Adiprene® LW-520(MDA CURED)
Polyurethane (Polyether, Aliphatic)
Chemtura Web
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General 
Material Status 
  • Commercial: Active
Availability 
  • North America
Features 
  • Good Abrasion Resistance
  • Good Tear Strength
  • Good Toughness
  • Hydrolytically Stable
  • Low to No Outgassing
  • Room Temperature Vulcanizing
Uses 
  • Machine/Mechanical Parts
Forms 
  • Liquid
Processing Method 
  • Casting
  • Coating
  • Compression Molding
  • Liquid Injection Molding (LIM)
 
Physical
Nominal Value
Unit
Test Method
Specific Gravity
1.06
 
ASTM D792
Molding Shrinkage - Flow
0.015 to 0.025
in/in
ASTM D955
Hardness
Nominal Value
Unit
Test Method
Durometer Hardness (Shore A)
90
 
ASTM D2240
Elastomers
Nominal Value
Unit
Test Method
Tensile Stress  ASTM D412
100% Strain
1130
psi
 
300% Strain
3280
psi
 
Tensile Strength (Yield)
4700
psi
ASTM D412
Tensile Elongation (Break)
350
%
ASTM D412
Tear Strength (Split)
55
lbf/in
ASTM D470
Compression Set (158°F)
65
%
ASTM D395
Clash-Berg Modulus (75°F)
10.4
psi
ASTM D1043
Thermal
Nominal Value
Unit
Test Method
Brittleness Temperature
-76.0
°F
ASTM D746
Electrical
Nominal Value
Unit
Test Method
Volume Resistivity
5.1E+13
ohm·cm
ASTM D257
Dielectric Strength
850
V/mil
ASTM D149
Dielectric Constant  ASTM D150
100 Hz
6.00
 
 
100 kHz
5.30
 
 
Dissipation Factor  ASTM D150
100 Hz
0.025
 
 
100 kHz
0.042
 
 
Thermoset
Nominal Value
Unit
 
Thermoset Components   
Hardener
Mix Ratio by Weight: 11
 
 
Resin
Mix Ratio by Weight: 100
 
 
Pot Life (212°F)
4.0 to 6.0
min
 
Demold Time (212°F)
60 to 960
min
 
IDES - The Plastics Web®
Copyright © 2011 IDES - The Plastics Web®.
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.
Revision History
Added to Prospector: July, 1999
Last Updated: 5/9/2006
Adiprene® LW-520(MDA CURED)
Polyurethane (Polyether, Aliphatic)
Chemtura Web
Added to Prospector: July, 1999
Last Updated: 5/9/2006