Attention:

Certain features of Sigma-Aldrich.com will be down for maintenance the evening of Friday August 18th starting at 8:00 pm CDT until Saturday August 19th at 12:01 pm CDT.   Please note that you still have telephone and email access to our local offices. We apologize for any inconvenience.


Tabelle di conversione



               Basic conversions


               Volumetrics Class A and B tolerances


               Chemical compatibility of membranes


               Syringes needle conversion chart


               Particle Size Conversion


               Wire Gauge Conversion Chart


               Pressure conversion chart