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. PHOTOGRAPHY
化學(xué)配方數(shù)據(jù)庫(kù)
配方類型： PHOTOGRAPHY
配方說(shuō)明： Correcting Photographic Negatives (U.S. Patent 2,484,091)
配方組成： Spar Varnish/5
Lampblack/5
The bleached area is then covered with this paint
Sodium Bicarbonate/5
Water/90
Glacial Acetic Acid/5
Glycerin/5
Water/50
Gluten/15
Alcohol/5
Resin Powder/25
Color/To suit
Turpentine or Paint Thinner/10
Glycerin/5
Cuprous Oxide/40
Ground Powdered Glass/15
Gum Arabic/20
配制方法： The excess paint is removed by blotting and, while still moist, this solution is applied.
The final solution is allowed to react with the ink and removes the paint over the lines, causing them to appear on the painted background.
The correction is completed by polishing the treated portion with a mild abrasive.

返回?cái)?shù)據(jù)庫(kù)查詢
QQ: 2241752642
微信二維碼
電話: 19906633110
新巴尔虎右旗| 广安市| 眉山市| 富顺县| 和林格尔县| 沙湾县| 瓮安县| 紫金县| 枞阳县| 天台县| 宁城县| 衡东县| 沂源县| 丰台区| 长寿区| 五莲县| 阳谷县| 奇台县| 隆林| 瓦房店市| 南宁市| 自贡市| 石台县| 永新县| 佳木斯市| 交城县| 涪陵区| 榆树市| 武隆县| 上犹县| 信宜市| 酉阳| 道孚县| 厦门市| 金塔县| 正阳县| 松原市| 孟津县| 岐山县| 普定县| 三台县|