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Sustarin ® C Acetal Copolymer

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Unit of Measure

In order to provide an accurate quote for your part, you'll need to provide some information through our custom quote request form.

3. Please Select Dimensions *

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® C (Acetal) is a general-purpose porosity free copolymer acetal. SUSTARIN® C is easily machined with excellent dimensional stability for close tolerance parts. Key properties include a low coefficient of friction and excellent wear properties, especially in wet or moist environments.

Key Properties

  • Excellent Dimensional Stability
  • Continuous Use Temperature Of 180°F
  • Porosity Free
  • Consistent Properties in Wet or Moist Environments
  • Very Low Moisture Absorption
  • Excellent Electrical Properties
  • Easy to Machine to Close Tolerances
  • Natural and Black Are FDA & USDA Compliant

Limitations

  • Wear Resistance in Dry Environments
  • Lower Temperature Stability (to 180 F)
  • Poor Resistance to Strong Acids and Alkalies
  • Formaldehyde Outgassing
  • Lower Stiffness than Homopolymer Acetal

Applications

  • Bushings and Bearings
  • Rollers and Gears
  • Valves and Manifolds
  • Scraper Blades
  • Wear Strips and Pads
  • Jigs and Fixtures
  • Electrical Components

Resin Trade Names

Manufacturer Trade Names

  • Sustarin® C 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

  • Natural
  • Black
  • Custom Colors

Safety Data Sheet

Download Safety Data Sheet

Typical Properties of Sustarin ® C Acetal Copolymer

DETAIL
Description Value
Material Type Semi-Crystalline Thermoplastic
Chemical Name POM Polyoxymethylene Acetal Copolymer
Trade Name Sustarin® C Acetal
Additives Unfilled
Color Natural
Manufacturer Rochling
PHYSICAL
Property Test Unit of Measure Value
Density ASTM D792 g/cm³ 1.41
  ASTM D792 lb/in³ 0.051
Water Absorption, 24 hrs, Immersion ASTM D570 % by wt. 0.2
Water Absorption, Saturation, Immersion ASTM D570 % by wt. 0.2
MECHANICAL
Property Test Unit of Measure Value
Tensile Strength ASTM D638 psi 9,500
Tensile Modulus ASTM D638 psi 400,000
Tensile Elongation at Break ASTM D638 % 40
Flexural Strength ASTM D790 psi 12,000
Flexural Modulus ASTM D790 psi 400,000
Compressive Strength ASTM D695 psi 15,000
Hardness ASTM D785 Rockwell Rockwell M88 / R120
IZOD Impact-Notched ASTM D256 ft-lb/in 1.2
Dynamic Coefficient of Friction NA 0.21
THERMAL
Property Test Unit of Measure Value
Coefficient of Linear Thermal Expansion ASTM D696 x 10-5 in./in./°F 5.5
Heat Deflection Temp ASTM D648 °C at 264 psi 107
  ASTM D648 °F at 264 psi 225
Melting Point Temp ASTM D3418 °C 166
  ASTM D3418 °F 330
Max Continuous Operating Temp °C 82
  °F 180
Minimum Operating Temp °C -50
  °F -58
Thermal Conductivity ASTM C117 BTU-in/ft²-hr-°F 1.6
Flammability Rating UL94 NA HB
ELECTRICAL
Property Test Unit of Measure Value
Dielectric Strength ASTM D149 V/mil 450
Dielectric Constant at 1 MHz ASTM D150 NA 3.8
Dissipation Factor at 1 MHz ASTM D150 NA 0.004
Surface Resistivity ASTM D257 ohm/square 10^16
COMPLIANCE
Description Value
FDA Yes
USDA Yes
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
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.

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