Silicone cold shrink tube, EPDM cold shrink tube and cold shrink tube with inside mastic are typical products of Volsun, which is a leading and professional manufacturer of cold shrink tube in China with more than 14 years’ experience.
As we all know, IP68 waterproof performance is the very important point for cold shrink tube, so do you know how do we test the waterproof performance? Today, I will introduce you the procedures of waterproof testing as follows:
1. Prepare the cable connector, test paper, and cold shrink tube.
2. Cut test paper into small pieces, wrap one piece into the metal head of cable, wrap one piece at the middle of cable.
Do you know why need to wrap the test paper? Because it can tell you if the test ok or not . If the test paper keep the same white color after 30mins down into 1m depth water, test passed; If test paper turned into red color, then it can tell the water penetrate into side of cold shrink tube, test failed.
3. Next, install the cold shrink tube onto the cable that covered with test pater at metal head end and middle.
4. Confirm the Cold shrink tube installed well. To ensure the test paper at metal end and middle under cover of cold shrink tube.
5. Place the cold shrink tube with test paper inside into 1m depth water, timing 30min.
6. Take out cold shrink tube from water after 30min.
7. Cut cold shrink tube to check the test paper inside.
8. Test paper still white as before putting into water. So the test passed.
To sum up, our cold shrink tube has excellent waterproof seal class.
In fact, we not only produce the regular cold shrink tube, but also develop new design cold shrink products based on customer’s actual needs.
Cold shrink tube is small, but with big function, connecting a wonderful world !
For more details, please browse the following website and contact us via volsun2006@szvolsun.com
www.szvolsun.com www.coldshrinktubing.com
- CONTACT TEL: +86-512-66386808
- SALES CONTACT: volsun2006@szvolsun.com