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Delrin® Sheets, Rods, & Tubes

Delrin, also known as Polyoxymethylene (POM), is a high-performance acetal resin with several desirable physical and mechanical properties. This highly-crystalline engineered thermoplastic is widely regarded for its durability, stiffness, and exceptional dimensional stability.

These characteristics make Delrin ideal for high-load and high-impact applications such as gears, conveyor belts, bearings, rollers, and safety restraints. Additional low moisture absorption and tribological properties lend themselves to the construction of items in wet or moist environments such as pumps, valves, and actuators. 

Delrin sheets, tubes, and rods can be cut and machined to required lengths and shapes to create a variety of parts and components. 

 

What Are The Benefits of Using Delrin?

Delrin offers a balance of the exceptional properties found in metals and plastics. Specifically, the material offers:

  • High strength and stiffness properties – Delrin boasts an impressive compressive strength of 5200 psi (by comparison, concrete has a compressive strength between 2500 psi and 4000 psi). This property, combined with its high stiffness, makes Delrin ideal for high-impact and heavy load carrying applications.
  • Superior dimensional stability – Capable of maintaining its original shape and dimensions when subjected to changes in temperature and humidity, Delrin is especially useful in applications that are sensitive to dimensional changes, such as gears and bearings.
  • Low moisture absorption – Delrin’s resistance to moisture allows the material to maintain its physical and mechanical properties even when operating in environments with high levels of moisture and humidity. Pumps, valves, and plumbing fixtures are just some examples of components that can benefit from Delrin construction.
  • Excellent impact and creep resistance – Heavily loaded applications require materials that are exceptionally durable under extreme stress. Delrin’s impact and creep resistance contribute to its ability to resist denting and time-dependent deformation under heavy loads.
  • Chemical resistance to fuels and solvents – Delrin’s resistance to fuels and solvents allow it to operate in petroleum-based applications without property degradation or deterioration, making it particularly suitable for piping, tank, and vessel fittings in the petrochemical industry.
  • Excellent machinability – Despite its high strength and stiffness, Delrin can be easily cut into any desired shape using a variety of tools.
  • Exceptional wear and abrasion properties – The material is also widely regarded for its resistance to wear and abrasion, which is especially crucial in gears where components are frequently in contact with one other. Delrin fittings can also be used in piping systems used to convey abrasive material. This material also possesses a relatively low coefficient of friction, thus minimizing friction between moving parts. 

 

Applications of Delrin

The composition and properties of Delrin make it the material of choice for many industrial applications. Because it is available in a range of special grades, the material can be used to accommodate diverse and unique customer requirements.

Delrin is currently used in numerous sectors including the automotive, electrical, electronics, food production, and petrochemical industries. Delrin rods, tubes, and sheets are available for a wide range of uses including:

  • High load mechanical applications
    • Gears
    • Safety restraints
    • Conveyor belts
    • Bushings
    • Rollers
    • Assorted fittings
  • Applications exposed to the external environment
    • Pumps and valves
    • Actuator parts
    • Piping Fittings
  • Automotive applications
    • Fasteners
    • Fuel system components
    • Interior trimmings
    • Speaker grilles
    • Window/door hardware
  • Electrical insulator parts and components

 

Delrin® from Emco

Emco Industrial Plastics, Inc. is a leading provider of high quality machined and fabricated plastic components for a variety of industries. We work with a wide range of materials, including Delrin, to produce products that can be used in any application in almost any environment.

To learn more about how Delrin can be used in your specific project, contact us or request a quote today!

Types of Delrin

Acetal Delrin Plastic

Acetal Delrin Plastic
Delrin 150

Delrin® 150 is a high viscosity acetal homopolymer for extrusion processes. It has excellent thermal stability, low die deposit, and enhanced crystallization for low porosity.

Delrin 150
Delrin 570

Delrin® 570, this grade has 20% glass fiber filler. It has much greater mechanical properties over unfilled acetals.

Delrin 570
Delrin 525GR

Delrin® 525GR NC000 is a 25% glass reinforced acetal homopolymer for injection molding. It has very high strength, stiffness, and high deflection temperature, and excellent creep resistance.

Delrin 525GR
Delrin AF 100

DELRIN®100AF blend stock shapes are a 13% PTFE fiber filled homopolymer acetal. They offer an improved coefficient of friction, better lubricity, and improved wear characteristics over unfilled and PTFE powder filled acetals.

Delrin AF 100
Delrin 13% AF Blend

Delrin® AF Blend is a unique thermoplastic material for use in moving parts in which low friction and long wear life are important. It is a combination of PTFE fibers uniformly dispersed in Delrin® acetal resin.

Delrin 13% AF Blend
Unital LF13

UNITAL® Acetal (polyoxy-methylene) offers design engineers a superior blend of strength, stiffness, lubricity, and dimensional stability. These properties, along with inherent machining ease, have made UNITAL one of the most widely used engineering grade thermoplastics.

Unital LF13
Delrin AF 500

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.

Delrin AF 500
Delrin AF DE588

DELRIN® AF DE588 is a 20% PTFE filled homopolymer acetal that is fully tested and certified for use by the United States Navy.

Delrin AF DE588
Dielux

Dielux PTFE filled acetal copolymer is an outstanding bearing and wear material for use in both wet and dry environments. Dielux is frequently used in place of traditional metal and plastic bearing materials when low friction, excellent wear properties, and good dimensional stability are required.

Dielux
Food Grade Delrin

TECAFORM® FG Blue is a new blue colored acetal designed specifically for the food industry. TECAFORM® is resistant to hot water, and typical cleaning chemicals, and it possesses good bearing and wear properties.

Food Grade Delrin
Medical Grade Delrin: Tecaform MT

TECAFORM® MT is specially formulated medical grade acetal. The material is resistant to multiple cleaning and disinfection agents, and to a number of solvents. It can be steam sterilized by medical industry’s usual methods, and will maintain good strength, stiffness, and dimensional stability.

Medical Grade Delrin: Tecaform MT
Tecaform SD

Static dissipative acetal contains no carbon fibers or powders and is generally accepted for clean room use. With its surface resistivity of 109 to 1011 ohm/square and its excellent bearing and wear characteristics, TECAFORM™ SD is ideal for moving components which may experience frictional or fluid-flow static charges.

Tecaform SD
Dielux PTFE Filled Copolymer Delrin Sheet Rods

Delrin sheet and rods come in many forms, filled and unfilled. Dielux is a PTFE acetal (filled copolymer) known for the outstanding durability and wear features.

Dielux PTFE Filled Copolymer Delrin Sheet Rods
At a Glance

Generic Name
Polyoxymethylene, Polyacetal

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