10ml glass tube

welcome OEM/ODM orders grade 1 quality Specifications

borosilicate glass tube 1.application: medical use 2.size:OD from 4mm to 315mm

Borosilicate glass tube, glass tube, borosilicate 3.3 glass tube,

1. Borosilicate glass tube2.OD from 4mm to 315mm3.Wall thickness from 0.5mm to 10mm4.Shape: round,

5. Different wall thickness available

 composition:

1) SiO2: 80±0.5%

2) B2O2: 13± 0.2%

3) Al2O3: 2.4±0.2%

4) Na2O (+K2O): 4.3±0.2%

Chemical properties:

1) Coefficient of mean linear thermal expansion (20°C/300°C): 3.3±0.1 (10-6K-1)

2) Transformation temperature: 525±15°C3)

Working point: 1,260±20°C4)

 Softening point: 820±10°C5)

 Density at 20°C: 2.23g/cm²6)

Hydrolytic resistance at 98°C: ISO719-HGB17)

Hydrolytic resistance at 121°C: ISO720-HGA18)

Acid resistance class: ISO1776-1 9)

 Alkali resistance class: ISO695-A2

Packing: Export cartons on fumigated wooden pallet

  

  

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10ml glass tube