Product Information

DuPont™ Delrin®
acetal resin

Delrin 500AF ®

Delrin ® 500AF is a medium viscosity acetal homopolymer resin containing 20% Teflon ® PTFE fibers. It is designed
for applications requiring low wear and/or low coefficient of friction against steel, itself, and other plastics.
Property Test Method Units Value

Identification
Resin Identification ISO 1043 POM-SF20
Part Marking Code ISO 11469 >POM-SF20<
Mechanical
Stress at Break ISO 527 MPa (kpsi) 50 (7.3)
Strain at Break ISO 527 % 10
Tensile Modulus ISO 527 MPa (kpsi) 2800 (405)
Flexural Modulus ISO 178 MPa (kpsi) 2500 (360)
Notched Charpy Impact Strength ISO 179/1eA kJ/m2
-30°C (-22°F) 3
23°C (73°F) 3
2
Unnotched Charpy Impact Strength ISO 179/1eU kJ/m
-30°C (-22°F) 35
23°C (73°F) 40
Contact DuPont for Material Safety Data Sheet, general guides and/or additional information about ventilation, handling, purging, drying, etc.
ISO Mechanical properties measured at 4.0mm, ISO Electrical properties measured at 2.0mm, and all ASTM properties measured at 3.2mm.
Test temperatures are 23°C unless otherwise stated.

The DuPont Oval Logo, DuPont™, The miracles of science™ and Delrin® are trademarks or registered trademarks of DuPont Company. Copyright© 2006.
060809/060810
The information provided in this data sheet corresponds to our knowledge on the subject at the date of its publication. This information may be subject to revision as new
knowledge and experience becomes available. The data provided fall within the normal range of product properties and relate only to the specific material designated;
these data may not be valid for such material used in combination with any other materials, additives or pigments or in any process, unless expressly indicated otherwise.
The data provided should not be used to establish specification limits or used alone as the basis of design; they are not intended to substitute for any testing you may need to
conduct to determine for yourself the suitability of a specific material for your particular purposes. Since DuPont cannot anticipate all variations in actual end-use
conditions DuPont makes no warranties and assumes no liability in connection with any use of this information. Nothing in this publication is to be considered as a
license to operate under or a recommendation to infringe any patent rights. DuPont advises you to seek independent counsel for a freedom to practice opinion on the intended
application or end-use of our products. Caution: Do not use this product in medical applications involving implantation in the human body.
For other medical applications see "DuPont Medical Caution Statement", H-50102.

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 Product Information

Delrin 500AF ®

Property Test Method Units Value

Thermal
Deflection Temperature ISO 75-1/-2 °C (°F)
0.45MPa 160 (320)
1.80MPa 92 (195)
Melting Temperature ISO 11357-1/-3 °C (°F)
10°C/min 178 (352)
CLTE, Parallel ISO 11359-1/-2 E-4/C (E-4/F)
-40 - 23°C (-40 - 73°F) 0.9 (0.50)
23 - 55°C (73 - 130°F) 1.1 (0.61)
55 - 100°C (130 - 212°F) 1.4 (0.78)
CLTE, Normal ISO 11359-1/-2 E-4/C (E-4/F)
-40 - 23°C (-40 - 73°F) 0.9 (0.50)
23 - 55°C (73 - 130°F) 1.0 (0.56)
55 - 100°C (130 - 212°F) 1.3 (0.72)
Electrical
Surface Resistivity IEC 60093 ohm >1E15
Relative Permittivity IEC 60250
1E6 Hz 3.1
Dissipation Factor IEC 60250 E-4
1E6 Hz 90
CTI IEC 60112 V 600
Flammability
Flammability Classification IEC 60695-11-10
1.5mm HB
3.0mm HB
Oxygen Index ISO 4589-1/-2 % 23
Contact DuPont for Material Safety Data Sheet, general guides and/or additional information about ventilation, handling, purging, drying, etc.
ISO Mechanical properties measured at 4.0mm, ISO Electrical properties measured at 2.0mm, and all ASTM properties measured at 3.2mm.
Test temperatures are 23°C unless otherwise stated.

