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Delrin® (Acetal Homopolymer) (POM)

Delrin® (Acetal Homopolymer) (POM) – a high-performance engineering plastic offering excellent strength, stiffness, low friction, and dimensional stability for precision parts.

Delrin® (Acetal Homopolymer) (POM)

Is an acetal homopolymer with an outstanding balance of properties that bridge the gap between metal and plastic. The key attributes of Delrin are low moisture absorption, high tensile strength, creep resistance, and durability. Because of its extreme chemical resistance to hydrocarbons, solvents and natural chemicals, Delrin is ideal for industrial applications.
Delrin Acetal’s balance of physical, tribological and environmental properties make it ideal for applications where there is concern for wear and mechanical stability . Parts exposed to a wet environment such as pump and valve components, are especially suitable. With the combination of physical and environmental properties this material is ideal for industrial wear and mechanical reliability.

Very low water absorption.
Great resistant to dilute acids, solvents and cleaning agents.
Very tough.
Great electrical insulation.
Easily weldable.

Density : 0.92 g/cm^3

Colour : Natural/Beige Grey/Black

Chemical Designation : PP (Polypropylene)

Chemical Composition	Percentage %
Carbon	0.40%
Manganese	1.00%
Silicon	0.40%
Chromium	1.20%
Molybdenum	1.00%

Properties (°C)	Result	Unit	Parameter	Norm used
Modulus of Elasticity	2000	MPa	1 mm/min	DIN EN ISO 527-2
Tensile Strength	33	MPa	50 mm/min	DIN EN ISO 527-2
Tensile Strength at Yield	33	MPa	50 mm/min	DIN EN ISO 527-2
Elongation at Yield	5	%	50 mm/min	DIN EN ISO 527-2
Elongation at Break	65	%	50 mm/min	DIN EN ISO 527-2
Flexural Strength	54	MPa	2 mm/min	DIN EN ISO 178
Modulus of Elasticity (flex test)	1800	MPa	2 mm/min, 10 N	DIN EN ISO 178
Compression Strength	15/26	MPa	1%/2%. 5 mm/min, 10 N	DIN EN ISO 604
Compression Modulus	1600	MPa	5 mm/min, 10 N	EN ISO 604
Impact Strength (Charpy)	140	Kj/m^2	Max. 7,5j	DIN EN ISO 179-1EU
Notched Impact Strength (Charpy)	–	Kj/m^2	Max. 7,5j	DIN EN ISO 179-1EU
Ball Indentation Hardness	100	MPa	–	ISO 2039-1

Properties (°C)	Result	Unit	Parameter	Norm used
Glass Transition Temperature	-10	°C	–	DIN 53765
Melting Temperature	165	°C	–	DIN 53765
Service Temperature	140	°C	Short Term	–
Service Temperature	100	°C	Long Term	–
Thermal Expansion	13	10^-5 / K^-1	23-60°C Long	DIN EN ISO 11359-1;2
Thermal Expansion	14	10^-5 / K^-1	23-100°C Long	DIN EN ISO 11359-1;2
Specific Heat	–	J/(g+K)	–	ISO 22007-4:2008
Thermal Conductivity	–	W/(K+m)	–	ISO 22007-4:2008

Properties (°C)	Result	Unit	Parameter	Norm used
Surface Resistance	–	Ω	–	DIN IEC 60093

Properties (°C)	Result	Unit	Parameter
Water Absorption	0,01/0,02	%	24h/96h (23°C)
Resistance to Hot Mater/Bases	(+)	–	–
Resistance to Weathering	–	–	–
Flammability (UL94)	HB	–	According to

Quality Assured Supply

POM is supplied in accordance with our ISO 9001 : 2008 registration.

Form of Supply

Supreme Steel are stockholders and suppliers of POM round bar and flat sections which can be sawn cut to your required sizes. Contact our experienced sales team who will assist you with your POM enquiry.

Applications

Pump and valve components Close tolerance precision parts Thin wall parts Electronic components Gears Bearings Bushings Rollers Fittings Electrical insulator parts

Delrin® (Acetal Homopolymer) (POM)

Delrin® (Acetal Homopolymer) (POM) – a high-performance engineering plastic offering excellent strength, stiffness, low friction, and dimensional stability for precision parts.