A-M Systems is proud to offer Schott ^#8250 capillary glass. This is a direct replacement for Corning's discontinued ^#7052. As indicated in this table, the electrical and chemical properties of 8250 glass are nearly identical to Corning's ^#7052 . Most importantly, ^#8250 glass has a lower loss factor, which is correlated with lower noise recordings (see notes). Thus, we are confident that you will find your recordings with ^#8250 glass will be equal or better than recordings with ^#7052 glass. In summary, when compared to standard Borosilicate capillary glass ^#7740, ^#8250 capillary glass provides a lower loss factor, higher resistivity, and lower softening temperature (720 °C).

• Levis, RA and Rae, JL. 1998. Low noise patch-clamp techniques. Methods in Enzymology 293:218-266.
• Rae, JL and Levis, RA. 1992.  Glass technology for patch electrodes. Methods in Enzymology 207:66-92.