Glass Conical Tube

1: Winding angle, 45°~65° (winding angle can be adjusted according to different requirements to achieve better mechanical properties);

2: Fiber content (weight ratio), 70% to 75%;

3: Density, 2.00g/cm³;

4: Water absorption, less than 0.03%;

5: Axial thermal expansion coefficient, 1.8E-05 1/K;

6: Glass transition temperature, 110~120℃;

7: Chemical resistance Mineral oil: excellent;

8: Solvent and dilute acid: excellent;

9: Tensile elastic modulus, axial 14000 MPa;

10: Tensile strength: 280 MPa in the axial direction; 600 MPa in the circumferential direction;

11: Shear strength: 150 MPa;

12: Bending strength: axial 350 MPa;

13: Compressive strength: axial 240 MPa;

14: Relative dielectric constant 2-3.2;

15: Dielectric loss factor 0.003-0.015;

16: Partial discharge ≤5;

17: Dielectric strength: axial 3~6kv/mm; radial 10~12kv/mm;

18: Lightning shock: 110KV;

19: Power frequency shock: 50KV;

20: Heat resistance class: B, F, H;

21: inner diameter > 5mm; outer diameter < 300mm; length < 2000mm.


The above data is only for reference, the casing parameters we produce are customized for each customer's needs!


Contact available at : 

Jacky Shen - Sales manager 

Email:jacky@zjhtxc.com



  • Description
Our glass conical tube is a high-quality laboratory accessory, designed to facilitate the safe and efficient handling of liquids and chemicals. Made from durable borosilicate glass, it features a conical shape that allows for easy pouring and transfer of liquids. The glass construction provides superior clarity, facilitating accurate observations and measurements. Our conical tubes come in various sizes and capacities to meet the diverse needs of our customers. They are compatible with a range of lab equipment, including centrifuges and microscopes. Our glass conical tubes are autoclavable, ensuring reliable sterilization for repeated use. With exceptional quality and value, our glass conical tubes are the perfect solution for anyone looking for a reliable and versatile laboratory accessory.
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