Regarding the usage temperature of Kevlar:
It only begins to decompose at a high temperature of 560 ℃, and will not decompose or melt below this temperature. Its continuous use temperature range is extremely wide, and it can operate normally for a long time within the range of -196 ℃ to 204 ℃.
Although it has exceeded its continuous use temperature range at 350 ℃, it can still withstand being in a 350 ℃ environment for a short period of time without decomposition, melting, or other phenomena.