Adiprene® LW 520 Datasheet

Polyurethane (Polyether, Aliphatic)

Supplied by Chemtura Corporation

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Product Description
ADIPRENE LW 520 is a polyether-based liquid casting urethane polymer, prepared with an aliphatic diisocyanate, that yields tough, high quality elastomers in the 90 durometer A hardness range when cured with methylene dianiline. It is readily processable by conventional hand and machine mixing techniques.
General  
Material Status 
  • Commercial: Active
Availability 
  • Asia Pacific
  • Europe
  • Latin America
  • North America
 
Features 
  • Aliphatic
  • Good Toughness
  • Hydrolytically Stable
  • Low Temperature Flexibility
 
Forms 
  • Liquid
Processing Method 
  • Casting
Physical
Nominal Value
Unit
Test Method
Density / Specific Gravity
 
ASTM D792
Molding Shrinkage - Flow
in/in
ASTM D955
Elastomers
Nominal Value
Unit
Test Method
Tensile Stress
    ASTM D412
100% Strain
psi
 
300% Strain
psi
 
Tensile Strength
psi
ASTM D412
Tensile Elongation (Break)
%
ASTM D412
Tear Strength (Split)
lbf/in
ASTM D470
Compression Set (158°F, 22 hr)
%
ASTM D395B
Bayshore Resilience
%
ASTM D2632
Clash-Berg Modulus
    ASTM D1043
-70°F
psi
 
-40°F
psi
 
0°F
psi
 
75°F
psi
 
Hardness
Nominal Value
Unit
Test Method
Durometer Hardness (Shore A)
 
ASTM D2240
Thermal
Nominal Value
Unit
Test Method
Brittleness Temperature
°F
ASTM D746
Thermoset
Nominal Value
Unit
Test Method
Thermoset Components
     
Hardener
 
 
Resin
 
 
Pot Life
min
 
Additional Information
Nominal Value
Unit
Test Method
Abrasion Index - NBS
 
 
Features
Features may also be described by the following terms: Good Toughness, Tough, Low Temperature Flexibility.
Available Documents
Technical Datasheet (English)
Uncured Properties
Nominal Value
Unit
Test Method
Curing Time (212°F)
hr
 
Notes
1Typical properties: these are not to be construed as specifications.
 
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