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Question:

How many degrees is the highest temperature that PE protective film can resist?

nan

Answer:

The property of high-temperature resistant of PE flim is not very good. It's all about time. PE film can resist temperature of 80 degrees for a short time and 40 degrees at most for a long time. Otherwise problems may occur, which are, for example, the film may be easy to curl or fall off.
Don't believe whoever claims that their film can resist high temperature of hundreds of degrees. If the manufacturers is skillful enough, the film they produced can resist high temperature of about 100 degrees at most for 33-40 minutes. As for high temperature like that, it won't resist for long. After all, it's plastic. It will melt in the end. Temperature of 50-60 degrees is the temperature that ordinary PE materials can resist.
Basically, PE materail doesn't have good high-temperature resistance but it can resist temperature of 80℃. The film may curl when the temperature is more than 100℃. The key point is time.

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