热镀锌高速公路护栏
热浸镀锌原理：镀锌铁要清洁干净，然后进行溶剂处理，干燥后浸入液态锌，锌铁锌层反应产生合金化，工艺为脱脂，洗涤，酸洗，有助于电镀 - 干燥 - 热镀锌，分离，冷却钝化。
热镀锌高速公路护栏的优点：
1.耐久性：在郊区，标准热浸镀锌防锈能力可保持50年以上，无需修理;在城市或近海地区，标准热浸镀锌涂层可以保存20年而不需要修理;
2.良好的可靠性：锌镀层和钢是冶金结合，这是钢表面的一部分，所以涂层的耐用性更加可靠。
3.涂层具有很强的韧性：锌涂层形成特殊的冶金结构，在运输和使用时可承受机械损伤。
4.全面保护：电镀的每一部分都可以镀锌，即使在凹陷处，尖角和隐藏处也可以得到充分的保护。
5.测试简单方便：热浸镀锌可视化，简单无损涂层测厚仪。
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