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BMC 665

Technical Datasheet | Supplied by LyondellBasell

BMC 665 by LyondellBasell is an unsaturated polyester composite grade, reinforced with glass fiber and mineral filler. Exhibits good moldability, and good creep-, oil- & solvent resistance. BMC 665 is designed for processing by compression, transfer and injection molding in matched metal die molds. Typical applications include replacements for die castings & sheet molding compounds, valve covers, intake manifolds, oil pans and structural components.

BMC 665 Properties

Thermal Properties

Value & Unit

Test Condition

Test Method

Heat Deflection Temperature (HDT)

> 260 °C

ASTM D648

Glass Transition Temperature, Tg

180 - 190 °C

ASTM D4065

Compression/Injection/Transfer Molding Properties

Value & Unit

Test Condition

Test Method

Mold Temperature

150 °C

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BMC 665

BMC 665 Properties

Thermal Properties

BMC 665 Processing Guidelines

Compression/Injection/Transfer Molding Properties