Gilsonite also named Natural asphalt, which is similar to hard petroleum asphalt and is often called natural asphalt, it is soluble in aromatic solven ... Explore More
It's a proven extensively used drilling fluid additive with many fine properties. Oil asphalt is basal raw material. It appears brown in easy brea ... Explore More
FIL 33 is a kind of pure polymer, formed by the polymerization of the modified AMPS, low molecular weight amides, carboxyl acid. It is soluble high mo ... Explore More
