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Eastman Drystar 0325 Copolyester

Category Polymer , Thermoplastic , Polyester, TP
Manufacturer Eastman Chemical
Trade Name Drystar
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Eastman Drystar 0325 Copolyester.pdf
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Material Notes:
This product-line is designed to meet the needs of converters seeking value-added solutions to their drying requirements of copolyesters. Eastman’s copolyesters are highly valued for their excellent balance of properties such as superior aesthetics, impact strength, and chemical resistance. These properties can be optimally realized when the resins are properly dehydrated in accordance to recommended drying conditions and equipment.Recognizing this value, Eastman conceived DRYSTAR copolyesters to allow converters with limited access to desiccant dryers to achieve these optimizations. In addition, some converters with desiccant dryers may still find DRYSTAR copolyesters value-adding to attain production flexibility and cost saving by removing the drying process prior to injection molding, profile extruding, or extrusion blow molding copolyesters. The initial launch comprises of the commercialization of four grades of DRYSTAR copolyesters and Eastman has on-going program to extend this strategic product-line in the future.*DRYSTAR is only available in the Asia Pacific Region.Applications/UsesInjection molding
Physical Properties Metric English Comments
Specific Gravity 1.27 g/cc
1.27 g/cc
ASTM D792
Linear Mold Shrinkage 0.0020 - 0.0050 cm/cm

@Thickness 3.20 mm
0.0020 - 0.0050 in/in

@Thickness 0.126 in
ASTM D955
Mechanical Properties Metric English Comments
Hardness, Rockwell R 108
108
ASTM D785
Tensile Strength at Break 29.0 MPa
4210 psi
ISO 527
30.0 MPa
4350 psi
ASTM D638
Tensile Strength, Yield 48.0 MPa
6960 psi
ISO 527
50.0 MPa
7250 psi
ASTM D638
Elongation at Break 180 %
180 %
ASTM D638
200 %
200 %
ISO 527
Elongation at Yield 4.0 %
4.0 %
ISO 527
4.4 %
4.4 %
ASTM D638
Tensile Modulus 2.00 GPa
290 ksi
ISO 527
2.03 GPa
294 ksi
ASTM D638
Flexural Strength 67.0 MPa
9720 psi
ISO 178
68.0 MPa
9860 psi
ASTM D790
Flexural Modulus 2.06 GPa
299 ksi
ASTM D790
2.10 GPa
305 ksi
ISO 178
Izod Impact, Notched 0.400 J/cm

@Temperature -40.0 °C
0.749 ft-lb/in

@Temperature -40.0 °F
ASTM D256
1.05 J/cm

@Temperature 23.0 °C
1.97 ft-lb/in

@Temperature 73.4 °F
ASTM D256
Izod Impact, Unnotched NB
NB
ASTM D4812
NB

@Temperature -40.0 °C
NB

@Temperature -40.0 °F
ASTM D4812
Izod Impact, Notched (ISO) 4.40 kJ/m²

@Temperature -40.0 °C
2.09 ft-lb/in²

@Temperature -40.0 °F
ISO 180
9.40 kJ/m²

@Temperature 23.0 °C
4.47 ft-lb/in²

@Temperature 73.4 °F
ISO 180
Thermal Properties Metric English Comments
Deflection Temperature at 0.46 MPa (66 psi) 70.0 °C
158 °F
ISO 75
70.0 °C
158 °F
ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 62.0 °C
144 °F
ISO 75
62.0 °C
144 °F
ASTM D648
Optical Properties Metric English Comments
Haze 0.20 %
0.20 %
ASTM D1003
Transmission, Visible 90 %
90 %
Total Transmittance; ASTM D1003
Processing Properties Metric English Comments
Melt Temperature 249 - 271 °C
480 - 520 °F
Mold Temperature 16.0 - 38.0 °C
60.8 - 100 °F
Drying Temperature 71.0 °C
160 °F
Dry Time 6 hour
6 hour
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