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High performance cold shrink breakout for 5G fiber cable insulation
Time: 2020-07-31 13:41:01     Copyfrom: SuZhou Volsun Electronics Technology Co.,Ltd.


From this video,we will tell you how to install the cold shrink breakout for 5G fiber cable insulation


RUBLS—BKT, Cold shrink breakout, a series of open-ended, tubular rubber sleeves, which are factory expanded and assembled onto a removable core. They are supplied for field installation in this pre-stretched condition. The core is removed after the tube has been positioned for installation over an in line connection, terminal lug, etc., allowing the tube to shrink and form a waterproof seal. The insulating tube is made of silicone rubber.


Excellent weather resistance, ultraviolet aging resistance and higher embrittlement resistance than heat shrink tubing

l  More resistant to slab and prick, abrasion, acid and alkali than silicone cold shrink tubing Simultaneously expands and shrinks with work pieces without clearances, seals tight in harsh environment

l  Stably sealing the work pieces in windy environment

l  Seals tight retain its resiliency and pressure even after prolonged years of ageing and exposure. Simple, safe installation requires no tools or special training. No torches or heat work required. Color: Black

Technical Performance


Typical Data

Test Method

Shore Hardness


GB/T 531-2008

Tensile Strength


GB/T 528-2009

Elongation at break


GB/T 528-2009

Tear strength


GB/T 529-2008

Dielectric strength


GB/T 1408.1-2006

Volume resistivity


GB/T 1692-1992

Dielectric constant



The following is the detailed steps of how to install the cold shrink breakout to the fiber cable or connectors.

Volsun was founded in 2006, as the pionner of cold shrink tube manufacturer in China for more than 14 years.We keep focusing on the R&D, production and sales in insulaiton, sealing & protection solutions.Quality is our culture.Volsun has a mondern quality manangement system,which has passed a series of quality system certification such as IATF16949, ISO9001.

More detail please contact our Sales team by

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