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ProTherm® 4303 CPVC

Technical Datasheet | Supplied by Westlake

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 temperatures. Exhibits excellent processing, stability and overall physical properties. Provides superior toughness, excellent chemical resistance and a superior lifespan in demanding fluid handling applications. ProTherm® 4303 CPVC meets NSF Standard 14 cell classification 24448 requirements.

ProTherm® 4303 CPVC Properties

Mechanical Properties

Value & Unit

Test Condition

Test Method

Tensile Strength

7200 psi

ASTM D638

Tensile Modulus

385000 psi

ASTM D638

Impact Strength, Notched Izod

5.8 ft-lb/in

(1/8")

ASTM D256

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