PAI Polyamide-imide (Torlon®)

DESCRIPTION

Polyamide-imide is recognized as the highest performance polymer available in standard machinable shapes.  Achieving a transition temperature of 500 degrees F, polyamide-imide is an extremely strong and stiff plastic material.  It has tremendous resistance to wearing with superior compressive strength, creep resistance, as well as resistance to most chemicals.  It is the go-to plastic for extreme environmental conditions.  Torlon® is the brand name owned by Solvay Advance Polymers the most common name associated with polyamide-imide.

Note: Due to the high cost and variable lead times, Meyer Plastics will need to source this material once we understand your application.  Call, text, or email Meyer Plastics and we will get right on your solution.

PRIMARY SOURCE

About the supplier:

Rochling, SE, Co is our primary source for standard PAI shapes

Polyamide-imide Properties:

PropertyTest methodUnitGuideline value
General properties
DensityDIN EN ISO 1183-1g/cm³1,37
Water absorptionDIN EN ISO 62%0,7
Flammability (Thickness 3 mm/6 mm)UL 94V0 / V0
Mechanical properties
Yield stressDIN EN ISO 527MPa90
Elongation at breakDIN EN ISO 527%15
Tensile modulus of elasticityDIN EN ISO 527MPa2700
Notched impact strengthDIN EN ISO 179kJ/m²7
Shore hardnessDIN EN ISO 868scale D85
Thermal properties
Melting temperatureISO 11357-3°C-
Glass transition temperatureISO 11357-3°C225
Thermal conductivityDIN 52612-1W/(m K)0.18
Thermal capacityDIN 52612kJ/(kg K)1.1
Coefficient of linear thermal expansionDIN 5375210⁻⁶/K55
Service temperature, long termAverage°C-50...180
Service temperature, short term (max.)Average°C220
Heat deflection temperatureDIN EN ISO 75, Verf. A, HDT°C200
Electrical properties
Dielectric constantIEC 602503.9
Dielectric dissipation factor (50 Hz)IEC 602500.002
Volume resistivityDIN EN 62631-3-1Ω cm10¹⁸
Surface resistivityDIN EN 62631-3-2Ω10¹⁴
Comparative tracking indexIEC 60112150
Dielectric strengthIEC 60243kV/mm25

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Properties Guide

Temperature (Deg F)

PlasticMaxMinRange
PTFE-Teflon500-328828
PAI-Torlon482-328810
PEEK-Polyetheretherketone482-76558
PEI-Ultem392-58450
PPSU-Radel356-58414
PPS-Polyphenylene sulfide356-4360
PSU Polysufone302-58360
PVDF-Polyvinylidene fluoride302-58360
PC-Polcarbonate275-76351
PA-Nylon Extruded225-22247
POM-Acetal Homopolymer221-58279
PA-Cast Nylon221-22243
HDPE-Polyethelene212-40252
PET-P Polyester210-58268
Acetal Copolymer203-58261
UHMW-Polyethelene180-238418
PMMA-Acrylic194-40234
ABS-Acrylonitrile Butadiene Styrene176-4180
PP-Polypropylene16232130
PVC-Polyvinyl Chloride14414130

Tensile (PSI)

PlasticTensile PSI
PAI-Torlon20,000
PEI-Ultem15,000
PEEK-Polyetheretherketone14,500
Nylon Cast13,000
PPS-Polyphenylene sulfide12,500
PA-Nylon Extruded12,000
PET-P Polyester11,750
PPSU-Radel10,100
PSU-Polysulfone10,050
POM-Acetal Homopolymer10,000
PC-Polcarbonate10,000
Acetal Copolymer9,750
PMMA-Acrylic9,000
PVC-Polyvinyl Chloride7,500
PVDF-Polyvinylidene fluoride7,000
ABS-Acrylonitrile Butadiene Styrene5,100
UHMW- Polyethelene5,000
HDPE-Polyethelene4,000
PTFE-Teflon3,500
PP-Polypropylene3,500
This chart is meant to show relative temperatures and strength of the plastics listed.
Actual values may be different in each application.