Medium Wall Test Tubes, Pyrex, 200 x 24 mm

These Pyrex® borosilicate glass test tubes have superior chemical and heat resistance properties than neutral borosilicate or soda-lime glass tubes.
• 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