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"Mar-Bal, a leader in thermoset compound extrusion, provides engineered BMC and thermoset composite materials well-suited for a wide variety of applications across a spectrum of industries. All standard grades can be injection, compression and transfer molded.

Our expertise extends beyond the materials listed below. If your application is specialized, Mar-Bal’s professional material engineering team will customize materials to fit your job and meet your exact specifications."

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Mar-Bal MB5500 with a UL RTI rating of 160°C-170°C, the 5500 provides a superior heat resistant material for your application.

Mar-Bal MB5500

Mar-Bal MB2000-5 is an excellent flame and track resistant material possessing outstanding electrical and mechanical properties.

Mar-Bal MB2000-5

Mar-Bal MB4000 is a best high track resistant material. A flame retardant polyester molding compound with moderate strength, excellent electrical properties and exceptional arc and track resistance.

Mar-Bal MB4000

Mar-Bal MB1000-10 is designed for powder coating and electrostatic painting applications.

Mar-Bal MB1000-10

Mar-Bal MB3000-20NY is a superior chemical-resistant material with excellent flame and track resistance.

Mar-Bal MB3000-20NY

Mar-Bal MB1000-25 is designed for powder coating and electrostatic painting applications.

Mar-Bal MB1000-25

Mar-Bal MB1000-15 is designed for powder coating and electrostatic painting applications.

Mar-Bal MB1000-15

Mar-Bal MB2000-25 is an excellent flame and track resistant material possessing outstanding electrical and mechanical properties.

Mar-Bal MB2000-25

Mar-Bal MB2000-20 is an excellent flame and track resistant material possessing outstanding electrical and mechanical properties.

Mar-Bal MB2000-20

Mar-Bal

"Mar-Bal, a leader in thermoset compound extrusion, provides engineered BMC and thermoset composite materials well-suited for a wide variety of applications across a spectrum of industries. All standa

Mar-Bal - Thermoset Extrusion - Composites - Knowde

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Mar-Bal Materials Chart Metric Data Sheet

Mar-Bal Materials Chart Metric Data Sheet - Mar-Bal

Mar-Bal MB4000 - Molding Compound - Resin Transfer Molding (RTM)

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	Value	Units	Test Method / Conditions
Listed File E80543	Yes	—	-
Flammability UL104	V0	—	-
Specific Gravity	1.7 - 1.9	—	D792
Mold Shrinkage 0.001/in	0.5 - 3	—	D955
Barcol Hardness	41 - 47	—	D2583
Heat Distortion Temp at 264°C	min. 260	psi	D648
Water Absorption in 24 hrs	0.12	%	D570
Bulk Factor	1 - 1.5	—	D1895

	Value	Units	Test Method / Conditions
Impact Strength, Notched Izod	505 - 560	J/m	D256
Flexural Strength	115 - 125	Mpa	D790
Flexural Modulus	11.7 - 13.1	Gpa	D790
Tensile Strength	60 - 70	Mpa	D638
Compressive Strength	145 - 165	Mpa	D695

	Value	Units	Test Method / Conditions
Arc Resistance	185	Seconds	D495
Inclined-Plane Tracking	1500	Minutes	D2303
Dielectric Strength	13.8	kV/mm	D149

Mar-Bal MB4000

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