枕边欢情电影在线观看,张筱雨人体艺术摄影,女人被狂c到高潮视频网站,欧美老人巨大xxxx做受,樱花动漫官网官方入口在哪下载,freesexmovies性护士第一次,他扒开我的裙底把舌头伸进去,娇妻在交换中哭喊着高潮,音乐大师课第三季,炙甘草的功效与作用,樱花动漫官方正版入口是什么,成全在线观看免费观看,JK裙子全开襟做运动,ххх中国人免费的片

Anthracene oil

  • Product standards

    GB/T 24211-2009

  • Package

    *Canned

Technical requirement

Test itemsTechnical indicators
density (20℃)，q/cm31080~1.180
Quantity of distillate before 300 ° C，w/%≤10.0
Quantity of distillate before 360 ° C，w/%≥50.0
Viscosity，E80≤2.0
Moisture，w/%≤1.5

Use to

It is mainly used to extract crude anthracene, phenanthrene, fluorene, acenaphthene, carbazole and other products, and canalso be used to produce carbon black, wood preservative oil, pesticides, etc.