Plastics/

Delrin

Delrin is actually the trade mark name of a specific acetal polyoxymethylene, an extremely versatile and durable thermoplastic that serves as a direct replacement for metal products in a number of industrial, commercial and residential applications. Abbreviated POM, this plastic material is available in both homopolymer and copolymer products. Although the two differ slightly in chemical and mechanical properties, these engineering thermoplastics exhibit not only high strength, but also excellent dimensional stability and a low coefficient of friction.

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All Plastics and Fiberglass, Inc.
Mobile, AL
800-226-1134
Since they began in the year 1981, All Plastics and Fiberglass has been providing customers with the various materials and products they need, including delrin. They have a staff made up of committed engineers, estimators, design and fabrication technicians capable of handling any job. The company offers engineering services, computer aided design and drafting, field erection and repair work.
 
Brogan Manufacturing, Inc.
Elkhorn, WI
262-723-6909
Brogan Manufacturing is able to work with all types of plastic products and the machining of them is Brogan's only business. For this reason they put all the care and precision possible into their products. Here, no job is too big or too small and all inquiries will be answered within 24 hours. When it comes to delrin, they have the capabilities to make the part meet all of your requirements.
 
Diversified Plastics & Packaging, Inc.
Sumter, SC
877-346-9654
At Diversified Plastics and Packaging, they believe their continued growth can be attributed to their ability to rapidly respond to the ever changing marketplace and environment. For all sized orders and products of all sizes, shapes, materials and colors, contact Diversified Plastics and Packaging. They have what you need for your next delrin project. Call today!
 
Freelin-Wade Co.
McMinnville, OR
888-373-9233
Freelin-Wade tubing and hoses can be used for virtually any application. They are used in numerous industries including dental, medical, food and beverage, robotics and electronics. No minimum order quantity is required making it easy to build a coil, private label, multi-tube bundles or whatever you can imagine. For all delrin, visit our website or call today for more information!
 
International Plastics, Inc.
Greenville, SC
800-820-4722
When you choose International Plastics, you choose exceptional value. Here, you are able to gain an experienced partner that is dedicated to providing the best solutions for you business. For over 45 years they have been committed to providing operational excellence and a desire to exceed all of your product expectations. So for your next order of delrin, contact a company that cares.
 
Total Plastics, Inc.
Kalamazoo, MI
800-866-8844
Founded in 1978, Total Plastics began as a small warehouse in Kalamazoo, MI. Today, it has expanded with sixteen locations across the U.S. Offering a wide selection of materials, sizes and colors; they have the perfect delrin parts for your application. They even have specialty divisions including life sciences, marine and tape to ensure all specifications are satisfied.
 
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Industry Information

Delrin

Delrin is improved by the optional additions of thermal and oxidative stabilizers, lubricants and fillers, which enhance its natural qualities as well as making the thermoplastic resistant to moisture, chemical corrosion, solvents, fuels and creep. Such properties make polyoxymethylene, which is the chemical name of Delrin, popular in several industries including automotive, appliance, construction, hardware, electronics, consumer goods and food and chemical processing among others. Stock shapes are widely available and can be used as the final product or undergo secondary operations to become safe locks, gears, bindings, bearings, fan blades, nuts, screws, wheels, kettles and more. This particular plastic cannot, however, be used in highly acidic contexts as it quickly degrades in heavy acidic or alkaline applications. Other names for Delrin include polyacetal or polyformaldehyde, in reference to the compounds from which it is synthesized.

Homopolymers begin with the generation of anhydrous formaldehyde, which reacts with alcohol to create hemiformal. This substance is dehydrated before being polymerized by an ionic catalysis, which is stabilized as polyoxymethylene by a reaction with acetic anhydride. Copolymers utilize formaldehyde as well, though it is processed in a different way. Acid catalysis converts the formaldehyde to trioxane, which is distilled and dried to create Delrin copolymers. Both types of the plastic are commonly provided in a granulated form that is heated to its melting point. This molten plastic is then formed via injection molding or extrusion. It is important to consider the final product when selecting a mold as polyoxymethylene has a tendency to shrink as much as 2% during fabrication. In some instances rotational and blow molding are also used to produce the stock shapes, such as plastic rods, plastic films and plastic sheets, which are distributed by suppliers. While rods and sheets may be the final product, secondary operations such as turning, milling, drilling and precision machining are commonly used to create application specific parts. Because Delrin is a thermoplastic, stock shapes and finished parts can also be melted and remolded or extruded several times as needed.