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The difference of heat shrink tube and cold shrink tube
Time: 2020-09-07 15:08:18     Copyfrom: SuZhou Volsun Electronics Technology Co.,Ltd.

Heat Shrink Tube and Cold Shrink Tube are the two main shrink tube in the insulation market now.Comparing with cold shrink tube,the application range of heat shrink tube is more widely. The heat shrink tube can be used in aerospace field,shipping industry,household appliances,etc. In the daily life,the heat shrink tube is also used in our refrigerator, air conditioner, washing machine. Thus the cold shrink tube plays an important role on the telecommunication industry.



Next we will analyse the difference between the heat shrink tube and cold shrink tube.

1. The production principle of them is different.The heat shrink tube is cross-linked irradiation and expansion while the cold shrink tube is naturally expanded by steel wire.The heat shrink tube is chemical reaction while cold shrink tube is physical reaction.

2. For the same or similar size of the heat and cold shrink tube,the heat shrink tube is much cheaper than cold shrink tube. The raw material of heat shrink tube is much cheaper,except the raw material of special heat shrink tube.

3. The application range of heat shrink tube is more widely than the cold shrink tube,it’s also very commonly used for many fields.

4. The raw material of heat shrink tube is more than heat shrink tube. For heat shrink tube,the raw material includes silicone rubber,polyolefin,PVC,teflon,viton,EPDM rubber,PVDF,etc.For the cold shrink tube,only including silicone rubber material and EPDM rubber.


In summary,the best adavantage of cold shrink tube is no need heating and any tools. It has absolute advantage when woring at high altitude. Due to it’s special material principle,it’s very suitable for outdoor use and widely used in domestic moblie,China Unicom and telecommunication tower feeders. It’s ozone aging resistant, corrosion resistant,UV resistant and waterproof.


Volsun cold shrink tube application in telecommunication base station, if you have more special requirement on base station waterproof solutions, welcome to contact us. We will develop new products for you specially. In the coming future, we will follow up the market demand to develop more insulation tube products to satisfy different customers’ needs.


More detail please contact our Sales team by volsuntube@szvolsun.com


KEYWORD:cold shrink tube,silicone cold shrink tube
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