ProTherm® 4303 CPVC by Westlake Chemical is a rigid extrusion CPVC powder compound. Designed for interior pipe applications with an O.D. range of 1/2 to 8 inches requiring high heat deflection... view more

ProTherm® 4345 CPVC is a rigid CPVC powder compound by Westlake Chemical. Provides superior toughness, excellent chemical resistance and a superior lifespan in demanding fluid handling applications... view more

ProTherm® 4353 CPVC by Westlake Chemical is a rigid CPVC powder compound for interior pipe applications. Designed for the extrusion of pipes with large diameter and heavy wall industrial pipe... view more

ProTherm® 4526 CPVC by Westlake Chemical is a rigid injection molding CPVC for interior fittings. Suggested for potable water and chemical transfer systems especially where high resistance and/or... view more