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Amilus™ S731

Acetal (POM) Copolymer

Supplied by Toray Resin Company

The technical datasheet with complete property values for Amilus™ S731 is available to members of the Prospector Plastics Database.
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General  
Material Status 
  • Commercial: Discontinued
Availability 
  • Asia Pacific
  • Europe
  • North America
Features 
  • Excellent Elastic Recovery
  • Fatigue Resistant
  • Good Chemical Resistance
  • Good Creep Resistance
  • Good Dimensional Stability
  • Good Electrical Properties
  • Good Stability
  • High Flow
  • Low to No Odor
  • Low to No Outgassing
  • Low to No Water Absorption
Forms 
  • Pellets
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
ASTM D792
Melt Mass-Flow Rate (MFR) (190°C/2.16 kg)
g/10 min
ASTM D1238
Molding Shrinkage
    ASTM D955
Flow: 0.118 in
in/in
 
Across Flow: 0.118 in
in/in
 
Water Absorption (73°F, 24 hr)
%
ASTM D570
Mechanical
Nominal Value
Unit
Test Method
Tensile Strength
psi
ASTM D638
Tensile Elongation (Break)
%
ASTM D638
Flexural Modulus
psi
ASTM D790
Flexural Strength
psi
ASTM D790
Shear Strength
psi
ASTM D732
Coefficient of Friction
    ASTM D1894
vs. Itself - Dynamic
 
 
vs. Metal - Dynamic
 
 
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact
ft·lb/in
ASTM D256
Unnotched Izod Impact
ft·lb/in
ASTM D256
Tensile Impact Strength
ft·lb/in²
ASTM D1822
Hardness
Nominal Value
Unit
Test Method
Rockwell Hardness
    ASTM D785
M-Scale
 
 
R-Scale
 
 
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load
    ASTM D648
66 psi, Unannealed
°F
 
264 psi, Unannealed
°F
 
Melting Temperature
°F
DSC
CLTE - Flow
in/in/°F
ASTM D696
Electrical
Nominal Value
Unit
Test Method
Volume Resistivity
ohm·cm
ASTM D257
Dielectric Strength
V/mil
ASTM D149
Dielectric Constant
    ASTM D150
50 Hz
 
 
1 MHz
 
 
Dissipation Factor
    ASTM D150
50 Hz
 
 
1 MHz
 
 
Arc Resistance
sec
ASTM D495
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL
 
UL 94
UL
Nominal Value
Unit
Test Method
Comparative Tracking Index (CTI)
V
UL 746
Additional Information
The value listed as Comparative Track Index, UL 746, was tested in accordance with IEC test methods.
The values listed as Mold Shrinkage, ASTM D955, were tested in accordance with Toray test methods.
Flammability, UL-94: HB Equivalent
Comparative Track Index, IEC: >600 V
Arc Resistance, ASTM D495: >200 sec
Mold Shrinkage, Toray test method, Flow, 80 mm x 80 mm x 3 mm: 1.8%
Mold Shrinkage, Toray test method, Transverse, 80 mm x 80 mm x 3 mm: 1.9%
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Amilus™ S731, Amilus S731, Amilus™ , Amilus, AmilusS731, S 731, S731, Acetal Copolymer, Acetal Copolymer, Acetal (POM) Copolymer, Acetal POM Copolymer, Acetal, pom, Toray, AcetalPOMCopolymer, 731S
Features
Features may also be described by the following terms: High Flow, High Melt, High MFI, Good Stability, Low Odor, Low Outgassing, Good Creep Resistance, Creep Resistant, Excellent Elastic Recovery, High Elastic Recovery, Good Electrical Properties, Good Dimensional Stability, Dimensionally Stable, Low Water Absorption, Low Moisture Absorption, Water Resistant, Moisure Resistant, Good Chemical Resistance, Chemical Resistant.
Notes
1Typical properties: these are not to be construed as specifications.
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.