Colored resins may show slightly different properties compared with natural resins, especially for crystallinity and shrinkage. Acetal copolymer offers consistent properties throughout the shape being free of centerline porosity. Suitable for maintenancefree moving and sliding parts. Delrin af ptfefilled this material is manufactured from delrin homopolymer resin which has been uniformly filled with a dispersion of ptfe fibers. Delrin is a thermoplastic engineering polymer manufactured by the poly. It is chemically resistant to hydrocarbons, solvents and neutral chemicals. Delrin also gives slightly less chemical resistance than copolymer acetal.
The table below illustrates how the properties of delrin can translate to the functional performance of parts. C d 638 101 nmm 2 69 nmm 2 48 nmm 2 36 nmm 2 26 nmm 2 elongation at break at 55. These bearings are also essentially free of slipstick behavior because the static and dynamic. Compared with masterbatch coloring, fully com pounded resin colors give the best. As with many other synthetic polymers, it is produced by different chemical firms with slightly different formulas and sold. Delrin is a crys talline plastic which offers an excellent balance of properties that bridge the gap between metals and plastics.
Mckeen, in fatigue and tribological properties of plastics and elastomers third edition, 2016 5. Static dissipative acetal sheet is a product designed for use where electrical discharge in operation is a problem. Polyoxymethylene pom, also known as acetal, polyacetal, and polyformaldehyde, is an engineering thermoplastic used in precision parts requiring high stiffness, low friction, and excellent dimensional stability. These highly crystalline resins are strong, rigid and have a low coefficient of friction against metals, acetals and other plastics. New process fibre extrudes delrin l in the following thicknesses and widths and can be made available in various colored plastic sheets, and continuous rolls and coils to your specifications. Delrin 150 unfilled belongs to the acetal family of materials. American plastics stocks delrin in sheet and rod forms. C d 638 0,38% 75% 230% delrin af ptfefilled this material is manufactured from delrin homopolymer resin which has been uniformly filled with a dispersion of ptfe fibers. Leading companies across the globe specify delrin acetal homopolymer from dupont for highload mechanical applications such as gears, safety restraints, door systems, conveyor belts, healthcare delivery devices, and other demanding products and parts. Excellent wear properties in both wet and dry environments.
It has desirable toughness properties, performing well at extreme temperatures and under fatigue endurance. It is commonly used for sensitive electronic components. Properties of delrin 150 polyoxymethylene homoverification polymer properties astm delrin. These highly crystalline resins are strong, rigid and have a low coefficient of friction against metals, acetals and other plast.
Hytrel is superresilient, providing excellent flex fatigue resistance and springlike properties, and can be used over a wide range of temperatures while still retaining its flexibility and mechanical properties. Delrin 100 af acetal extruded teflon filled acetal property units test method typical average values mechanical specific gravity, 73 f. Hytrel, a plasticizer free thermoplastic polyester elastomer tpcet is an innovative solution. It is one of the strongest plastics and is a good goto material when you want the best properties. Resistance to creep and fatigue endurance improved over. Delrin af is a combination of 10% to 25% oriented ptfe fluorocarbon fibers which are uniformly dispersed in delrin acetal resin.
It retains 90% of the mechanical strength of unfilled acetal homopolymer, while offering very low friction and almost no slipstick behavior. For more information about working with delrin, call our toll free number and talk to one of our engineering consultants. Delrin 570 20% glass filled, higher mechanical properties, better dimensional stability, lower creep. Stress free mouldings may be obtained by annealing delrin. Acetaldelrin rod cuttosize and in stock today at eplastics. Delrin 525gr is a 25% glassreinforced acetal homopolymer for injection molding. This unique balance of properties makes delrin suitable. Dupont delrin 100p nc010 acetal resin product information common features of delrin acetal resins include mechanical and physical properties such as high mechanical strength and rigidity, excellent fatigue and impact resistance, as well as resistance to moisture, gasoline, lubricants, solvents, and many other neutral chemicals. Delrin 527uv replaces delrin 507 improved uv resistance and thermal stability. Delrin design information space materials database. Typical properties of acetals professional plastics. Typical properties of acetals astm or ul test property copolymer homopolymer physical d792 specific gravity 1. Delrin af blend teflon fibre filled delrin selflubricating, high wear, low friction color brown. Delrin acetal homopolymer offers slightly higher mechanical properties than acetal copolymer, but may contain a low density center also known as center line porosity especially in large crosssections.
Mckeen, in the effect of uv light and weather on plastics and elastomers third edition, 20. Acetaldelrin rod acetal resins polyoxymethylene or pom are engineering thermoplastics based on formaldehyde polymerization technology. Polyacetal, also known as acetal or polyoxymethylene pom, is a formaldehydebased, semicrystalline engineering thermoplastic containing the functional group of a carbon bonded to two or groups. Delrin acetal homopolymer offers slightly higher mechanical properties than acetal copolymer, but may contain a low density. As with many other synthetic polymers, it is produced by different chemical firms with slightly different formulas and sold variously by such names as delrin, ultraform, celcon.
