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
  2. 化工助手
  3. 化學(xué)配方數(shù)據(jù)庫
  4. METALS AND THEIR TREATMENT
化學(xué)配方數(shù)據(jù)庫
配方類型： METALS AND THEIR TREATMENT
配方說明： Coloring Copper Gray
配方組成： Immersion time/5 to 10 sec.
If you want a scratch-brushed finish, immerse the part in the
arsenic trioxide solution, rinse, brush wet, and re-immerse for
recoloring. The coating is a displacement film of arsenic which has
relatively little resistance to abrasion.
Formula No.
Ferric chloride (6H4O) or ferric sulfate (9H2O)/15 oz/gal
Immersion time/10 sec.
Hydrochloric acid (35%)/1 gal
Arsenic trioxide/13 to 14 oz/gal
Arsenic trioxide/4 oz/gal
Hydrochlori

返回?cái)?shù)據(jù)庫查詢
QQ: 2241752642
微信二維碼
電話: 19906633110
濮阳县| 应用必备| 永仁县| 保定市| 平南县| 新源县| 泗水县| 延长县| 泽库县| 浑源县| 武川县| 梁河县| 磐安县| 剑川县| 西华县| 和林格尔县| 紫金县| 安图县| 黄陵县| 南阳市| 马龙县| 河津市| 柘城县| 南溪县| 房山区| 吉林市| 海阳市| 万年县| 内江市| 南江县| 定安县| 阜平县| 新余市| 建宁县| 柞水县| 沅江市| 德保县| 桑植县| 蕉岭县| 卫辉市| 固阳县|