John Gilpin wrote: ... >>Out of interest...what is surgical spirit? > > According to the bottle I have it contains the following: > Virgin Caster Oil BP 2.5%v/v, methyl salicylate BP 0.5%v/v, Diethyl > Phthalate BP 2.0%v/v, industrial methylated spirit BP 95%v/v. > > So it's mainly Industrial Methylated Spirit.
Interesting; according to http://www.wbateman.demon.co.uk/gcse2003/gcsesums/chemsums/organic/organic.htm hospitals use a 95% ethanol/5% water solution, but adding methanol makes it IMS and cheaper (no tax as poisinous)...I was advised against using [ordinary] meths to clean the tape heads for the company for which I was the computer dept as it left residue (from the colourant?) and to use propan-2-ol instead - also available from your local friendly neighbourhood chemist. ... > I somrtimes find that a period of regular use after cleaning gradually > improves the output and once it's producing an acceptable quality, regular > use helps to maintain that quality. Only longer periods of no or very low > usage tends to cause the jet blockages again. Not really surprising: regular use prevents the ink drying in the jets... _______________________________________________ QL-Users Mailing List http://www.q-v-d.demon.co.uk/smsqe.htm
