E. g. by ISO 834 curve thawing, fireproof performance reach 3h, general coating thickness need about 20 ~ 30 mm, Due to the coating thicker, requiring multiple coating, construction difficulties.
如按iso 834曲线升温，耐火性能达到3h，一般涂料涂层厚度约需20 ~ 30 mm；由于涂层较厚，需要多次喷涂，施工困难。
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