Syensqo (Solvay Specialty Polymers) Mindel® B-322 Polysulfone, Modified (PSU, Modified)

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Syensqo (Solvay Specialty Polymers) Mindel® B-322 Polysulfone, Modified (PSU, Modified) (discontinued **)
Categories:	Polymer; Thermoplastic; Polysulfone (PSU)
Material Notes:	Mindel B-322 is a glass filled, modified polysulfone developed specifically for molded electrical connector applications requiring excellent dimensional stability and resistance to warpage. This material also has a high heat deflection temperature, good creep resistance, tensile and flexural strength and high rigidity. It has outstanding electrical properties, even at high frequencies and temperatures and is rated UL94 V-0 at 1/32" or 0.031"(0.8 mm) in all colors. Humidity resistance is another key feature. Mindel B-322 retains a high level of mechanical and electrical properties even at elevated temperatures, which can make it a suitable replacement for high performance thermosets. - Black: Mindel B-322 BK 1045
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Physical Properties	Metric	English	Comments

Specific Gravity	1.47 g/cc	1.47 g/cc	ASTM D792
Water Absorption	0.14 % @Time 86400 sec	0.14 % @Time 24.0 hour	ASTM D570
Linear Mold Shrinkage, Flow	0.0030 cm/cm	0.0030 in/in	ASTM D955
Linear Mold Shrinkage, Transverse	0.0050 cm/cm	0.0050 in/in	ASTM D955
Melt Flow	4.0 - 9.0 g/10 min @Load 2.16 kg, Temperature 275 °C	4.0 - 9.0 g/10 min @Load 4.76 lb, Temperature 527 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	80	80	ASTM D785
Tensile Strength	103 MPa	14900 psi	ASTM D638
Elongation at Break	2.5 %	2.5 %	ASTM D638
Flexural Strength	159 MPa	23100 psi	ASTM D790
Flexural Modulus	6.89 GPa	999 ksi	ASTM D790
Izod Impact, Notched	0.534 J/cm	1.00 ft-lb/in	ASTM D256
Tensile Impact Strength	84.1 kJ/m²	40.0 ft-lb/in²	ASTM D1822

Electrical Properties	Metric	English	Comments
Dielectric Constant	3.7 @Frequency 1000 Hz	3.7 @Frequency 1000 Hz	ASTM D150
	3.7 @Frequency 1e+6 Hz	3.7 @Frequency 1e+6 Hz	ASTM D150
	3.7 @Frequency 60 Hz	3.7 @Frequency 60 Hz	ASTM D150
Dielectric Strength	20.0 kV/mm @Thickness 1.60 mm	508 kV/in @Thickness 0.0630 in	Method B (Step-by-Step); ASTM D149
	20.0 kV/mm @Thickness 3.18 mm	508 kV/in @Thickness 0.125 in	Method A (Short-Time); ASTM D149
	29.0 kV/mm @Thickness 0.800 mm	737 kV/in @Thickness 0.0315 in	Method B (Step-by-Step); ASTM D149
	30.0 kV/mm @Thickness 0.800 mm	762 kV/in @Thickness 0.0315 in	Method A (Short-Time); ASTM D149
Dissipation Factor	0.0020 @Frequency 60 Hz	0.0020 @Frequency 60 Hz	ASTM D150
	0.0030 @Frequency 1000 Hz	0.0030 @Frequency 1000 Hz	ASTM D150
	0.0090 @Frequency 1e+6 Hz	0.0090 @Frequency 1e+6 Hz	ASTM D150
Arc Resistance	125 sec	125 sec	ASTM D495

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	27.0 µm/m-°C	15.0 µin/in-°F	ASTM D696
Thermal Conductivity	0.220 W/m-K	1.53 BTU-in/hr-ft²-°F	ASTM C177
Deflection Temperature at 1.8 MPa (264 psi)	160 °C	320 °F	Unannealed; ASTM D648
UL RTI, Electrical	160 °C	320 °F	UL 746
UL RTI, Mechanical with Impact	160 °C	320 °F	UL 746
UL RTI, Mechanical without Impact	160 °C	320 °F	UL 746
Flammability, UL94	V-0 @Thickness 0.790 mm	V-0 @Thickness 0.0311 in	UL 94
Oxygen Index	35 %	35 %	ASTM D2863

Processing Properties	Metric	English	Comments
Melt Temperature	271 - 316 °C	520 - 601 °F
Mold Temperature	65.6 - 98.9 °C	150 - 210 °F
Drying Temperature	135 - 163 °C @Time 10800 - 14400 sec	275 - 325 °F @Time 3.00 - 4.00 hour
Moisture Content	0.020 %	0.020 %

Descriptive Properties
Additive	Flame Retardant
Appearance	Colors Available
	Natural Color
Availability	Asia Pacific
	Europe
	North America
	South America
Features	Flame Retardant
	Good Chemical Resistance
	Good Dimensional Stability
	High Rigidity
	Warp Resistant
Forms	Pellets
Processing Method	Injection Molding
RoHS Compliance	RoHS Compliant
Suggested Max Regrind, %	25
Uses	Appliance Components
	Appliances
	Business Equipment
	Electrical Housing
	Electrical Parts
	Electrical/Electronic Applications

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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PSOL8Y921 / 107705

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