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Test tube made of borosilicate glass 3.3, available with or without rim, in various sizes: 10x75mm, 10x100mm, 12x75mm, 12x100mm, 13x100mm, 13x130mm, 15x100mm, 15x150mm, 18x150mm, 18x180mm, 21x150mm, 21x180mm, 21x200mm, 25x150mm, 25x180mm, 25x200mm.
Test tube made of soda lime glass, also available with or without rim, in similar dimensions as above.
Distilling tubes include plain type (15mm x 6mm x 200mm), single bulb (17mm x 40mm x 250mm), double bulb (17mm x 40mm x 300mm), triple bulb (17mm x 40mm x 400mm), and thorn-type (Vigreus) ranging from 250mm to 1000mm.
Adapter tubes come in straight or bent configurations.
Connection tubes are available in T-shape, Y-shape, and U-shape designs.
Fermentation test tubes measure 6mm x 30mm.
Test tubes with side tubes, graduated versions (5ml to 50ml), and those with ground-in glass stoppers (5ml to 20ml) are also available.
Test tubes with both graduations and ground-in glass stoppers are offered for precision use.
Centrifuge tubes include conical types (5ml to 50ml) and round-bottom variants (50ml to 100ml), with some featuring graduations.
Drying tubes come in one-bulb, two-bulb, U-shape, and U-shape with side tubes and stoppers.
Automatic filling tubes range from 5ml to 50ml.
Blood sugar tubes, including Folin Wu and Karmen-Gitleman types, are available in 25ml.
Blood digestion and receiving tubes, such as N.P.N. Folin Wu, are also available in 50ml and 25ml.
Colorimeter tubes (Nessler type) are available from 10ml to 100ml, with some featuring glass hollow stoppers.
Micro centrifuge tubes (5ml) and connection tubes with three or two mouths, all with standard ground mouths, are included.
Distilling tubes (105 75 bent), receiving tubes (standard ground mouth with stopper), vacuum receiving tubes, and transmitting gas tubes are also available.
Jacket tubes for thermometers and drying tubes in straight and oblique shapes complete the range.
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