 AM 8/26/99 -0700, you wrote:
>Hello!
>
>I know this is an age old question, but we are having increasing
>difficulties with our cassette markers (the usual permafrost pens).
>
>They have modified their formula, and the pens are worse than ever.
>
>Does anyone have a marking system or knowledge of marking pens that are
>solvent and paraffin resistant?  We have tried "Sure Mark" pens, but they
>have a broad point and we write many designations and specials on the
>cassettes.  The broad point limits the space we have for this.
>
>Thank you for your input.
>Donna in Denver
>Unipath, LLC
>
>
>
Kenneth W Turner
Senior Teaching Fellow
Manager Histology Service Unit
Department of Pathology			
Dunedin School of Medicine		e-mail  ken.turner@stonebow.otago.ac.nz	
University of Otago			Phone:  (03) 479 7135 or (03) 479-7152
New Zealand				Fax:    (03) 479-7136