免费国产草莓视频在线w,大学生美女爽到高潮视频,无缓冲国产主播在线播放,淫荡大鸡巴免费视频,AV午夜久久蜜桃传媒软件,国产男女高清视频m免费,精品99久久99久久久,凹凸人妻在线视频人,wwwxxx国产,xxxxx丰满少妇高潮

Product Detail

Oil Drilling Grade

① Introduction:The main functions of CMC or PAC are thickening and water-retention during the extraction of oil and gas process.

② Character:

1. Good salt tolerance,anti-bacterial property,less dosage and high yield;

2. Fluid loss reduction ,the viscosity improvement and strong suspending capacity;

3. Environmental friendly,nontoxic,harmless and odorless;

4. Good liquidity,convenient to construction,supply instant type PAC to improve drilling efficiency.

③ Standard: GB/T5005-2010.

④ Type: HDO03 series and PAC series.