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  • 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@zjhtxc.com



    • Description

    The ultra-thin telescopic casing can be used to protect the telescope and incorporates a telescopic function, which is the result of years of research and development by our manufacturer, Hetai. We utilize an ultra-thin design with the added feature of telescopic functionality, constructed using high-quality fiberglass, providing excellent resistance against scratches and impacts in daily life.


    Product Specifications:

    - Material: Fiberglass

    - Size (collapsed): Adjustable based on different telescope models

    - Size (expanded): Adjustable based on different telescope models

    - Color: Options include black, silver, gray, etc.

    - Weight: Adjustable based on different telescope models.


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