Among Genplast products, the cold shrinkable rubber sheaths are available in a wide range of diameters and lengths, supplied already on the spiral supports according to the client's needs. The cold shrinkable rubber sheaths used are in Silicone or EPDM.

    Silicon Sheats   PP Spiral
  Inside diameter after
shrinking (mm)
Wall thickness after
shrinking (mm)
Length after
shrinking (mm)
ø Ext (mm)
STG 15/50 15 3,5 150 ÷ 800 47
STG 23/57 23 3,5 150 ÷ 800 57
STG 24/73 24 4 200 ÷ 800 73
STG 27/85 27 4 200 ÷ 800 86
STG 30/94 30 4 200 ÷ 800 94
STG 35/115 35 4 200 ÷ 800 119

The STG cold shrink silicon tubes are self-shrinking systems made of pre-expanded rubber sheaths, and held in place by spiral supports that will be removed at the time of installation. The benefits include a reduction of the shrinking of the rubber sheath during the use on the application, and better electrical insulation as well as mechanical protection.

The installation is very simple and does not require heat sources such as flames or hot air.

Thanks to their characteristics, the cold shring silicon tubes are ideal for application in various industrial sectors such as: electrical engineering, automation, mechanics and hydraulics.


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