So why does rubber do this? Natural or synthetic rubber starts out as a very sticky substance. That’s because the molecules in the raw state are long chains of very weak links to each other. To turn that raw material into the rubber we all know and love, you have to put it through a process called vulcanisation. This involves heating the rubber with some other chemicals, which molecularly transforms the rubber from sticky to stretchy.
The vulcanised rubber though can revert back to it’s original state under certain conditions. It happens when the stronger polymer crosslinks get snipped and the molecules revert back into their original small chains. Once that happens you’re stuck with rubber that has become sticky and tacky.
2. I have also used Methylated sprits which can be purchased from a hardware store or even your local supermarket. It seems that methylated spirits is called by a few different names. In the US there's something similar called denatured alcohol (be careful of denatured alcohol though as it has Methanol in it which can be very dangerous). I've also heard that this can be damaging to plastic so be wary using it to remove rubber and do a test first. There is also methyl hydrate, or fondue fuel available in the US as well. Again I would do a test first to see how well these work before using it. In Europe, it may be called spirits. check out这个链接了解更多
3. Have some spare cloths handy to remove any excess chemicals
4. It’s good practice to also wear rubber gloves and some safety glasses as well. The isopropyl can be absorbed into the skin, which can cause poisoning in large amounts. Small amounts though isn’t considered dangerous
步骤2：方法1 - 使用异丙基
The first method I'm going to show is using Isopropyl. Isopropyl is what is known as a synthetic alcohol and can be found in things like shaving creme, antiseptic and industrial applications.
1. Place the camera on a clean surface
2. Next, apply some Isopropyl to the affected area, adding enough to cover the rubber.
As the Isopropyl evaporates quickly, you’ll probably need to re-apply a few times
1. Once the Isopropyl starts to dry and you find that the cloth is sticking to the rubber, it’s time to add another layer of Isopropyl.
4. Give it a final wipe with a clean cloth and you’re done! You should then power-up the part and ensure it still works ok.
5. Give the part a final wipe over and test to make sure it still works
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