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Lytex® 4181

Technical Datasheet | Supplied by Quantum Composites

Lytex® 4181 by Quantum Composites is a low density, epoxy-based engineered structural composite, reinforced with 55% chopped carbon fiber. Offers easy moldability, high strength, fatigue resistance and high heat resistance. Lytex® 4181 is suitable for processing by compression molding. Used in aerospace secondary & tertiary structures, components, fairings, brackets and panels.

Lytex® 4181 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Specific Gravity

1.48 g/cm³

(cured, net shape specimen)

ASTM D792

Linear Mold Shrinkage

< 0.000 mm/mm

(cured, net shape specimen)

ASTM D955

Compression Molding Properties

Value & Unit

Test Condition

Test Method

Molding Temperature

280 - 330 °F

Molding Time

5 - 10 min

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Lytex® 4181

Lytex® 4181 Properties

Physical Properties

Lytex® 4181 Processing Guidelines

Compression Molding Properties