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Graduations

This implies diverse processes to apply markings of different colours on the surface of the glass work.
These processes are the engraving, the serigraphy, the application of pre-printed film, etc.
This allows us to deliver glass pieces with a volumetric marking, like a graduation mark, but also with a text, a logo or a symbol.
Thanks to a thermal process, where the prints fuse with the glass surface, they will be ineffaceable.

Voorbeelden

Picture of a graduated burette with isolating covering

This graduated burette made of borosilicate glass 3.3 (type DURAN, PYREX, etc.) was manufactured according to a customer's drawing.

Graduation of cylindrical measuring cups

In this example, you can observe the different phases of a glassware's graduation.
These phases are carried out by means of an electronic device, allowing to graduate  precisely a volume of distilled water at 20°C.
First phase: indicate a volume of water with a line. In this example: 50 ml.
Second phase: indicate a volume of water with a line. In this example: 500 ml.
Third phase: apply a transfer, especially printed in function of the obtained distance between the two lines.
Forth phase: after a passage in the oven at a high temperature, the silver salt, which is used to apply the decal on the glass, penetrates in the surface of the glass, making the graduation indelible.
The use of other minerals makes it possible to obtain other colors.

Graduation of a reactor DN100

After manufacturing this reactor made of borosilicate glass 3.3 (DURAN, PYREX, etc.), we graduated it according to the customer's plan (1000 ml 50/1).

Production of cylindrical measuring cups of 250 ml

These cylindrical measuring cups made of borosilicate glass 3.3 (type DURAN, PYREX, etc.) have been manufactured based on a drawing of the customer. It is a special graduation of 250 ml 2/1. Each item has its own number and has a NS29/32f connection.

Cylindrical and graduated ampoules made of borosilicate glass 3.3

Custom-made glassware of graduated ampoules from three and five liters with a pressure compensation tube. The client wanted a limited height given the available space.

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