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钢铁常温快速发黑
发布者:admin  发布时间:2016-12-27 14:48:17  点击:3082

本文由无锡志丰工程机械设备厂提供,更多电缆输送机发黑处理 资讯请访问:www.wxzfgc.com

一、产品特点
  1.常温发黑处理,质量好,节能效果显著。
  2.生产批量灵活,随时可满足生产要求,工作效率高。
  3.适用范围广,对各种钢号的零件及工件效果相同。
  4.工作液稳定,操作简单,不产生有害气体,保护环境。
二、主要技术指标
1.本品外观为蓝绿色透明液体,不燃不爆、无气味挥发,贮存期两年。
2、比重:1.05±0.0l PH值:2-2.5。发黑量:4-6M2。
  三、使用方法
1、浓缩液1份加2-3份水变成工作液,(铸铁件应加3-4倍水)工作液的PH值为2~2.5

2、 工艺流程:
   清洗—水洗—发黑—水洗—浸防锈油
3、除油和除锈两道工序是常温发黑成败的关键,工件除油、除锈务必干净,可采用中温除油,超声波除油等处理。 
4、工件入发黑槽后,应上下抖动数次,发黑时间:.5-2分钟,视工件表面黑色膜均匀即可。
5、发黑工作液根据PH值调整,在使用过程中PH值大于2.5时,应补充原液,使其恢复到2~2.5之间,若PH值大于3时,则工作液PH值很难恢复到2~2.5之间。
6、脱水防锈油槽中应有多孔隔托住工件以免其沉入底部,要定期排放槽底的沉淀。
四、注意事项
1、除锈酸槽,发黑槽应用耐酸材料制作。
2、严禁酸、碱,油污带入发黑槽,使其报废。
3、塑桶包装:25KG/桶    保质期两年


A, product characteristics1. The room temperature processing, good quality, energy saving effect is remarkable.2. Production batch is flexible, can meet the production requirements at any time, high work efficiency.3. The applicability is wide and parts of various steel grade and the workpiece.4. Working liquid stability, simple operation, does not produce harmful gases, protect the environment.Second, the main technical indicators1. The product appearance is blue-green color transparent liquid, non-combustible don't explode, no smell volatile, storage period of two years.2, specific gravity: 1.05 + / - 0.0 l PH: 2-2.5.Black: 4-6 m2.Three, use method1 1 and 2-3 copies of the concentrated solution, water into working liquid, (cast iron pieces should add 3-4 times water) of the working liquid PH value is 2 ~ 2.52, technological process:Cleaning - water - black - water - leaching anti-rust oil3, degreasing and cleaning process is key to the success or failure of the normal temperature nigrescence, workpiece must clean oil removal, rust removal, oil removal can be used in the temperature, ultrasonic oil removal, etc.After 4, artifacts into the black tank, should shake up and down several times, black time: 5-2 minutes, depending on the membrane surface black uniform.5, black working liquid according to the PH adjustment, in the process of using PH value is greater than 2.5, should supplement concentrate, make its restore between 2 ~ 2.5, if the PH value is greater than 3, the working liquid PH value is difficult to restore between 2 ~ 2.5.6, dehydrate antirust oil in porous isolation should be hold workpiece in order to avoid the sink to the bottom, to discharge groove bottom of precipitation on a regular basis.Fourth, matters needing attention1, rust removing acid trough, black tank application acid material.2, it is forbidden to acid, alkali, black oil into the slot, make its scrap.3, plastic barrels packaging: 25 kg/barrel shelf life two years

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