Fractionating Columns Vigrex
- Without Stopcock.
- Manufactured from Borosilicate Glass 3.3.
- Printed in Anti Acid Blue/White Colour.
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Cat No. Effective Length(mm) Effective Length(mm) Socket/Cone Size Approx. OD (mm) Pack Of 360 450 24/29 25 1 600 700 24/29 30 1 360 450 29/32 25 1 750 850 34/35 34 1
OVERVIEW :
GWSI Glass Lab manufactures Vigrex fractionating columns from premium borosilicate 3.3 glass for high-efficiency distillation and separation workflows. Designed for thermal and chemical durability, they deliver high thermal shock resistance, full chemical inertness, and hydrolytic resistance. Every column is I.S.O. DIN, NABL calibrated for consistent analytical performance.
HISTORY :
Vigrex fractionating columns were developed in the early 20th century to improve separation efficiency through enhanced surface contact and controlled reflux during distillation. GWSI modernizes the Vigrex design with borosilicate 3.3 durability, ceramic glass fusing, interchangeable ground joints, and autoclavable lab glass reliability for modern laboratories.
APPLICATIONS:
* Pharmaceutical distillation and compound separation
* Biotech purification and analytical laboratories
* School, college, university, and educational institutes
* Industrial quality control and research labs
* High-efficiency fractionation and reflux studies
MANUFACTURING PROCESS:
We melt high-purity borosilicate 3.3, form the Vigrex column tube through master hand-blowing or automated molding, apply ceramic glass fusing to interchangeable ground joints and internal indentations, and complete controlled annealing to fully eliminate thermal stress.
TESTING PROCESS:
Every column receives manual polariscope stress testing for zero residual stress, followed by high-precision ISO, DIN standard verification — manual or automatic testing machine — and NABL gravimetric calibration where volumetric measurement applies.
PRINTING PROCESS:
Graduations and markings are applied by precision screening with ceramic glass enamels, baked in high-temperature kilns to permanently fuse the scale into the borosilicate 3.3 matrix so it never fades.
PACKAGING PROCESS:
We perform cosmetic sorting to filter out any blemishes, confirm structural integrity of indentations and joints, and pack in heavy-duty double-wall boxes with shock-absorbing bubble wrap for safe export from Ambala, the Science City.
MAINTENANCE & SAFETY:
* Autoclavable lab glass: sterilize at 121 °C with all openings clear.
* Clean with non-abrasive detergents; protect interchangeable ground joints and internal surfaces from abrasion.
* Confirm hydrolytic resistance before prolonged use with acidic or basic mobile phases.
* Store vertically in a stable rack away from direct heat sources.
* Inspect for polarization stress before high-thermal-shock cycles.