ultra-thin telescopic casing

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@zhaoyazhao.cc