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by SpecialChem

CE 221

Technical Datasheet | Supplied by Carbon

CE 221 by Carbon is a high performance cyanate ester grade. It exhibits excellent strength, excellent stiffness, good heat deflection temperature (231⁰C), good thermal stability and chemical resistance. It can withstand over 92 MPa stress before breaking. It is designed for processing by 3D printing. It is available in viscous liquid form and transparent yellow in color. CE 221 is recommended for under the hood component, electronic assemblies, medical devices and industrial products.

CE 221 Properties

Mechanical Properties

Value & Unit

Test Condition

Test Method

Flexural Modulus

3667 - 3893 MPa

(Chord, 0.5-1% Strain)

ASTM D790A

Impact Strength, Notched Izod

14 - 16 J/m

(Machined)

ASTM D256

Impact Strength, Unnotched Izod

245 - 337 J/m

ASTM D4812

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