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IP68 Cold Shrink Tube for Photovoltaic MC4 Connector

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Description


Silicone rubber cold shrink tube, specifically designed for photovoltaic MC4 connectors, is an insulating sleeve made from special silicone rubber, pre-expanded over a removable support tube. Its very high expansion ratio allows it to accommodate the radial size differences between photovoltaic connectors and optical cables. When in use, simply position it and remove the support tube. It utilizes its radial shrinking force to form a tight encapsulation, providing insulation, dust prevention, waterproofing, and sealing effects. Our cold shrink tubes are resistant to UV,salt spray, acid and alkali, can achive IP68 waterproof seal class, also can be used for some special outdoor application, for example, electronics board. 


Features

* Continuous operating temperature: -55°C~180°C
* Shrink Ratio : 6:1 or so .Suits for an extensive range of cable sizes because of the shrinkage
* Retains its resiliency and pressure even after prolonged years of ageing and exposure, seals tight against moisture and water
* Good weather resistance, ozone ageing, ultraviolet and salt mist corrosion resistance, performs stably under long-period exposure to the sun
* Simple installation, requires no special heating tools , and adhesive to seal the connections
* Standard color: black(Other colors can be customized)

* Shrink Ratio : 6:1 or so .Suits for an extensive range of cable sizes because of the shrinkage
* Retains its resiliency and pressure even after prolonged years of ageing and exposure, seals tight against moisture and water
* Good weather resistance, ozone ageing, ultraviolet and salt mist corrosion resistance, performs stably under long-period exposure to the sun
* Simple installation, requires no special heating tools , and adhesive to seal the connections
* Standard color: black(Other colors can be customized)



Technical Performance


Properties Typical Data Test Method
Hardness 40±5 GB/T 531-2008
Tensile strength ≥7.0MPa GB/T 528-2009
Tensile strength after aging
 MPa (232℃×7 D)
≥ 60% of initial value /
Elongation at break >800% GB/T 528-2009
Elongation at break after aging
 % (232℃×7 D)
≥25% of initial value /
Tear strength ≥25kN/m GB/T 529-2008
Volume resistivity ≥10 12Ω.m /
Flammability HB UL 94
Requirements for UV/
light aging resistance test
Tensile strength ≥75% of initial value, no surface damage /













Structure



Dimensionis


Size
Inner Diameter (mm)
Min Cable Outer Diameter (mm) Max Cable Outer Diameter (mm) Full Recovered Length (mm)
VS-25-175 Ф25 6 20 175



Note: Special sizes & packing are avalable on request.



Applications for Offshore Photovoltaic MC4 Connectors






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