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Fibreglass tubes

Harkov Plast winds to order: tubes and cylinders from Ø 3 to Ø 600 mm, rods up to Ø 70 mm.

Build a tube Enquiry

How a tube is wound

Glass roving runs through resin and is laid on the turning mandrel layer by layer.

  1. 01Winding at a set angle
  2. 02Polymerisation (curing)
  3. 03Extracting the mandrel
  4. 04Machining
  5. 05Painting

The mandrels

The inner diameter of a tube is the diameter of the mandrel it is wound on: from Ø 3 to Ø 600 mm.

Mandrel Ø 82.8 mm is in stock.

Build a tube Ø 82.8

There are also two conical, five rectangular and four tapered-pyramid mandrels. The full table

The mandrels in stock, to the same scale · Ø 82.8

The material

Lighter than aluminium, an insulator, and it does not corrode.

A tube with inner Ø 50, 3 mm wall and 1 m length weighs:

  • Steel3.92 kg
  • Aluminium1.35 kg
  • Fibreglassup to 1.00 kg
< 2 g/cm³
Density. Steel is 7.85, aluminium 2.7.
40 kV / 3 mm
Dielectric strength, across the layers.
> 10¹⁴ Ω
Insulation resistance.
165–490 MPa
Flexural strength. Depends on the winding pattern.
< 0.3 %
Water absorption over 24 hours.
radio-transparent
Lets radio waves through: low dielectric loss angle.

It also stands up to chemically active media. The data sheet

Products

From high-voltage insulators to a playground balance beam.

All products

Clients

Enquiry

Send the dimensions and the quantity, and the drawing if you have one.

To the form