Faults: no acid especially not resistant to mineral acid, not ultraviolet radiation resistant, no self-extinguishing RTV silicone compound, not near fire.
缺点：不耐酸尤其不耐矿物酸，不耐紫外线，无自熄性，不能近火。
Faults: no acid especially not resistant to mineral acid, not ultraviolet radiation resistant, no self-extinguishing RTV silicone compound, not near fire.
缺点：不耐酸尤其不耐矿物酸，不耐紫外线，无自熄性，不能近火。
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