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BMC 940-21769

Technical Datasheet | Supplied by LyondellBasell

BMC 940-21769 by LyondellBasell is a cost-effective, vinyl ester composite grade, reinforced with a conductive fiber and filler. Possesses medium conductivity, and excellent corrosion- & chemical resistance to dilute acids. BMC 940-21769 is specifically formulated to mold bipolar plates for use in electro-chemical devices capable of generating electricity from oxygen and hydrogen. Typical applications include stationary fuel cells and chemical batteries.

BMC 940-21769 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Linear Mold Shrinkage

0.00075 - 0.00125 in/in

((RT mold/ RT part))

ASTM D955

Cure Time

30 - 90 s

(<3.0mm thick)

Density

1.87 - 1.91 g/cm³

ASTM D792

Processing Properties

Value & Unit

Test Condition

Test Method

Mold Temperature

300 - 320 °F

*The last time this product was checked, its availability could not be confirmed. If you have more information about its availability, please contact us.

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BMC 940-21769

BMC 940-21769 Properties

Physical Properties

BMC 940-21769 Processing Guidelines

Processing Properties