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Radici Compounds AC90T

Acetal (POM) Copolymer

Supplied by Radici Plastics USA, Inc.

The technical datasheet with complete property values for Radici Compounds AC90T is available to members of the Prospector Plastics Database.
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Product Description
AC90T is an acetal copolymer formulation, impact modified to improve practical toughness and ductility. It exhibits a viscosity suitable for a wide range of injection molding applications and is lubricated for ease of mold release.

Acetal copolymer is a highly crystalline engineering thermoplastic based on trioxane, polymerized with a comonomer to provide exceptional thermal stability both in processing and for molded parts which may be exposed to high temperature environments. AC90T exhibits the characteristics of a true engineering material; predictability of performance in a wide range of environments and for long periods of time. Performance characteristics combine excellent strength, rigidity and toughness, a unique resilience, outstanding static and dynamic fatigue resistance, natural lubricity and resistance to a very wide range of solvents, oils, greases and chemicals, including strong alkalis. Extremely low moisture absorption results in excellent dimensional stability, and therefore an ability to hold precision tolerances in parts exposed to a wide range of humidity.

AC90T can be considered for applications where these fundamental benefits of acetal copolymer are required, combined with improved toughness and ductility.
General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Additive 
  • Impact Modifier
  • Lubricant
 
Features 
  • Alkali Resistant
  • Copolymer
  • Crystalline
  • Ductile
  • Fatigue Resistant
  • Good Chemical Resistance
  • Good Dimensional Stability
  • Good Impact Resistance
  • Good Mold Release
  • Good Thermal Stability
  • Good Toughness
  • Grease Resistant
  • High Rigidity
  • High Strength
  • Impact Modified
  • Low Moisture Absorption
  • Lubricated
  • Oil Resistant
  • Resilient
  • Solvent Resistant
Uses 
  • General Purpose
Appearance 
  • Colors Available
  • Natural Color
 
Forms 
  • Pellets
Processing Method 
  • Injection Molding
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
ASTM D792
Molding Shrinkage
    ASTM D955
Flow: 0.125 in
in/in
 
Across Flow
in/in
 
Water Absorption (24 hr)
%
ASTM D570
Mechanical
Nominal Value
Unit
Test Method
Tensile Strength 2 (Yield, 73°F, 0.125 in)
psi
ASTM D638
Tensile Elongation 2 (Break, 73°F, 0.125 in)
%
ASTM D638
Flexural Modulus (73°F)
psi
ASTM D790
Flexural Strength (73°F)
psi
ASTM D790
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact (73°F, 0.125 in)
ft·lb/in
ASTM D256
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load (264 psi, Unannealed)
°F
ASTM D648
Melting Temperature
°F
ASTM D789
Related Terminology
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Features
Features may also be described by the following terms: Good Thermal Stability, High Strength, High Rigidity, Good Toughness, Tough, Good Mold Release, Easy Release, Good Demolding, Good Chemical Resistance, Chemical Resistant, Good Dimensional Stability, Dimensionally Stable, Low Moisture Absorption, Low Water Absorption, Water Resistant, Moisture Resistant, Good Impact Resistance.
Injection
Nominal Value
Unit
 
Drying Temperature
°F
 
Drying Time
hr
 
Suggested Shot Size
%
 
Rear Temperature
°F
 
Middle Temperature
°F
 
Front Temperature
°F
 
Processing (Melt) Temp
°F
 
Mold Temperature
°F
 
Back Pressure
psi
 
Screw Speed
rpm
 
Cushion
in
 
Notes
1Typical properties: these are not to be construed as specifications.
2Type I
 
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.