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ASTATAL™ LO21A

Acetal (POM) Homopolymer

Supplied by Marplex Australia Pty. Ltd.

The technical datasheet with complete property values for ASTATAL™ LO21A is available to members of the Prospector Plastics Database.
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Product Description
ASTATAL™ L021A is one of the lubricated grades in the ASTATAL™ range. This grade is designed to exhibit low friction and high wear resistance. Typical applications are in sliding mechanical components such as gears, bearings, mountings and pinch rollers used in Inkjet printing machines, VCR mechanisms, rocker type switches and washing machine planetary gears.
General  
Material Status 
  • Commercial: Active
Availability 
  • Asia Pacific
  • North America
  • South America
Additive 
  • Lubricant
Features 
  • Good Wear Resistance
  • Low Friction
  • Lubricated
Uses 
  • Bearings
  • Gears
  • Printer Parts
  • Rollers
  • Switches
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 - Flow (0.118 in)
in/in
 ASTM D955
Water Absorption (24 hr)
%
 ASTM D570
Mechanical
Nominal Value
Unit
Test Method
Tensile Strength 2 (0.126 in)
psi
 ASTM D638
Tensile Elongation 2 (Break, 0.126 in)
%
 ASTM D638
Flexural Modulus 3 (0.252 in)
psi
 ASTM D790
Flexural Strength 3 (0.252 in)
psi
 ASTM D790
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact (0.126 in)
ft·lb/in
 ASTM D256
Tensile Impact Strength (0.0630 in)
ft·lb/in²
 ASTM D1822
Hardness
Nominal Value
Unit
Test Method
Rockwell Hardness (M-Scale)
 
 ASTM D785
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load (264 psi, Unannealed, 0.252 in)
°F
 ASTM D648
Melting Temperature
°F
 DSC
CLTE - Flow
in/in/°F
 ASTM D696
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL (0.0315 in)
 
 UL 94
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: ASTATAL™ LO21A, ASTATAL LO21A, ASTATAL™ , ASTATAL, ASTATALLO21A, LO 21 A, LO21A, LO21, 21A, Acetal Homopolymer, Acetal Homopolymer, Acetal (POM) Homopolymer, Acetal POM Homopolymer, Acetal, pom, Marplex, AcetalPOMHomopolymer, 21LO
Features
Features may also be described by the following terms: Low Friction, Good Wear Resistance, Wear Resistant.
Uses
Uses may also be described by the following terms: Rollers, Roller.
Injection
Nominal Value
Unit
 
Drying Temperature
°F
  
Drying Time
hr
  
Rear Temperature
°F
  
Middle Temperature
°F
  
Front Temperature
°F
  
Processing (Melt) Temp
°F
  
Mold Temperature
°F
  
Injection Pressure
psi
  
Injection Rate
 
  
Back Pressure
psi
  
Screw Speed
rpm
  
Clamp Tonnage
tons/in²
  
Notes
1Typical properties: these are not to be construed as specifications.
20.79 in/min
30.11 in/min
 
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.