根据试验时经常出现的引火源电热丝烧断的现象，提出了改进的建议。
The electric fire ignition source was often burnt out, some Suggestions on how to improve the condition were given.
施工时无引火性，干燥后具有阻燃性，离开火源1秒钟自熄。
It causes no spark during construction, fire resistant after drying, and extinguishes in 1s after fire source taken away.
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