GREMTUBE® GTEF 4X is a high shrink ratio, highly flame retardant, modified polytetrafluorethylene (PTFE) heat shrinkable tubing.
GREMTUBE® GTEF 4X offers high temperature performances (up to 260 °C with peaks up to 400 °C), an excellent resistance to chemicals, a low coefficient of friction. It covers a wide range of diameters and it accommodates an irregular or jagged shape.
GREMTUBE® GTEF 4X is suitable for high end, critical applications, typically: military, aerospace and medical sectors.


-200 °C to +260 °C
Ratio 4:1
Recovery temp. +350 °C
PTFE® heat shrink tubing
Specialty product

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