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: