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. INKS
化學(xué)配方數(shù)據(jù)庫(kù)
配方類型： INKS
配方說(shuō)明： Drawing Ink
配方組成：
配制方法： they consist of extremely fine suspensions of carbon particles inn a solution of dewaxed shellac in borax. Lampblack is incorporated into the shellac solution by thorough milling and the smooth paste is then diluted to proper consistency. A small amount of glycerine and a preservative are added and the ink let stand for several days to allow carbon particles which have not gone into suspension to settle. The ink is then drawn out.
Drawing ink usually contains 10-14% solids of which about half is carbon black and the rest the shellac binder.

返回?cái)?shù)據(jù)庫(kù)查詢
QQ: 2241752642
微信二維碼
電話: 19906633110
朔州市| 四川省| 冷水江市| 楚雄市| 安岳县| 女性| 托克逊县| 大城县| 贵南县| 裕民县| 安福县| 手游| 敦化市| 昌平区| 将乐县| 乾安县| 平潭县| 米泉市| 德庆县| 喀什市| 鄂伦春自治旗| 宝山区| 乌审旗| 西昌市| 宁陵县| 岳阳县| 长阳| 沧源| 田阳县| 多伦县| 临潭县| 盐亭县| 祁连县| 广灵县| 迁西县| 张掖市| 和林格尔县| 宁海县| 邻水| 临夏县| 祥云县|