Pyrex Test Tubes 150 x 18mm rimless 1.2mm medium wall-(ELS-TES2046)

Pyrex Borosilicate Glass Test Tube 150 x 18mm Rimless - 1.2mm 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