Borosilicate Glass Capillary Tubing For Chemical Analysis Instruments

Category： Borosilicate Glass
Material:Borosilicate Glass,Quartz glass
Tolerance:±0.001mm to ±0.005mm
OD:0.2mm to 20mm
Size:Custom
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Borosilicate Glass Capillary Tubing For Chemical Analysis Instruments

We manufacture custom high borosilicate glass tubes (various outer/inner diameters) using professional drawing equipment. Share your desired dimensions or technical drawings, and we can meet a tolerance precision of ±0.001 mm. Our extensive inventory may also have your required sizes in stock. Contact us today for additional details!

Borosilicate glass performance

Silicon Content	>80%
Coefficient of Thermal Expansion（20-300℃)	3.3×10-6/K
Density（20℃)	2.23g/cm3
Hot Work Temperature（104dpas）	1220℃
Annealing temperature	560℃
Softening temperature	820℃
Refractive Index	1.47
Thermal Conductivity	1.2Wm-1K-1

Applications
Biotechnology: Used for transporting, separating, and detecting micro-samples in single-cell capture, PCR, and microinjection.
Chemical Analysis: Functions as capillary columns in high-precision instruments like gas chromatography for accurate separation and detection.
Electronics Industry: Essential in the production of optical fibers, sensors, and microelectronic devices, including ferrules and alignment sleeves.
Medical Field: Enables precise collection and analysis of micro-volumes of blood and bodily fluids in blood analyzers and urine test instruments.