JKN-LWM-520 Light-weight additive for oil well cement mainly consists of floating beads. After coal combustion, the part of the ash melt and due to the surface tension, the ash part shrinks to spheres, when the powder ash flies into the water, it is ...

JKN-LWM-550 is a high-performance hollow glass bead, mainly used as reducing agent(filling agent)in the low density cement slurry.