General information value unit test standard resin identification pom iso 1043 part marking code pom iso 11469. Delrin 100p is a high viscosity acetal homopolymer for use in easytofill molds. Polyoxymethylene pom acetal delrin sheets acetal resins polyoxymethylene or pom are engineering thermoplastics based on formaldehyde polymerization technology. The material offers very high stiffness, low warpage, and low creep for superior part performance under stress. Acetal physical properties metric english comments specific gravity 1. This thermoplastic combination produces a product that possesses the strength, toughness, dimensional stability and fabrication economy approaching that of delrin with the added properties of teflon, the worlds most slippery solid material. A low coefficient of friction cof alongside excellent wear properties, especially in wet or moist environments, makes delrin one of the most widely used engineering thermoplastics on the market today. Acetal sheet static dissipative buy online at curbell. Delrin is a tough, machinable thermoplastic with a high modulus of elasticity, high strength, good rigidity, dimensional stability, and resistances to moisture, chemicals and solvents. Dupont delrin fg500p nc010 acetal resin product information common features of delrin acetal resins include mechanical and physical properties such as high mechanical strength and rigidity, excellent fatigue and impact resistance, as well as resistance to moisture, gasoline, lubricants, solvents, and many other neutral chemicals.
Because acetal absorbs far less moisture than type 6 and type 66 nylons, it is widely used for many mechanical and industrial applications requiring closer tolerances and greater dimensional stability. A number of standard colors are available at a minimum order quantity of 25 kg 55. Delrin is highly crystalline, strong and, rigid and has good moisture, temperature and solvent resistance. Delrin 500p is a general purpose medium viscosity acetal homopolymer for injection molding. Delrin possesses high tensile strength, creep resistance and toughness. Delrin delrin acetal homopolymer delrin is a crystalline plastic which offers an excellent balance of properties that bridge the gap between metals and plastics. Delrin af is a unique thermoplastic material for use in moving parts in which low friction and long wear life are. C d 638 0,38% 75% 230% delrin 150 is a high viscosity acetal homopolymer for extrusion processes. Polyoxymethylene pom, in the usa also commonly known under duponts brand name delrin, is an engineering plastic, a polymer with the chemical formula oc h 2 n. Eight inch 8 paper core is standard on full and trimmed rolls and on slit coils. Key properties of delrin acetal homopolymer delrin is a highly adaptable thermoplastic material that bridges the gap between plastics and metals for a wide range of technical applications, and offers unique properties. Fully compounded custom colors are available for most of the delrin products at a minimum order quan tity of kg 2,200 lb.
Mar 03, 2016 delrin, acetal, and its many trade names is a material properly known as polyoxymethylene or pom. It has improved processing thermal stability, a good combination of mechanical properties, and low voc emissions. Delrin af is a unique thermoplastic material for use in moving parts in which low friction and long wear life are important. Delrin, acetal, and its many trade names is a material properly known as polyoxymethylene or pom. Properties of delrin 150 polyoxymethylene homoverification polymer properties astm delrin density d 792 1. Delrin general properties acetal is the common name for a family of thermoplastics with the chemical name polyoxy. It has desirable toughness properties, performing well at extreme temperatures and under. Dupont delrin vs acetal copolymer white paper polyone. Acetal sheet static dissipative buy online at curbell plastics.
General introduction to delrin acetal resins delrin acetal resins have a combination of physi cal properties not available with either metals or most other plastics. Acetal sheet static dissipative shop for static dissipative acetal sheets. Low stress levels and high strength assure flatness and. Delrin p and the delrin eleven series have better colorability and allow for the use of a wider range of pigments. Astm d5702 mechanical properties hardness, rockwell m 88 88 astm d785 hardness, rockwell r 120 120 astm d785. Acetals are thermoplastics with the chemical name polyoxymethylene pom. Delrin 100 p same characteristics and applications as delrin 100, plus best molding stability for deposit free molding in demanding processing conditions, e. Dupont delrin 311dp nc010 acetal resin product information common features of delrin acetal resins include mechanical and physical properties such as high mechanical strength and rigidity, excellent fatigue and impact resistance, as well as resistance to moisture, gasoline, lubricants, solvents, and many other neutral chemicals. Delrin 100km injection delrin 100km is a 20% kevlar fibre filled, high viscosity, applications which require high wear moulding lubricated acetal resin for injection moulding. It has very high strength, stiffness, and high deflection temperature, excellent creep resistance, and good notched impact properties.
This page has links to all data sheets in matweb for the tradename delrin. All standard and custom colors of delrin acetal resin are free of heavy metals. Acetal copolymer may exhibit center line porosity, but porosityfree material is. Delrin acetal resin typically is used in demanding applications in the automotive, domestic appliances, sports, industrial engineering, electronics, and consumer goods industries. Delrin flat washers or delrin spacers can be created in materials from. In some cases, such effects can be minimized by appropriate pigment selection. Typical properties of acetals astm or ul test property acetal copolymer delrin homopolymer delrin af ptfefilled physical d792 density lbin.
It is chemically resistant to hydrocarbons, solvents and. Other names of pom are polyformaldehyde, polymethylene glycol, polyoxymethylene glycol. Certain grades are fda, usda, nsf, canada ag and 3. Same characteristics and applications as delrin 500, plus best processing stability for depositfree moulding in demanding processing conditions e. Acetal delrin delrin af characteristics no centerline porosity acetron gp easy to machine natural grade is fda, nsf, and usda compliant low moisture absorption high strength and stiffness good wear and abrasion properties available in multiple colors description acetal is a copolymer material providing high strength and stiffness coupled with dimensional stability and ease. We have several search tools, listed above, that give you more efficient methods to reach the information that you need. It is often marketed and used as a metal substitute, delrin is a lightweight, lowfriction, and wearresistant thermoplastic with good physical and processing properties and capable of operating in temperatures in excess of 90. Comparing abs to acetaldelrin sheets and rod choosing a plastic material, fda and nsf approved materials, material comparison, mentor nuggets, performance.
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