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  • Selection of cleaning agent

    Selection of cleaning agent

    2016-01-23 1203

    Do you think the air conditioner in your home has a peculiar smell? Is it found that the air conditioner is not awesome? Is the heating more insufficient in winter? In fact, these are closely relat

  • About ink cleaners

    About ink cleaners

    2015-12-29 1159

    The printing equipment shall be cleaned regularly during the production process. Gasoline was first used to clean printing ink, but the cleaning effect was not satisfactory, and it had a great impac

  • Properties and industrial application of electroless nickel based alloys

    Properties and industrial application of electroless nickel based alloys

    2015-10-20 1188

    化学镀镍是一项得当将来工业生长要求的一项新技能,它易实现主动化、低污染、低本钱的实用技能,其重要功效是提供耐磨及防腐兼备的防护层。化学镀镍层常应用在以下基体质料上:钢和铁占71%;铝及铝合金上占20%;东西钢及高合金钢上占6%;别的质料上占3%。化学镀镍之以是得到云云遍及的应用,是其优秀的性能所决定的。化学镀镍的性能长处:1、镀层的光明度Compared with the pale yellow

  • How do chemical elements affect the formation of stainless steel

    How do chemical elements affect the formation of stainless steel

    2015-10-14 1130

    Effect of Cr, Si and Al on stainless steelCr、Si、Al是F形成元素,是不锈钢取得耐腐蚀性能的主要合金元素。Cr在不锈钢表面形成致密的(FeCr)2O3, 起激烈的钝化作用并使不锈钢的化学稳定性失掉提高 。 Si、Al也起同样作用,但是Si含量过高,会造成不锈钢的力学性能下降,以及可焊性降低。 Al主要用于沉淀硬化不锈钢,起细化晶粒,固溶强化的作用;用来

  • Analysis of common bad phenomena in cyanide copper plating process

    Analysis of common bad phenomena in cyanide copper plating process

    2015-10-12 1500

    1. The coating is rough and the color is dark red1.从简至难扫除原则:先反省是不是温度太低,再有这种现象最多的氰化物不足引起,要常常剖 析与补加氰化物含量,正常镀液中铜离子可以由铜阳极补充,游离氰化钠要靠每日补加。2.再有就是阳极钝化了,大家可以察看下阳极左近溶液是否发浅蓝色阳极发作钝化现象 ,这时就应取出阳极清算并增加阳极面积 ,还有增加酒石酸钾

  • Industrial degreasing and cleaning agents are used in different industries

    Industrial degreasing and cleaning agents are used in different industries

    2015-10-10 1105

    (I) metal processing industry  1、电镀件预处置清洁  2、涂漆前的预处置清洁  3、粘接件预处置清洁  4、氧化铝膜预处置清洁  5、钢铁范围中的铁皮清洁(热轧钢板,冷轧钢板,拉拨钢管)  6、机械范围中油压管路,机械加工中心工序,精加工与拼装工序清洁。  7、电子设备范围中对电子设备的制作和操作有影响的污染物的清洁。  (二)食品工业  食品工业的化学清洁以坚持食

  • Comprehensive understanding of the components of cyanide free alkaline copper plating bath

    Comprehensive understanding of the components of cyanide free alkaline copper plating bath

    2015-09-29 1242

    (1) cylinder opening agentSF–638Cu无氰碱铜开缸剂为稀释液,呈蓝色,主要由铜盐和络合剂组成。其中,铜盐是硫酸铜、氯化铜、硝酸铜和碱式碳酸铜中的一种或几种混合物;络合剂与 促进剂中的络合剂相同。铜离子含量为18 g/L,其参加量为250 500 mL /L,用于配缸及铜离子浓度的补充,还有其他均衡成份。开缸剂参加量太小,则铜 含量太低,溶液的导电性能差,分

  • What precautions should be taken when using dewaxing water

    What precautions should be taken when using dewaxing water

    2015-09-23 1204

    1. When using dewaxing water, the best process flow shall be set under the guidance of professional personnel according to the material, structure, wax type, oil stain amount, equipment, etc. of the w

  • Organic solvent cleaning and water-based cleaning agent for optical glass

    Organic solvent cleaning and water-based cleaning agent for optical glass

    2015-09-19 1182

    (1) cleaning process for organic solvent cleaning  有机溶剂清洁剂(超声波)-水基清洗剂(超声波)-市水漂洗-纯水漂洗-IPA(异丙醇)脱水-IPA慢拉枯燥。  有机溶剂清洗剂的主要用途是清洗沥青及漆片。以前的溶剂清洗剂多采用三氯乙烷或三氯乙烯。由于三氯乙烷属ODS(消耗臭氧层物质)产品,目前处于强迫淘汰阶段;而临时使用三氯乙烯易招致职业病,而且由

  • Optical glass cleaner -- organic solvent and water-based cleaner

    Optical glass cleaner -- organic solvent and water-based cleaner

    2015-09-16 1163

    (1) cleaning process for organic solvent cleaning  有机溶剂清洁剂(超声波)-水基清洗剂(超声波)-市水漂洗-纯水漂洗-IPA(异丙醇)脱水-IPA慢拉枯燥。  有机溶剂清洗剂的主要用途是清洗沥青及漆片。以前的溶剂清洗剂多采用三氯乙烷或三氯乙烯。由于三氯乙烷属ODS(消耗臭氧层物质)产品,目前处于强迫淘汰阶段;而临时使 用三氯乙烯易招致职业病,而且

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