锌、铝是负电位和钢结构构成献身阳极维护效果从而使钢铁根本得到了维护。现在用喷铝涂层来避免工业大气、海洋大气的腐蚀，其特色如下：
Zinc and aluminum are negative potential and steel structure, and the maintenance effect of the anode helps to maintain the steel. The aluminum sprayed coating is used to avoid corrosion of industrial atmosphere and marine atmosphere.
（1）喷铝涂层与钢铁基体结合力结实、涂层寿数长，长时间经济效益好；山西钢结构
(1) aluminum sprayed coating has strong bonding strength with iron and steel substrate, long coating life and good economic benefits for a long time; Shanxi steel structure.
（2）工艺灵敏，适用于重要的大型及难修理的钢铁结构的长效防护，可现场施工；
(2) the technology is sensitive and suitable for long term protection of important and difficult to repair steel structures.
（3）喷锌或喷铝涂层加防腐涂料关闭，可大大延长涂层的使用寿数，从理论和实践使用的效果来看，喷锌或喷铝的涂层是防腐涂料的最好底层。金属喷涂层与防腐涂料涂层的复合涂层的防护寿数较金属喷涂层和防腐涂料防护层二者寿数之和还要长，为单一涂料防护层寿数的数倍。山西钢结构
(3) spraying zinc or spraying aluminum coating with anticorrosive coating can greatly prolong the life of the coating. From the theory and practice, the coating of spraying zinc or spraying aluminum is the best bottom of the anticorrosive coating. The protective life of the composite coating of the bbbbl spraying layer and the anticorrosion coating is more than the two life of the bbbbl spraying layer and the anticorrosive coating protection layer, which is several times the number of the life of the single coating protection layer. Steel structure in Shanxi
重防腐长效涂料由底漆、中心漆和面漆构成。
The heavy duty anticorrosive long-lasting coating consists of primer, center paint and top coat.
钢结构从长效经济性考虑，喷铝涂层最为经济，但一次性投入大，施工良好的涂层可在10年内无需修理。环氧富锌底漆+环氧云铁中心漆及丙烯酸聚氨酯长效防护体系具有较佳的经济性.钢结构常用喷锌或喷铝，加剧腐蚀涂料构成长效防腐结构，或许用配套重防腐涂料涂装防护。金属锌、铝具有很大的耐大气腐蚀的特性。在钢铁构件上喷锌或喷铝

Considering the long-term economic efficiency of steel structure, aluminum sprayed coating is the most economical, but the one-time investment is large, and the good coating can not be repaired in 10 years. The epoxy zinc rich primer + epoxy cloud iron center paint and the acrylic polyurethane long effect protection system have better economy. The steel structure is often used to spray zinc or spray aluminum, intensifying the corrosion coating to bbbb a long-acting anticorrosion structure, and perhaps using a supporting heavy anticorrosion coating for protection. bbbbl zinc and aluminum have great resistance to atmospheric corrosion. Spray zinc or spray aluminum on steel members

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