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Rulon Bearings

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DuPont Mobility and Materials Delrin® 127UVE RD402 POM  (discontinued **)
Categories: Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM)

Material Notes: UV Stabilized High Viscosity Acetal Homopolymer with Very Low Emissions

Information provided by DuPont; The Delrin product line was sold by DuPont in 2023 but this specific grade was discontinued prior to the sale

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 1.42 g/ccISO 1183
Melt Density 1.42 g/cc
@Temperature >=178 °C
Melt Flow 1.5 g/10 min
@Load 2.16 kg,
Temperature 190 °C
from MVR and melt density; ISO 1133
 2.5 g/10 min
@Load 2.16 kg,
Temperature 190 °C
ISO 1133
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell M 86.7ISO 2039-2
Hardness, Rockwell R 118ISO 2039-2
Tensile Strength, Yield 71.5 MPaISO 527-1/-2
Elongation at Break 50 %ISO 527-1/-2
Elongation at Yield 28 %ISO 527-1/-2
Tensile Modulus 2900 MPaISO 527-1/-2
Flexural Yield Strength 79.6 MPa
@Strain 3.5 %
ISO 178
Flexural Modulus 2800 MPaISO 178
Poissons Ratio 0.37ISO 527-1/-2
Charpy Impact Unnotched NB
@Temperature 23.0 °C
ISO 179/1eU
Charpy Impact, Notched 14.0 kJ/m²
@Temperature 23.0 °C
ISO 179/1eA
 
Thermal PropertiesOriginal ValueComments
Melting Point 178 °C10°C/min; ISO 11357-1/-3
Deflection Temperature at 0.46 MPa (66 psi) 157 °CISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi) 94.0 °CISO 75-1/-2
Flame Spread <= 80.0 mm/min
@Thickness 1.00 mm
ISO 3795 (FMVSS 302)
 
Processing PropertiesOriginal ValueComments
Melt Temperature 200 °CExtrusion Optimum
 195 - 205 °CExtrusion
 200 - 210 °CInjection
 205 °CInjection Optimum
Mold Temperature 80.0 - 100 °CInjection
 90.0 °CInjection Optimum
Drying Temperature 75.0 °CExtrusion
 80.0 °CInjection
 85.0 °CExtrusion
Dry Time 2.00 - 4.00 hourDehumidified Dryer; Extrusion
 2.00 - 4.00 hourDehumidified Dryer; Injection
Moisture Content 0.20 %Extrusion
 0.20 %Injection
Hold Pressure 90.0 - 110 MPaInjection
Annealing Temperature 160 °CInjection
 
Descriptive Properties
AdditivesRelease agent
Annealing time30 min/mmInjection - Optional
Delivery formPellets
Drying RecommendedyesInjection
Emissions<2 mg/kgVDA 275
FMVSS ClassBISO 3795 (FMVSS 302)
Hold pressure time (s/mm)8Injection
Part Marking Code>POM<ISO 11469
ProcessingInjection Molding
 Other Extrusion
 Profile Extrusion
 Sheet Extrusion
Regional AvailabilityAsia Pacific
 Europe
 Global
 Near East/Africa
 North America
 South and Central America
Resin IdentificationPOMISO 1043
Special characteristicsLight stabilized or stable to light
 U.V. stabilized or stable to weather

**
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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