The DuPont Oval Logo, DuPont™, The miracles of science™ and Delrin® are trademarks or registered trademarks of DuPont Company. Copyright© 2006.
060809/060810
The information provided in this data sheet corresponds to our knowledge on the subject at the date of its publication. This information may be subject to revision as new
knowledge and experience becomes available. The data provided fall within the normal range of product properties and relate only to the specific material designated;
these data may not be valid for such material used in combination with any other materials, additives or pigments or in any process, unless expressly indicated otherwise.
The data provided should not be used to establish specification limits or used alone as the basis of design; they are not intended to substitute for any testing you may need to
conduct to determine for yourself the suitability of a specific material for your particular purposes. Since DuPont cannot anticipate all variations in actual end-use
conditions DuPont makes no warranties and assumes no liability in connection with any use of this information. Nothing in this publication is to be considered as a
license to operate under or a recommendation to infringe any patent rights. DuPont advises you to seek independent counsel for a freedom to practice opinion on the intended
application or end-use of our products. Caution: Do not use this product in medical applications involving implantation in the human body.
For other medical applications see "DuPont Medical Caution Statement", H-50102.

plastics.dupont.com

2/3
 Product Information

Delrin 500AF ®

Property Test Method Units Value

Temperature Index
RTI, Electrical UL 746B °C
1.5mm 105
3.0mm 105
RTI, Impact UL 746B °C
1.5mm 85
3.0mm 85
RTI, Strength UL 746B °C
1.5mm 90
3.0mm 90
Other
Density ISO 1183 kg/m3 (g/cm3) 1530 (1.53)
Water Absorption ISO 62, Similar to %
Equilibrium 50%RH 0.2
Immersion 24h, 2.0mm 0.35
Saturation, immersed 1.0
Molding Shrinkage ISO 294-4 %
Normal, 2.0mm 1.4
Parallel, 2.0mm 2.0
Processing
Melt Temperature Range °C (°F) 210-220 (410-430)
Melt Temperature Optimum °C (°F) 215 (420)
Mold Temperature Range °C (°F) 80-100 (175-210)
Mold Temperature Optimum °C (°F) 90 (195)
Drying Time, Dehumidified Dryer h 2-4
Drying Temperature °C (°F) 80 (175)
Processing Moisture Content % <0.2
Hold Pressure Range MPa (kpsi) 80-100 (12-15)
Contact DuPont for Material Safety Data Sheet, general guides and/or additional information about ventilation, handling, purging, drying, etc.
ISO Mechanical properties measured at 4.0mm, ISO Electrical properties measured at 2.0mm, and all ASTM properties measured at 3.2mm.
Test temperatures are 23°C unless otherwise stated.

The DuPont Oval Logo, DuPont™, The miracles of science™ and Delrin® are trademarks or registered trademarks of DuPont Company. Copyright© 2006.
060809/060810
The information provided in this data sheet corresponds to our knowledge on the subject at the date of its publication. This information may be subject to revision as new
knowledge and experience becomes available. The data provided fall within the normal range of product properties and relate only to the specific material designated;
these data may not be valid for such material used in combination with any other materials, additives or pigments or in any process, unless expressly indicated otherwise.
The data provided should not be used to establish specification limits or used alone as the basis of design; they are not intended to substitute for any testing you may need to
conduct to determine for yourself the suitability of a specific material for your particular purposes. Since DuPont cannot anticipate all variations in actual end-use
conditions DuPont makes no warranties and assumes no liability in connection with any use of this information. Nothing in this publication is to be considered as a
license to operate under or a recommendation to infringe any patent rights. DuPont advises you to seek independent counsel for a freedom to practice opinion on the intended
application or end-use of our products. Caution: Do not use this product in medical applications involving implantation in the human body.
For other medical applications see "DuPont Medical Caution Statement", H-50102.

plastics.dupont.com

3/3