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DuPont™ Zytel ® WRF resins

Meet Low Wear and Friction Needs With the new family of Zytel¨ WRF capabilities, chemical resistance, of basic nylon properties Ð high- nylon resins, DuPont gives you an stiffness, strength, toughness and capabilities, chemical even greater range of low wear and other properties you like about resistance, stiffness, strength, friction solutions. Zytel¨ WRF delivers . toughness, etc. Ð along with differ- even lower wear and friction than ent levels and kinds of wear and standard nylons while retaining other Where to use them friction performance. valuable nylon attributes and capabili- Automotive components (especially Additional grades are under develop- ties. The new WRF family comple- in the drive train for electric motors), ment. Please contact us even if one of ments and extends the range of wear appliances, office machines (copiers, the resins listed does not meet your and friction solutions available with printers, etc.), power tools, various need. DuPontª Delrin¨ acetal resins, other industrial and consumer ¨ parts and other DuPont products. engineering . DuPontTM Zytel® WRF Resins Choose your solution ® What to make of Zytel WRF Zytel¨ WRF resins give you a range 70K20HSL Gears, moving parts, counter-surface of choices to meet varying applica- Heat stabilized PA66 resin modified components combining low wear and tion requirements. The choices listed with ® para-aramid fiber for friction with the high-temperature here include different combinations excellent wear resistance. WRF403 30% glass reinforced, heat stabilized Wear factor against steel,a PA66 resin containing Teflon® PTFE b Reduced Wear SI(English) units micropowder. It is designed for highly Zytel® WRF500 0.22 (11) reduced friction in applications requiring low wear and/or low friction Zytel® HTNWRF51G30 2.48 (123) against itself, steel, or other . Zytel® WRF403 4.89 (243) WRF500 Heat stabilized PA66 resin modified Zytel® 70K20HSL 5.14 (255) with Teflon® PTFE micropowder and Kevlar® para-aramid fiber. It is Dynamic friction coefficient designed for superior wear resis- a Low Friction against steel tance in applications requiring low wear and/or low friction against itself, ® Zytel WRF500 0.30 steel, or other plastics. Zytel® WRF403 0.40 HTNWRF51G30 Zytel® HTNWRF51G30 0.41 30% glass reinforced, heat stabilized, lubricated, high performance polya- Zytel® 70K20HSL 0.59 mide resin containing Teflon® PTFE micropowder. It is designed for excel- a: ASTM D-3702 Thrust Washer Test, Zytel® against steel. Conditions: velocity, 0.508 m/s (100 ft/min); lent lubricity in high PV applications. contact pressure, 827 kPa (120 psi). b: Units: SI, (mm3/N.m) x 10-6; English, (in3.min)/(ft.lb.h) x 10-10. Typical Propertiesa of Zytel® WRF Low Wear/Friction Nylon Resins

Property Test Method Units 70K20HSL WRF403 WRF500 HTNWRF51G30

Wear and Friction

Wear factor, against steel ASTM D-3702 b SI (English) c 5.14 (255) 4.89 (243) 0.22 (11) 2.48 (123) Dynamic friction coefficient, against steel ASTM D-3702 b - 0.59 0.40 0.30 0.41

Mechanical

Stress at break ISO 527-1/-2 MPa (kpsi) 110 (16.0) 185 (26.8) 90 (13) 190 (27.2) Strain at break ISO 527-1/-2 % 5.2 2.8 4.5 2.3 Tensile modulus ISO 527-1/-2 MPa (kpsi) 5300 (769) 10,300 (1500) - 10,300 (1500) Flexural modulus ISO 178 MPa (kpsi) - 9200 (1330) 3800 (550) 9300 (1350) Notched Izod impact ISO 180/1A kJ/m2 5 13 4 9.5 Unnotched Izod impact ISO 180/1U kJ/m2 -702560 Notched Charpy impact ISO 179/1eA kJ/m2 611-10

Other

Deflection temperature, @ 1.80 MPa (264 psi) ISO 75-1/-2 °C (°F) 222 (432) 250 (482) 190 (374) 260 (500) Melting temperature ISO 3146C °C (°F) 263 (505) 263 (505) 263 (505) 300 (572) ISO 1183 kg/m3 (g/cm3) 1190 (1.19) 1500 (1.50) 1240 (1.24) 1560 (1.56)

a: All properties measured on natural (uncolored), dry-as-molded (DAM) samples at 23°C unless otherwise indicated. b: Test conditions: Zytel® against steel; velocity, 0.508 m/s (100 ft/min); contact pressure, 827 kPa (120 psi). c: Wear factor units: SI, (mm3/N.m) x 10-6 ; English, (in3.min)/(ft.lb.h) x 10-10.

The data listed here fall within the normal range of properties, but they should not be used to establish specification limits nor used alone as the basis of design. The DuPont Company assumes no obligations or liability for any advice furnished or for any results obtained with respect to this information. All such advice is given and accepted at the buyer’s risk. The disclosure of information herein is not a license to operate under, or a recommendation to infringe, any patent of DuPont or others. DuPont warrants that the use or sale of any material that is described herein and is offered for sale by DuPont does not infringe any patent covering the material itself, but does not warrant against infringement by reason of the use thereof in combination with other materials or in the operation of any process. CAUTION: Do not use in medical applications involving permanent implantation in the human body. For other medical applications, see “DuPont Medical Caution Statement,” H-50102.

See for yourself To order a trial quantity or obtain additional information in the U.S.A., contact your DuPont representative, call 1-800-441-0575 or contact the nearest branch of an authorized distributor, General Polymers or PolyOne Distribution. For contact information in other countries, please visit our Web site.

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The DuPont Oval Logo, DuPontª, The miracles of scienceª Zytel¨, Kevlar¨ and Teflon¨ are trademarks or registered trademarks of E.I. du Pont de Nemours and Company. Copyright © 2001, E.I. du Pont de Nemours and Company. All rights reserved.

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