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Sustarin ® H Delrin ® AF DE588 20% PTFE-filled Acetal - Naval Grade

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Sheet widths and lengths are cut to nominal dimensions; Rod lengths are also cut to nominal dimensions. Nominal cuts can be undersized by up to .200 inches. Cut-to-size items are non-refundable. See our return policy for more details. Contact us if you need precision cut sizes.

3. Please Select Length *

Sheet widths and lengths are cut to nominal dimensions; Rod lengths are also cut to nominal dimensions. Nominal cuts can be undersized by up to .200 inches. Cut-to-size items are non-refundable. See our return policy for more details. Contact us if you need precision cut sizes.

General Info

SUSTARIN® H AF-DE588 is fully tested and certified to meet U.S. Navy specifications for use in seals, gaskets and valve seats.

Click for more information on the complete line of Delrin Acetal Plastic Products

Key Properties

  • Excellent Sealing Properties
  • Formulated for Naval Applications
  • DE588 meets NAVSEA 5959311 Rev. C
  • DE588 meets NAVSEA 803-4384678 Rev. B & C

Limitations

  • Wear Resistance in Dry Environments
  • Poor Resistance to Strong Acids and Alkalies
  • Larger Cross Sections are prone to Centerline Porosity

Applications

  • Seals for Naval Applications
  • Gaskets for Naval Applications
  • Valve Seats for Naval Applications

Resin Trade Names

  • Delrin® AF-DE588

Manufacturer Trade Names

  • Sustarin® H Delrin® AF DE588 Acetal

Boedeker Plastics, Inc. stocks & supplies plastic sheet, rod, tube, film and custom profiles and machine parts from these shapes that are produced from plastic resin. In many cases the manufacturer of the shape has their own product trade name. If your specification calls for a specific resin grade or manufacturer trade name, we can supply a shape made from that resin to meet your specification or suggest an equal. If you require a specific resin or brand it must be specified at the time of order.

Available Sizes

Sheet* Thickness .375” to 6.000” Width & Length 24.000” x 48.000” Thickness .500” to 2.000” Width & Length 48.000” x 96.000” Width & Length 48.000” x 120.000” Rod* Diameters .250” to 6.000” Length 10’ Diameters 7.000” to 12.000” Length 3’ Tube* Various Sizes Available OD & ID vary depending on formulation. (*) Minimums may apply for some formulations depending on grade & shape size required. Boedeker offers cut to size service on all in-stock items and same day shipping. If you don’t see the size your looking for contact us for alternative options.

Available Colors

  • Dark Brown

Safety Data Sheet

Download Safety Data Sheet

Typical Properties of Sustarin ® H Delrin ® AF DE588 20% PTFE-filled Acetal - Naval Grade

DETAIL
Description Value
Material Type Semi-Crystalline Thermoplastic
Chemical Name POM Polyoxymethylene Acetal Homopolymer
Trade Name Sustarin® H Delrin® AF DE588 Acetal
Additives 20% Teflon® Fibers
Color Dark Brown
Manufacturer Rochling
PHYSICAL
Property Test Unit of Measure Value
Density ASTM D792 g/cm³ 1.54
  ASTM D792 lb/in³ 0.056
Water Absorption, 24 hrs, Immersion ASTM D570 % by wt. 0.2
Water Absorption, Saturation, Immersion ASTM D570 % by wt. 0.8
MECHANICAL
Property Test Unit of Measure Value
Tensile Strength ASTM D638 psi 6,630
Tensile Modulus ASTM D638 psi 540,000
Tensile Elongation at Break ASTM D638 % 30
Flexural Strength ASTM D790 psi 12,500
Flexural Modulus ASTM D790 psi 405,000
Compressive Strength ASTM D695 psi 12,600
Hardness ASTM D785 NA Rockwell M50
THERMAL
Property Test Unit of Measure Value
Coefficient of Linear Thermal Expansion ASTM D696 x 10-5 in./in./°F 4.4
Heat Deflection Temp ASTM D648 °C at 264 psi 118
  ASTM D648 °F at 264 psi 244
Melting Point Temp ASTM D3418 °C 177
  ASTM D3418 °F 350
Max Continuous Operating Temp °C 85
  °F 185
Minimum Operating Temp °C -50
  °F -58
Thermal Conductivity ASTM C117 BTU-in/ft²-hr-°F 2
Flammability Rating UL94 NA HB
ELECTRICAL
Property Test Unit of Measure Value
Dielectric Strength ASTM D149 V/mil 400
Dielectric Constant at 1 MHz ASTM D150 NA 3.1
Dissipation Factor at 1 MHz ASTM D150 NA 0.009
Surface Resistivity ASTM D257 ohm/square 10^16
COMPLIANCE
Description Value
FDA No
USDA No
NSF No
3-A Dairy No
Canadian Food Inspection Agency No
USP Class VI No
OTHER
Description Value
ASTM Shape Spec ASTM POM 211 D6100 & D6778
MIL SPEC NAVSEA 5959311 Rev. C, 803-4384678 Rev. B & C, NAV SEA-4384678 Rev. A,B,C
UV Resistant No
Relative Cost $$$$$
Machinability 1

Relative cost based on a scale of one dollar sign ($) as the lowest to ten dollar signs ($$$$$$$$$$) as the highest. Machinability based on a scale of 1 to 10, with 1 being the easiest and 10 being the most difficult to machine. NOTE: All information contained on www.boedeker.com, downloadable documents and printed literature is intended for technical reference only and considered to be accurate for reference purposes only. Boedeker Plastics, Inc. makes no guarantee and offers no warranty for fitness in use and strongly recommends the user validate any plastic, machined part, or product in a specific application for fitness in use.

Sustarin® is a registered trademark of Röchling Engineering Plastics. Delrin® & Teflon® are registered trademarks of Dupont.

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