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Raw Material

Raw Material

Standardized products are produced using Low expansion Borosilicate 3.3 Glass as per ISO 3585 and ASTM E-438 TYPE 1 CLASS A. The raw material is sourced from reputed supplies all over the world. Supertek is sufficiently stocked with raw material at any given time.


Supertek has both automatic and semi automatic machines to handle large volumes of production.

Team of dedicated engineers guide skilled glass blowers working on these machines to manufacture glassware products of different shapes and sizes as per International standards.


Annealing Process

All products manufactured annealed in Lehr conveyor furnace for producing strain free final products. Products are heated to precise annealing temperature and slowly cooled for a predefined period to ensure removal of all kinds of thermal stress and minimize chances of physical damage with change in temperature or mechanical shock.


Supertek volumetric products are precisely calibrated in controlled environment on state of the art Automatic Calibrated Machines. These machines are tuned to deliver products with highest possible accuracy. These machines work with temperature control equipment to regulate changes in calibration with change in water temperature. Lasers are used to estimate water level and marking is done with diamond blades on the neck of flasks with no human intervention.


Cleaning / Washing

Ultrasonic washing machines are employed by Supertek to ensure clean & clear products.