日韩桃色精品,AV日韩网,国产女人精品免费网站,射久久久久久久,超碰97在线直播,思思热999re,久久大香蕉在线视频,国产视频九色在线,在线极品国产精品专区

  1. 首頁(yè)
  2. 化工助手
  3. 化學(xué)配方數(shù)據(jù)庫(kù)
  4. COATINGS
化學(xué)配方數(shù)據(jù)庫(kù)
配方類型： COATINGS
配方說(shuō)明： Coating for Copper or Brass
配方組成： Conc. ammonium hydroxide/9
"Carboset" 525 resin/90
Demineralized water/501
"Cobratec" TT 100/3
配制方法： Heat the water to 120F, and add the ammonium hydroxide. The add the "Carboset" 525 with moderate agitation to avoid foaming. Maintain a pH of 8.0 to 8.5 until the resin dissolves. Cool and add the "Cobratec" and stir to uniformity.
Note: Small amounts of "Cobratec" in "Carboset" coatings prevent greening of copper and brass surfaces and also improve the corrosion resistance of the coating.

返回?cái)?shù)據(jù)庫(kù)查詢
QQ: 2241752642
微信二維碼
電話: 19906633110
澎湖县| 灵璧县| 阿合奇县| 安乡县| 分宜县| 翁牛特旗| 太湖县| 绥阳县| 龙门县| 阳西县| 青铜峡市| 木兰县| 宜城市| 永川市| 靖边县| 大石桥市| 黄石市| 刚察县| 皋兰县| 靖州| 吉林省| 天长市| 壶关县| 荔浦县| 满城县| 新宾| 平舆县| 鲁山县| 阿荣旗| 玉屏| 巴南区| 灌南县| 尼玛县| 威海市| 沧源| 阳春市| 吉首市| 大厂| 南安市| 丹寨县| 高邑县|