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

化學配方數(shù)據(jù)庫
配方類型: METALS AND TREATMENTS
配方說明: Etching Type Aluminum Cleaner
配方組成: Citric acid/10
Water/73
Methyl "Cellosolve"/6
"Renex" 30/10
Hydrofluoric acid (48%)/1
配制方法: At point of use it should be diluted 1:4 with water for cleaning operation. After 3-4 min it should be thoroughly rinsed off. The hydrofluoric acid acid is present to aid inn the removal of solid soil on the aluminum to give off hydrogen gas which simulates mechanical action on the soil.
Note: Care should be exercised in the handling of hydrofluoric acid.

返回數(shù)據(jù)庫查詢
QQ: 2241752642
微信二維碼
電話: 19906633110
中阳县| 高邮市| 札达县| 隆回县| 建湖县| 泸州市| 温宿县| 靖江市| 石门县| 沙湾县| 三都| 萝北县| 鹤峰县| 渝中区| 崇礼县| 建阳市| 嘉黎县| 会宁县| 承德县| 武强县| 五寨县| 囊谦县| 南涧| 南皮县| 安福县| 新安县| 华安县| 浦东新区| 聊城市| 娄底市| 建湖县| 新巴尔虎右旗| 新绛县| 澜沧| 大竹县| 舞阳县| 庄河市| 麻江县| 深圳市| 霍山县| 拉萨市|