为防止铁制暖气片生锈并且美观而刷的一层银粉是什么?

2025-03-15 00:04:41
推荐回答(3个)
回答1:

按正常手续是先刷一遍底漆,就是防锈漆,然后再刷一层银粉,实际上是铝粉,美观防锈的功能都具备。

回答2:

它刷了两次,第一次底漆防锈漆,第二次美观银粉漆

回答3:

  中文名称:银粉 英文名称:Silver powder CAS号:7440-22-4 分子式:Ag 分子量:107.87 纯度:≥99.95% MDL号:MFCD00003397 EC号:231-131-3
  编辑本段性状描述
  白色有光泽的面心立方结构的金属,性柔软,延展性仅次于金,是热和电的优良导体;与水和大气中的氧不起反应,遇臭氧、硫化氢和硫变成黑色;对大多数酸呈惰性,能很快溶于稀硝酸和热的浓硫酸,盐酸能腐蚀其表面,在空气中或氧存在下溶于熔融的氢氧化碱、过氧化碱和氰化碱;多数银盐对光敏感,在许多酸中不溶。
  编辑本段物理参数
  密度:10.49g/cm3(25℃)(lit.) 熔点:960℃(lit.) 沸点:2213℃(lit.)
  编辑本段用途说明
  微量分析;制造银盐和合金;催化剂;还原剂
  编辑本段贮藏运输
  密封干燥保存
  编辑本段化工词典

  silver powder (一)铝粉、铅粉,颜料。贡粉 铝粉防锈漆 呈鳞片状的铝粉或铝粉浆,因其颜色和泽如银,以称铝银粉和铝银浆,也称银粉。分浮型和非浮型两类。其良好的叶展性在涂膜中可形成连续不断的铝膜,可掩盖针孔,减少渗透性。铝粉漆可反射60%以上的紫外线,用在面漆中可提高耐候性。制成醇酸耐热漆可以耐200℃左右的高温,并且常在有机硅涂料中使用,耐高温达600℃。 在二十世纪六十年代,用铝粉锌粉制成66号灰色铝锌面漆,应用于南京长江大桥上面。片状的铝粉在漆膜层层重叠,与钢材底面平行,可以大大延缓外界腐蚀因子的渗透 (二)银的粉末。用于制造导电塑料、导电涂料、导电黏结剂等。

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