POM-HRodNatural
Delrin 550/511P
120 in Rod
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About This Product
Delrin 550/511P (POM-H) Acetal Homopolymer rod in Natural is supplied in a 0.25" diameter x 120" long size for precision machining and tight-tolerance parts. This POM-H grade is valued for excellent dimensional stability, low friction, and reliable wear performance, making it a strong choice for bushings, rollers, and other moving components.
Specifications
Resin
Delrin 550/511P
Shape
Rod
Length
120 inPrice
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In Stock
21010 availableAvailable at 11 locations
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Quick Info
ResinDelrin 550/511P
Typical Properties — Delrin 550/511P
Pom H UnfilledGeneral
PropertyTest MethodUnitValue
DensityISO 1183g/cm³ / lb/in³1.49 / 0.053
Water absorption (24h / 96h (23°C))ISO%0.05 / 0.1
Operating Environment
PropertyTest MethodUnitValue
Flammability (UL 94) (corresponding to)IEC—HB
Glass transition temp.ISO°C / °F-60 / -76
Melting temperatureISO°C / °F179 / 350
Heat deflection temp. (HDT, Method A)ISO-R°C / °F141 / 285
Service temperature (short term)—°C / °F150 / 300
Service temperature (long term)—°C / °F110 / 230
Specific heat capacityISOJ/g·K / Btu/(lb·°F)1.3 / 0.31
Thermal conductivityISOW/m·K / Btu·in/ft²·h·°F0.46 / 3.1
Mechanical
PropertyTest MethodUnitValue
Tensile strength (50mm/min)ISOMPa / psi53 / 7,600
Tensile modulus (1mm/min)ISOMPa / psi3000 / 435,000
Elongation at yield (50mm/min)ISO%8
Elongation at break (50mm/min)ISO%8
Flexural strength (2mm/min, 10 N)ISOMPa / psi85 / 12,000
Flexural modulus (2mm/min, 10 N)ISOMPa / psi3000 / 435,000
Impact strength (Charpy) (max. 7,5J)ISOkJ/m²n.b.
Shore hardness (D)ISO—81
Electrical
PropertyTest MethodUnitValue
Surface resistivity—Ω10¹⁴
Typical properties are provided for reference only. Values may vary based on processing conditions, form factor, and lot. Contact Ready Plastics for certified test data.