Pyrex Test Tubes 100 x 12mm with rim 1mm medium wall-(ELS-TES2004)

Pyrex Borosilicate Glass Test Tube 100 x 12mm with Rim - 1mm Medium Wall - - Conforms to ISO 4142 High quality test tubes designed and constructed for optimum performance Manufactured from Pyrex® borosilicate glass which gives superior performance to neutral borosilicate and soda-lime glass Allows use at temperatures up to 500°C Excellent resistance to chemical attack