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

Pitch Binder
  • Product standards

    Q/640181BCXC 002—2021

  • Package

    *Canned

Technical requirement

Test itemsTechnical indicators
Softening point,℃70~100
Quinolone insoluble ,w/%8-12
Toluene insoluble ,w/%20~35
Coking value,w/%≥50
Ash content,w/%≤0.30
Moisture,w/%≤1.0

Use to

It is mainly used as binder for carbon products or road asphalt, modified asphalt, roof coating, building materials, pitch coke, carbon products and pitch forelectrodes, etc.