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Eastman Drystar 0827 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 0827 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 104
104
ASTM D785
Tensile Strength at Break 25.0 MPa
3630 psi
ASTM D638
Tensile Strength, Yield 50.0 MPa
7250 psi
ASTM D638
Elongation at Break 36 %
36 %
ASTM D638
Elongation at Yield 4.0 %
4.0 %
ASTM D638
Flexural Strength 73.0 MPa
10600 psi
ASTM D790
Flexural Modulus 2.20 GPa
319 ksi
ASTM D790
Izod Impact, Notched 0.390 J/cm

@Temperature -40.0 °C
0.731 ft-lb/in

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

@Temperature 23.0 °C
1.59 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
Puncture Energy 31.0 J
22.9 ft-lb
Puncture Resistance @Max Load, 23°C; ASTM D3763
47.0 J

@Temperature -40.0 °C
34.7 ft-lb

@Temperature -40.0 °F
Puncture Resistance at Max Load; ASTM D3763
Thermal Properties Metric English Comments
Deflection Temperature at 0.46 MPa (66 psi) 65.0 °C
149 °F
ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 60.0 °C
140 °F
ASTM D648
Optical Properties Metric English Comments
Haze 0.40 %
0.40 %
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 70.0 °C
158 °F
Dry Time 6 hour
6 hour
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