
Polycarbonate + PBT
VALOX™ FR Resin 357 – Americas
VALOX 357 is an unreinforced, impact modified flame retardant Polybutylene Terephthalate/Polycarbonate (PBT/PC) injection moldable grade. It has excellent chemical resistance and a UL94V0@0.63mm and 5VA@3.0mm flame rating. This is a good candidate for applications in the electrical industry including bobbins, switches, and enclosures.
Processes
- Injection Mold Tooling & Parts
Properties
- High temp
- Chemical-resistant
Applications
- Appliances
- Automotive Under the Hood
- Construction Applications
- Decorative Parts
- Electric Vehicle (EV) Applications
- Electrical Parts
- Electrical/Electronic Applications
- Electronic Displays
- Energy Storage
- Fluid Handling
- Industrial Applications
- Lawn and Garden Equipment
- Lighting Applications
- Material Handling
- Medical Devices
- Medical/Healthcare Applications
- Military/Defense Applications
- Outdoor Applications
- Recreational Vehicle Applications
- Surgical Instruments
- Water Management
Properties
General | ||||
Material Status
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Availability
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Uses
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Multi-Point Data
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Also Available In
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Mechanical |
Nominal Value
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Unit
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Test Method
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Tensile Modulus
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|||
— 2
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293000
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psi
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ASTM D638 |
—
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319000
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psi
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ISO 527-1/1 |
Tensile Strength
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|||
Yield 3
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6960
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psi
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ASTM D638 |
Yield
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7250
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psi
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ISO 527-2/50 |
Break 3
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6530
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psi
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ASTM D638 |
Break
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5800
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psi
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ISO 527-2/50 |
Tensile Elongation
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|||
Yield 3
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5.0
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%
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ASTM D638 |
Yield
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5.0
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%
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ISO 527-2/50 |
Break 3
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110
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%
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ASTM D638 |
Break
|
30
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%
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ISO 527-2/50 |
Flexural Modulus
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1.97 in Span 4
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299000
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psi
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ASTM D790 |
— 5
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290000
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psi
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ISO 178 |
Flexural Stress
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— 5, 6
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10600
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psi
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ISO 178 |
Yield, 1.97 in Span 4
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12000
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psi
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ASTM D790 |
Break, 1.97 in Span 4
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12000
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psi
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ASTM D790 |
Thermal |
Nominal Value
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Unit
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Test Method
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Deflection Temperature Under Load
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|||
66 psi, Unannealed, 0.126 in
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275
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°F
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ASTM D648 |
66 psi, Unannealed, 0.252 in
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280
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°F
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ASTM D648 |
66 psi, Unannealed, 0.157 in, 2.52 in Span 8
|
257
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°F
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ISO 75-2/Bf |
264 psi, Unannealed, 0.126 in
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208
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°F
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ASTM D648 |
264 psi, Unannealed, 0.252 in
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210
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°F
|
ASTM D648 |
264 psi, Unannealed, 0.157 in, 2.52 in Span 8
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183
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°F
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ISO 75-2/Af |
Vicat Softening Temperature
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—
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273
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°F
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ASTM D1525 9 |
—
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302
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°F
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ISO 306/B120 |
—
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293
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°F
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ISO 306/B50 |
Ball Pressure Test 10 (253 to 261°F)
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Pass
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IEC 60695-10-2 | |
CLTE
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Flow : -40 to 104°F
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5.1E-5
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in/in/°F
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ASTM E831 |
Flow : 140 to 280°F
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6.9E-5
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in/in/°F
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ASTM E831 |
Flow : -40 to 104°F
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4.0E-5
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in/in/°F
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ISO 11359-2 |
Transverse : -40 to 104°F
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4.7E-5
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in/in/°F
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ASTM E831, ISO 11359-2 |
RTI Elec
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248
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°F
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UL 746B |
RTI Imp
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248
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°F
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UL 746B |
RTI Str
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284
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°F
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UL 746B |
Electrical |
Nominal Value
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Unit
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Test Method
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Volume Resistivity
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> 1.2E+16
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ohms·cm
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ASTM D257 |
Dielectric Strength
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ASTM D149 | ||
0.0630 in, in Oil
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640
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V/mil
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0.126 in, in Air
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470
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V/mil
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0.126 in, in Oil
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470
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V/mil
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Dielectric Constant
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ASTM D150 | ||
100 Hz
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3.20
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1 MHz
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3.20
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Dissipation Factor
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ASTM D150 | ||
100 Hz
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3.0E-3
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1 MHz
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0.030
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Arc Resistance 11
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PLC 6
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ASTM D495 | |
Comparative Tracking Index (CTI)
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PLC 2
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UL 746A | |
High Amp Arc Ignition (HAI) 12
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PLC 3
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UL 746A | |
High Voltage Arc Resistance to Ignition (HVAR)
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PLC 3
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UL 746A | |
Hot-wire Ignition (HWI)
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PLC 2
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UL 746A |
Flammability |
Nominal Value
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Unit
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Test Method
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Flame Rating
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UL 94 | ||
0.018 in
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HB
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0.025 in
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V-0
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0.12 in
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5VA
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Glow Wire Flammability Index (0.04 in)
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1760
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°F
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IEC 60695-2-12 |
Glow Wire Ignition Temperature
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IEC 60695-2-13 | ||
0.04 in
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1430
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°F
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0.08 in
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1380
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°F
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0.12 in
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1340
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°F
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Oxygen Index
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30
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%
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ASTM D2863 |
Injection |
Nominal Value
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Unit
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Drying Temperature
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248
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°F
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Drying Time
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3.0 to 4.0
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hr
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Suggested Max Moisture
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0.020
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%
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Suggested Shot Size
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40 to 80
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%
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Rear Temperature
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464 to 491
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°F
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Middle Temperature
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473 to 500
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°F
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Front Temperature
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482 to 509
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°F
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Nozzle Temperature
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473 to 500
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°F
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Processing (Melt) Temp
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482 to 509
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°F
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Mold Temperature
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122 to 167
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°F
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Back Pressure
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43.5 to 102
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psi
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Screw Speed
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50 to 100
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rpm
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Vent Depth
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9.8E-4 to 1.5E-3
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in
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Notes
20.20 in/min
3Type I, 2.0 in/min
40.051 in/min
50.079 in/min
6at Yield
780*10*4 sp=62mm
880*10*4 mm
9Rate A (50°C/h), Loading 2 (50 N)
10by VDE
11Tungsten Electrode
12Surface
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