eFunda Polymers: Properties of Acetal {homopolymer, UV stabilized}
engineering fundamentals Polymer Material Properties
Directory | Career | News | Standards | Industrial | SpecSearch®
Generic (ABS, ...)
Trade Name
Materials Home
General Information
Polymer Home
Glossary
Material Science
Overview
Characteristics
Comparisons
Selection Criteria
Applications
Flow Characteristics
Datasheet Primer
Major Categories
Polymer Index
History Timeline
List by Process
Thermoplastic/Thermoset
Specific Polymer
Category / Grades
Datasheet
Supplier Info
Resources
Bibliography
Login

Home Membership Magazines Forum Search Member Calculators

Materials

Design

Processes

Units

Formulas

Math
 
Acetal
 
List of Suppliers
State: homopolymer
Additives: UV stabilized
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Elastic Modulus (MPa)   2760 - 3105  tensile   D638
Flexural Modulus (MPa)   2898 - 2967   23 ºC   D790
  897 - 932   93 ºC   D790
  621  121 ºC   D790
Tensile Strength (MPa)   69 at break   D638
  69 at yield   D638
Flexural Strength (MPa)
at yield or break
  97 - 99     D790
Elongation at break (%)   40 - 75     D638
Hardness   94  Rockwell M   D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted
  0.8 - 1.2     D256A

 Thermal Properties Conditions
Pressure State ASTM
Deflection Temperature (ºC)  168 - 169   0.46 MPa   D648
 125 - 129   1.82 MPa   D648

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  1.42   D792
Water Absorption (% weight increase)  0.25  after 24 hrs D570
 0.9  saturated D570
Dielectric Strength (V/mil);
1/8" thick specimen unless noted
  500  90 mil thick D149

 Processing Properties Conditions
Type ASTM
Melt Flow (gm/10 min)  1 - 6   D1238
Melting Temperature (ºC)  175  Tm, crystalline  
Processing Temperature (ºC)  204 - 227  injection molding  

Suppliers
DuPont Co., Polymers Wilmington, DE  800-438-7225
Home  Membership  About Us  Privacy  Disclaimer  Contact  Advertise

Copyright © 2018 eFunda, Inc.