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PYREX

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PYREX® – DWK Life Sciences PYREX® borosilicate glass was first developed in 1908 by Corning Glass Works to withstand sudden temperature changes. By 1915, PYREX® became a registered brand and the first laboratory glassware items (beakers and flasks) were produced. In the U.K., production began in 1921 under exclusive license, and today PYREX® is part of DWK Life Sciences, a global leader in laboratory glassware.

Main Products:
- Beakers (low form, tall form, heavy‑duty)
- Erlenmeyer flasks (narrow mouth, wide mouth)
- Media bottles (GL45, GLS80, amber glass options)
- Volumetric glassware (graduated cylinders, volumetric flasks)
- Specialized glass containers with screw caps and liners
Strengths:
- Made from high‑quality borosilicate glass with thermal shock resistance
- Chemical durability against acids, bases, and solvents
- High transparency and precision for laboratory use
- Global distribution under DWK Life Sciences with ISO‑certified production

PYREX® continues to be a benchmark brand in laboratory glassware, trusted by scientists, educators, and industrial users worldwide.

PYREX® 3295 series Burette, Class B, with PTFE key,

PYREX® 3295 series Burette, Class B, with PTFE key,

PYREX® 3295 series Burette, Class B, with PTFE key,

PYREX® 1622 series Test Tubes, without rim medium wall ,100/pk

PYREX® 1622 series Test Tubes, without rim medium wall ,100/pk

PYREX® 1622 series Test Tubes, without rim medium wall ,100/pk

PYREX 1620 series test tube w/rim, medium wall,100/pk

PYREX 1620 series test tube w/rim, medium wall,100/pk

PYREX 1620 series test tube w/rim, medium wall,100/pk

PYREX 3151 series Volumetric Flask, Class A, USP/ISO/DIN tolerances

PYREX 3151 series Volumetric Flask, Class A, USP/ISO/DIN tolerances

PYREX 3151 series Volumetric Flask, Class A, USP/ISO/DIN tolerances

PYREX® 4536 High temperature pouring rings for PYREX® Media-Lab bottles

PYREX® 4536 High temperature pouring rings for PYREX® Media-Lab bottles

PYREX® 4536 High temperature pouring rings for PYREX® Media-Lab bottles

PYREX® High temperature screw caps for PYREX® Media-lab bottle 4526

PYREX® High temperature screw caps for PYREX® Media-lab bottle 4526

PYREX® High temperature screw caps for PYREX® Media-lab bottle 4526

PYREX® 4516 Polypropylene pouring rings for PYREX® Media-Lab bottles 4516

PYREX® 4516 Polypropylene pouring rings for PYREX® Media-Lab bottles 4516

PYREX® 4516 Polypropylene pouring rings for PYREX® Media-Lab bottles 4516

PYREX® Screw caps for PYREX® Media-lab bottles 4506

PYREX® Screw caps for PYREX® Media-lab bottles 4506

PYREX® Screw caps for PYREX® Media-lab bottles 4506

PYREX® Bottles, media-lab, amber glass 1519

PYREX® Bottles, media-lab, amber glass 1519

PYREX® Bottles, media-lab, amber glass 1519

PYREX® Bottles, media-lab, square shape 1520

PYREX® Bottles, media-lab, square shape 1520

PYREX® Bottles, media-lab, square shape 1520

PYREX 1516 media-lab Reagent Bottles

PYREX 1516 media-lab Reagent Bottles

PYREX 1516 media-lab Reagent Bottles

PYREX 3201 Series Measuring Cylinder, Class A

PYREX 3201 Series Measuring Cylinder, Class A

PYREX 3201 Series Measuring Cylinder, Class A

PYREX 1130 Series Conical Flask, narrow neck

PYREX 1130 Series Conical Flask, narrow neck

PYREX 1130 Series Conical Flask, narrow neck

PYREX 1000 Series Beaker, low form, Griffin type, with spout

PYREX 1000 Series Beaker, low form, Griffin type, with spout

PYREX 1000 Series Beaker, low form, Griffin type, with spout