RXSOL Tex Additive is a sodium asphalt sulfonate made water soluble by a unique sulfonation process. It is a versatile, total mud conditioner that stabilizes shale formations, significantly increases lubricity, and lowers HTHP water loss. Rxsol Tex Additive enhances filter cake properties in both oil-based and water-based muds. Due to unique chemistry of Rxsol Tex Additive has delivered extraordinary results in both water-based and oil-based muds.