播放中国国产国语纯一级黄片免费看, 大鸡吧快来啊阿啊阿啊黄片在线播放, 中文精品日韩网站在线观看视频免费, 别揉我奶头~嗯~啊~一区二区三区,AV无码播放一级毛片免费古装,亚洲春色一区二区三区,91大神极品,美国一级大黄一片免费下载,午夜爽爽爽男女免费观看软件

  1. 首頁(yè)
  2. 化工助手
  3. 化學(xué)配方數(shù)據(jù)庫(kù)
  4. TEXTILES
化學(xué)配方數(shù)據(jù)庫(kù)
配方類型： TEXTILES
配方說(shuō)明： Nonstiffening Waterproofing for Cloth
配方組成： Stearic Acid/2
Xylol/94
Linseed Oil/1
Aluminum Sterate/2
China-Wood Oil/1
配制方法： Mix the two oils with the xylol, and heat them on a hot plate, away from open flames, to 150F. Wet the stearate and stearic acid with a portion of the solvent and add them to the oils with agitation. Hold at 150F. until dissolved. Cool to room temperature and strain through cheesecloth.

返回?cái)?shù)據(jù)庫(kù)查詢
QQ: 2241752642
微信二維碼
電話: 19906633110