POM Square Rods

Polyoxymethylene (POM) square rods, also known as acetal square rods or Delrin square rods, are solid, four-sided bars POM is recognized for its excellent mechanical properties, low friction, and dimensional stability. POM square rods, with their unique square cross-section, offer specific advantages in various applications.

POM’s dimensional stability and mechanical properties make square rods suitable for use in various automation components, including slides, guides, and conveyor systems.

Some of the outstanding characteristics are as follows:

High Mechanical Strength
Low Friction Properties
Wear and Abrasion Resistance
Chemical Resilience
Dimensional Stability
Low Moisture Absorption
Thermal Insulation
Versatile Applications

Typical Application

Exploring the Versatility of POM Polyacetal Across Industries

Mechanical Properties

Performance and Test Conditiom	Test Method	Unit	Tyical Values
Notched impact strength of cantilever beam, 23°C	ASTM D256	J/m	10
Yield tensile strength, 23°C, 50mm/min	ASTM D638	Mpa	60
Elongation at break, 23°C, 50mm/min	ASTM D638	%	25
The bending strength. 23C, 2mm/min	ASTM 790	Mpa	70
Bending modulus, 23°C, 2mm/min	ASTM 790	Mpa	2500
Shore hardness D	ASTMD2240	–	85
The Density	ISO 1183	g/cm3	1.42

Thermal Properties

Performance and Test Conditiom	Test Method	Unit	Tyical Values
Thermal deformation temprature(HDT) (0.45Mpa)	ISO 75	°C	120
Melting point	–	°C	170
Long term operating temperature	–	°C	100
Short-term operating temperature	–	°C	120
Thermal conductivity	DIN 52612-1	W/(K-M)	0.33
Linear expansion coefficient	ASTM D696	10-5-1/K	13

Electrical Performance

Performance and Test Conditiom	Test Method	Unit	Tyical Values
Dielectric strength	ASTM D150	KV-mm	19
Dielectric loss coefficient	ASTM D150	–	0.007
The volume resistance	ASTM D257	Ω.cm	1015
The surface resistance	ASTM D257	Ω	1015
Dielectric constant	ASTM D149	–	3.7