Adiprene® LF 1950A

About
ADIPRENE LF 1950A is a TDI-terminated polyester prepolymer having very low free TDI content. This prepolymer also has low viscosity, which allows it to be processed at reduced temperature for better heat stability and longer pot life. It yields a high performance, 95 Shore A hardness elastomer when cured with 4,4′-methylene-bis-(o-chloroaniline), commonly called MBCA. Features of ADIPRENE LF 1950A include: Low Free TDI Content Low Viscosity Long Pot Life with Short Demold Time High Tear and Tensile Strength&&

Product Description
SupplierChemtura
GenericPUR-酯+TDI
Material StatusCommercial: Active
FeaturesLow Viscosity,Good Tensile Strength,Good tear strength,Good wear resistance
AvailabilitysNorth America,Latin America,Asia Pacific,Europe
Process Methodscasting

Technical Data
PHYSICALNominal valueUnitTest method
Density1.29g/cm³ASTM D792

filmNominal valueUnitTest method
Pant tear resistance78.8N/mmASTM D1938

elastic bodyNominal valueUnitTest method
tensile strength ASTM D412
100% strain14.5MPaASTM D412
200% strain18.6MPaASTM D412
300% strain28.3MPaASTM D412
tensile strength50.3MPaASTM D412
Tensile strain
fracture460%ASTM D412
tear strength 
130kN/mASTM D624
cracking32kN/mASTM D470
Compression deformation
70℃,22 hr33%ASTM D395B
Basho’s elasticity27%ASTM D2632

THERMALNominal valueUnitTest method
storage stability3.0 to 5.0min
stripping time15 to 25min

Uncured PropertiesNominal valueUnitTest method
Curing time
100℃16hr

MECHANICALNominal valueUnitTest method
Shore hardness
Shaw’s A95 ASTM D2240
compressive strength ASTM D695
5% strain3.31MPaASTM D695
10% strain5.31MPaASTM D695
15% strain7.31MPaASTM D695
20% strain10.0MPaASTM D695
25% strain13.4MPaASTM D695

Notes
1. Typical properties: these are not to be construed as specifications.
2. Die C
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