Insulating tubes and holes

Insulating tubes and insulation holes are used in the manufacture and repair of electric motors, transformers, welding equipment, the automotive industry and wherever thermal and electrical protection is required.


Types of tubes:

PVC tubes: 125 °C
pdfTechnical characteristic






Glass-fiber tubes with silicone varnish: 250 °C
pdfTechnical characteristic






Glass-fiber tubes with acrylic varnish: 155 °C
pdfTechnical characteristic

13F3 AC





Glass-fiber tubes with polyuretan varnish: 155 °C
pdfTechnical characteristic SEP
pdfTechnical characteristic 13F3









Tubes heat shrinkable: up to 200 °C
pdfTechnical characteristic






Tubes knitted: 155 °C
pdfTechnical characteristic








Types of insulation holes:

  • Polyester holes: 155 °C
  • holes Glass Fiber: 450 °C


17.6. 2022

AMPER 2022

After a two-year break from the covid, in May we were able to participate again in the traditional domestic fair AMPER, which took place from 17.5. to 20.5.2022. Two years…
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Machtech 2022

Due to the pandemic, Hungary's largest trade and industrial meeting last year could only take place in a virtual space, so this year's personal meeting was especially…
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