PBI Performance Products Celazole® PBI U-60 Unfilled Polybenzimidazole Resin

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PBI Performance Products Celazole® PBI U-60 Unfilled Polybenzimidazole Resin
Categories:	Polymer; Thermoplastic; Polybenzimidazole (PBI)
Material Notes:	Celazole® U-60 is an unfilled PBI polymer suitable for compression molding. U-60 is commonly molded and machined into precision parts for industrial, chemical and petrochemical industries; aerospace; glass making; and liquid crystal display (LCD) panel manufacture. U-60 grade Celazole® polybenzimidazole (PBI) resin is a unique organic polymer which does not burn in air and has extraordinary high temperature resistance, along with excellent stability tochemicals and hydrolysis. Features include: Highest compressive strength of any unfilled resin Excellent tensile and flexural strength Good fatigue properties Excellent hardness Low coefficient of friction Outstanding Tg and heat deflection temperature Relatively low coefficient of thermal expansion High volume resistivity Very good plasma resistance Information provided by PBI Performance Products
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Physical Properties	Original Value	Comments

Specific Gravity	1.30 g/cc
Filler Content	0.000 %
Water Absorption	0.400 % @Time 86400 sec	ASTM D570

Mechanical Properties	Original Value	Comments
Hardness, Rockwell E	104	ASTM D785
Hardness, Rockwell M	>= 125	ASTM D785
Hardness, Shore D	95.0	ASTM D2240
Tensile Strength at Break	160 MPa	ASTM D638
Elongation at Break	3.00 %	ASTM D638
Tensile Modulus	5900 MPa	ASTM D638
Flexural Strength	220 MPa	ASTM D790
Flexural Modulus	6500 MPa	ASTM D790
Compressive Yield Strength	390 MPa	ASTM D695
	340 MPa @Strain 10.0 %	ASTM D695
Compressive Modulus	5900 MPa	ASTM D695
Fatigue Strength	56.0 MPa @Frequency 1.00 Hz, # of Cycles 1.00e+6	35% of stress to failure; ASTM D638
Izod Impact, Notched	0.530 ft-lb/in	ASTM D256
Izod Impact, Unnotched	11.0 ft-lb/in	ASTM D256
Coefficient of Friction, Dynamic	0.160	vs. Al
	0.160	vs. Steel
	0.180	vs. Brass
Coefficient of Friction, Static	0.140	vs. Al
	0.150	vs. Steel
	0.160	vs. Brass

Electrical Properties	Original Value	Comments
Volume Resistivity	2.00e+15 ohm-cm	ASTM D257
Dielectric Constant	3.30 @Frequency 100000 Hz	ASTM D150
	3.40 @Frequency 1000 Hz	ASTM D150
	3.40 @Frequency 10000 Hz	ASTM D150
Dielectric Strength	23.0 kV/mm	ASTM D149
Dissipation Factor	0.00300 @Frequency 10000 Hz	ASTM D150
	0.0340 @Frequency 100000 Hz	ASTM D150
Arc Resistance	185 sec	ASTM D495

Thermal Properties	Original Value	Comments
CTE, linear	23.0 µm/m-°C @Temperature 25.0 - 150 °C	TMA
	33.0 µm/m-°C @Temperature 200 - 300 °C	TMA
Thermal Conductivity	0.410 W/m-K @Temperature 25.0 °C
Deflection Temperature at 1.8 MPa (264 psi)	435 °C	ASTM D648
Glass Transition Temp, Tg	427 °C	DMA
Oxygen Index	58.0 %	ASTM D2863

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