Glassco Disposable Test-Tubes are widely being used in research lab and possessing following features:

  • Excellent chemically resistance
  • High heat tolerance
  • Uniform dimensions
  • Convenient dispensing packages

Manufactured from Type-I, Class B borosilicate glass, each tube is heat-treated at temperature exceeding 500°C (932°F) immediately before packing, which eliminates contamination, increases strength, and reduces breakage.
Tubes features well-rounded bottoms and re-polished tops free of rough edges. Dimensional specifications of these tubes are rigidly controlled for reliable, uniform results.
Tubes are clean-sealed in a convenient dispensing package are shrink wrapped in plastic film with tubes remaining in constant alignment for protection against in-transit breakage and contamination
Tubes are packed in convenient trays for ease of use on bench tops and in drawers. Tube (O.D. 6 x 50 mm) is also known as a Durham Tube.
Contents will not leach out and contaminate solutions. Borosilicate glass construction prevents pH change in laboratory tests.

Glassco Disposable Culture Tubes - Borosilicate Glass (5.1)

Glassco Disposable Culture Tubes are resistant to chemical attack and weathering.
Salient Features:

  • Boro Glass 5.1 Expansion offers excellent chemically resistance
  • High heat tolerance
  • Uniform dimensions
  • Convenient dispensing packages

Manufactured from Type-I, Class B borosilicate glass, each tube is heat-treated at temp. exceeding 500°C (932°F) immediately before packing,
which eliminates contamination, increases strength, and reduces breakage. Tubes features well-rounded bot toms and fire polished tops free of rough edges. Dimensional specifications of these tubes are rigidly controlled for reliable, uniform results.


Tubes are clean-sealed in a convenient dispensing package to keep them free from dust and other particulate contamination. Tube (O.D. 6 x 50 mm) is also known as a Durham Tube.


Contents will not leach out and contaminate solutions. Borosilicate glass construction prevents pH change in laboratory tests

Ordering information: Due To machine packing, quantities per case are approximate.

Cat No.

O.D. X Height (mm)

Over Flow Volume

Pieces/Case

27729.566

27729.568

27729.570

27729.572

27729.574

27729.576

27729.578

27729.580

27729.583

20825.402

27729.584

6 x 50

10 x 75

12 x 75

13 x 100

15 x 85

16 x 100

16 x 125

16 x 150

18 x 150

20 x 150

25 x 150

0.75

3

5

9

10

14

18

22

28

34

60

2000

1000

1000

1000

1000

1000

1000

1000

500

500

500

Glassco Disposable Culture Tubes - Borosilicate Glass (7.0)

These tubes are chemically clean and well-suited for general use in chemistry, blood banks, hematology and other laboratory procedures. Salient Features:

  • Fire-polished top
  • Shrink-film sealed to prevent contamination
  • Well-rounded bot toms

Each tube is annealed at temperatures over 426.7°C (800°F) to increase strength and reduce breakage. Tubes feature smooth, well-rounded bot toms with no irregularities. Tops are firepolished to eliminate rough edges. Tubes are packed in lint-free packaging and are shrink-film sealed to prevent any contamination from outside sources.

Cat No.

O.D. X Height (mm)

Over Flow Volume

Pieces/Case

20825.402

20825.406

20825.414

20825.425

20825.430

20825.435

20825.443

20825.447

10x75

12x75

13x100

16x100

16x125

16x150

18x150

20x150

3

5

9

11

15

20

28

34

1000

1000

1000

1000

1000

1000

500

500

Disposable Glassware Culture Tube with Screw Cap Finish – Boro glass 5.1

Disposable Glassware Culture Tube with Screw Cap Finish – Boro Glass 5.1

Tubes have a marking spot and reference mark for orientation during use and a threaded neck to accept screw cap

Salient Features:

  • Borosilicate glass 5.1 expansion construction
  • Marking spot and orientation rference mark on all tube

Cat No.

O.D.XHeight (mm)

Thread Finish

Over Flow Volume

Pieces/Case

23283.800

23283.802

23283.804

23283.806

23283.685

23283.686

13x100

16x100

16x125

16x150

20x125

20x150

13 to 415

15 to 415

15 to 415

15 to 415

18 to 415

18 to 415

8

12

16

20

30

33

1000

1000

1000

1000

1000

1000