Drystar™ 0831

About
Drystar™ 0831 Copolyester is a high flow product and contains a mold release. Other outstanding features of Drystar™ 0831 are easily maintained such as excellent appearance and clarity, good physical properties, chemical resistance, and easy processing. Drystar™ 0831 is for sale only in Asia as a high-flow formulation.&&

Product Description
SupplierEastman
Generic PCTG
Material StatusCommercial: Active
FeaturesExcellent Processability,Good Clarity,High liquidity,Solvent resistance
AvailabilitysAsia Pacific

Technical Data
PHYSICALNominal valueUnitTest method
Density1.27g/cm³ASTM D792
Shrinkage rate
MD0.20 to 0.50%ASTM D955

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch ASTM D256
-40℃46J/mASTM D256
23℃84J/mASTM D256
Notched impact strength of cantilever beam ASTM D256
-40℃无断裂 ASTM D256
23℃无断裂 ASTM D256
Dart impact equipped with measuring instruments ASTM D3763
-40℃,Energy at Peak Load44.0JASTM D3763
23℃,Energy at Peak Load35.0JASTM D3763

THERMALNominal valueUnitTest method
Hot deformation temperature ASTM D648
0.45 MPa, unannealed68.0ASTM D648
1.8 MPa, unannealed60.0ASTM D648

optical performanceNominal valueUnitTest method
Transmittance91.0%ASTM D1003
Haze0.40%ASTM D1003

MECHANICALNominal valueUnitTest method
Rockwell hardness
R-level107 ASTM D785
tensile strength ASTM D638
Yield, 23 ℃48.0MPaASTM D638
Fracture, 23 ℃24.0MPaASTM D638
Tensile strain ASTM D638
Yield, 23 ℃4.0%ASTM D638
Fracture, 23 ℃75%ASTM D638
Bending modulus
23℃1900MPaASTM D790
bending strength
23℃66.0MPaASTM D790

Process Conditions
injectionNominal valueUnitTest method
Drying temperature81°C
Drying time6.0hr
Processing (melt) temperature249 to 271°C
Mold temperature16 to 38°C

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