天堂无码人妻精品AV一区,日本不卡高字幕在线2019,中文字幕乱码亚洲无线三区,《诱人的妺妺3》在线观看,群啪NP纯肉性校园运动会,寡妇一夜爽了六次,噼里啪啦免费观看视频,欧美XXXXX高潮喷水麻豆,色噜噜噜色噜噜噜色琪琪,体育生爽擼又大又粗的雞巴

This black powder is used as anti-high temperature, salt-resistant fluid loss additive. It improves the mud cake quality effectively.

The product should be kept in shady, dry and ventilated warehouse with environment temperature controlled within 122F and relative humidity 50%. It should be prevented from sun and rain, and positioned in some place away from heat and fire; the recommendation for bag piles is no more than 8 layers.
The expiration period is 24 months. It should not be utilized unless examined and qualified if out of expiration.

Physic Properties: