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


4.8. 2020


With effect from August 1st, 2020, the descriptive number in the address of Labara s.r.o was changed. Please update your address books. LABARA s.r.o. Jindřichov 33 595 01 Velká…
6.12. 2019

SPS IPC Drives 2019

Dear business partners, We would like to thank you for your kind support and especially your visit to our stand at SPS IPC Drives 2019 in Nuremberg.
LABARA s.r.o.
Jindřichov 20, ( areál ZD )
595 01 Velká Bíteš
tel.: +420 566 533 128
fax: +420 566 533 111
e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.