Tritan™ EX501

About
Tritan™ EX501 is an amorphous copolyester specifically developed for the Infant Care market. Its most outstanding features are consistent glass-like clarity even after multiple dishwasher cycles. Additionally, Tritan™ EX501 exhibits low taste and odor retention versus cPP, excellent drop impact resistance, and dishwasher durability. Tritan™ EX501 contains a mold release derived from vegetable based sources. Tritan™ EX501 meets infant care sterilization requirements via boiling water or microwave steam sterilization. This new-generation copolyester can also be molded into various applications without incorporating high levels of residual stress. Combined with Tritan™ copolyester’s outstanding chemical resistance and hydrolytic stability, these features give molded products enhanced durability in the dishwasher environment, which can expose products to high heat, humidity, and aggressive cleaning agents. Tritan™ EX501 can be converted into parts using injection molding, injection stretch blow molding (ISBM), and extrusion blow molding techniques. Tritan™ EX501 copolyester may be used in repeated-use food contact articles under United States Food and Drug Administration (FDA) regulations. Contact an Eastman representative for details on global food contact regulatory clearances. Eastman Tritan™ EX501 copolyester is included in Eastman Chemical Company’s Customer Notification Procedure which details our policy for customer notification when significant changes are made in Tritan™ EX501 sold into the infant care market. This procedure provides the infant care industry an added layer of confidence in the consistent quality and performance of Tritan.&&

Product Description
SupplierEastman
Material StatusCommercial: Active
FeaturesSolvent resistance,Steam sterilized,High impact resistance,Good Clarity,Amorphous,Low odor,Hydrolysis stability,Food contact compliance
AvailabilitysLatin America,Asia Pacific,Europe,North America,Africa & Middle East
Process MethodsInjection Stretch Blow Molding,Injection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.18g/cm³ASTM D792
Shrinkage rate
MD: Injection molding0.50 to 0.70%ASTM D955

IMPACTNominal valueUnitTest method
Izod Notched Impact strength
-40℃140J/mASTM D256
23℃1000J/mASTM D256
-40℃14kJ/m²ISO 180
23℃110kJ/m²ISO 180
Izod Unnotched Impact strength of cantilever beam
-40℃无断裂 
23℃无断裂 
Dart impact equipped with measuring instruments
-40℃,Energy at Max Load66.0J
23℃,Energy at Max Load57.0J
Resistance to drop impactNo Crazes/No Impact Failures Internal Method

THERMALNominal valueUnitTest method
Hot deformation temperature HDT
0.45 MPa, unannealed101
1.8 MPa, unannealed88.0

OPTICALNominal valueUnitTest method
Light Transmission
total91.0%ASTM D1003
Haze
< 1.0%ASTM D1003
< 6.0%Internal Method

Supplementary InformationNominal valueUnitTest method
Fill volume shrinkage
Boiling,1 hr1.9%
Boiling,2 hr2.3%
Dishwasher0.0%
No Bubbling Internal Method

MECHANICALNominal valueUnitTest method
Rockwell hardness
R-level109 ASTM D785
Tensile Modulus
23℃1520MPaASTM D638
23℃1540MPaISO 527-2
Tensile Strength
Yield yld, 23 ℃45.0MPaASTM D638
Yield yld, 23 ℃44.0MPaISO 527-2
Broken BRK, 23 ℃56.0MPaASTM D638
Broken BRK, 23 ℃55.0MPaISO 527-2
Tensile Strain
Yield yld, 23 ℃6.0%ASTM D638
Fracture Yld, 23 ℃180%ASTM D638
Broken BRK, 23 ℃150%ISO 527-2
Flexural Strength
Yield yld, 23 ℃72.0MPaASTM D790

Process Conditions
Injection MoldingNominal valueUnitTest method
Drying Temperature88°C
Drying Time4.0 to 6.0hr
Melt Temperature260 to 282°C
Mold Temperature38 to 66°C

Notes
1. Typical properties: these are not to be construed as specifications.
2. After 20 cycles Regular Steam Sterilization
3. After 8 hr boiling
4. ISBM Bottle
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