Corning Pyrex 100 ml Weathering Test Tube, 37x200 mm

These PYREX 100 mL Weathering test tubes are graduated upward to 0.5 mL in divisions of 0.05 mL, from 0.5 mL to 3 mL in 0.1 mL divisions, from 3 mL to 5 mL in 0.5 mL divisions and from 5 mL to 100 mL in 1 mL divisions. Made with a 3mm vent hole located 180° from the front of the tube. Tubes are designed for testing propane, butane and isobutane mixtures. Reference: Specifications TS-441-3, ASTM D-1837, ASTM D-2158.