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STYRON™ 438

Technical Datasheet | Supplied by Trinseo

STYRON™ 438 by Trinseo is a natural colored, good flow, odorless, water insoluble, high impact polystyrene (HIPS) grade available in the form of pellets. Exhibits excellent stiffness, good toughness, chemical stability, high heat and impact resistance. Is suitable for processing by injection molding. Recommended for printers, food containers and household goods. STYRON™ 438 complies with U.S. FDA 21 CFR 177.1640, REACH REGULATION (EC) No 1907/2006, RoHS EU Directive 2011/65/EC and WEEE Directive 2012/19/EU.

STYRON™ 438 Properties

Mechanical Properties

Value & Unit

Test Condition

Test Method

Flexural Modulus

2560 MPa

ASTM D790

Flexural Strength

58.6 MPa

ASTM D790

Impact Strength, Notched Izod

91 J/m

(at 23°C)

ASTM D256

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