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SK Chemicals SKYGREEN® PETG 2008 Specially Formulated PET Copolymer Resin

Category Polymer , Thermoplastic , Polyester, TP , Polyethylene Terephthalate (PET) , PETG Copolyester
Manufacturer SK Chemicals
Trade Name SKYGREEN®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF SK Chemicals SKYGREEN® PETG 2008 Specially Formulated PET Copolymer Resin.pdf
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Material Notes:
SKYGREEN PETG is an amorphous copolyester in which a certain amount of ethylene glycol is replaced with 1,4-cyclohexane dimethanol (CHDM), which prevent crystallization, leading to improved processability and clarity. Skygreen® PETG provides a material having outstanding toughness, clarity, color, chemical resistance, and resistance to stress whitening. It can readily be thermoformed for extrusion blow molded. It is superior to acrylic for toughness, and superior to polycarbonate for processability.Applications: Extrusion Sheet: architecture protective cover, display signs, industrial products. Extrusion Film: blister packaging, food packaging containers, electrical & electronic packaging, pharmaceutical & medical packaging. Injection Molding: toys, refrigerator parts, electric & electronic parts, smart cards, pen caps, medical devices and tools. Extrusion Blow Molding: bottles for cosmetics, soaps, shampoos, detergents, etc.Information provided by SK Chemicals.
Physical Properties Metric English Comments
Specific Gravity 1.27 g/cc
1.27 g/cc
ASTM D792
Water Absorption 0.13 %
0.13 %
24 hr immersion; ASTM D570
Linear Mold Shrinkage 0.0030 - 0.0060 cm/cm
0.0030 - 0.0060 in/in
ASTM D955
Mechanical Properties Metric English Comments
Hardness, Rockwell R 110
110
ASTM D785
Tensile Strength at Break 28.0 MPa
4060 psi
50 mm/min; ASTM D638
Tensile Strength, Yield 50.0 MPa
7250 psi
50 mm/min; ASTM D638
Elongation at Break 140 %
140 %
50mm/min; ASTM D638
Flexural Strength 73.0 MPa
10600 psi
1.27 mm/min; ASTM D790
Flexural Modulus 2.10 GPa
305 ksi
1.27 mm/min; ASTM D790
Izod Impact, Notched 1.00 J/cm
1.87 ft-lb/in
ASTM D256
Impact Test 33.0 J

@Thickness 3.20 mm
 24.3 ft-lb

@Thickness 0.126 in
 impact resistance energy, max. load in plaque, 220 m/min; ASTM D3763
Thermal Properties Metric English Comments
Deflection Temperature at 0.46 MPa (66 psi) 70.0 °C
158 °F
ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 64.0 °C
147 °F
ASTM D648
Vicat Softening Point 85.0 °C
185 °F
at 1 kg load; ASTM D1525
Glass Transition Temp, Tg 80.0 °C
176 °F
DSC
Flammability, UL94 HB
HB
min. 1.6 thickness
V-2
V-2
min. 3.2 thickness
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+15 ohm-cm
1.00e+15 ohm-cm
ASTM D257
Surface Resistance 1.00e+16 ohm
1.00e+16 ohm
ASTM D257
Dielectric Constant 2.4

@Frequency 1e+6 Hz
 2.4

@Frequency 1e+6 Hz
 ASTM D150
2.6

@Frequency 1000 Hz
 2.6

@Frequency 1000 Hz
 ASTM D150
Dielectric Strength 16.0 kV/mm
406 kV/in
short-time, 500v/sec; ASTM D149
Dissipation Factor 0.0050

@Frequency 1000 Hz
 0.0050

@Frequency 1000 Hz
 ASTM D150
0.023

@Frequency 1e+6 Hz
 0.023

@Frequency 1e+6 Hz
 ASTM D150
Processing Properties Metric English Comments
Processing Temperature 45.0 °C
113 °F
Roll 1 Temperature
54.0 °C
129 °F
Roll 2 Temperature
63.0 °C
145 °F
Roll 3 Temperature
210 °C
410 °F
Cylinder 4 Temperature
245 °C
473 °F
Cylinder 2 and Cylinder 3 Temperature
245 °C
473 °F
Screen, Me1t Pump, and Connection Temperature
Feed Temperature 240 °C
464 °F
Nozzle Temperature 245 °C
473 °F
Zone 1 180 °C
356 °F
Barrel Temp of Main Extruder
195 °C
383 °F
Extrusion Blow Molding
Zone 2 210 °C
410 °F
Extrusion Blow Molding
245 °C
473 °F
Barrel Temp of Main Extruder
Zone 3 210 °C
410 °F
Extrusion Blow Molding
265 °C
509 °F
Barrel Temp of Main Extruder
Zone 4 210 °C
410 °F
Extrusion Blow Molding
260 °C
500 °F
Barrel Temp of Main Extruder
Zone 5 240 °C
464 °F
Barrel Temp of Main Extruder
Adapter Temperature 200 °C
392 °F
Extrusion Blow Molding
245 °C
473 °F
Die Temperature 195 °C
383 °F
Extrusion Blow Molding (Die Tip)
247 °C
477 °F
Die Zone 1
249 °C
480 °F
Die Zone 2
Head Temperature 185 °C
365 °F
Extrusion Blow Molding
Mold Temperature 12.0 - 20.0 °C
53.6 - 68.0 °F
Extrusion Blow Molding
40.0 °C
104 °F
40.0 - 70.0 °C
104 - 158 °F
For Thermoforming (Forming time = 3-10 sec)
Drying Temperature 65.0 °C
149 °F
Dry Time 6 - 12 hour
6 - 12 hour
Injection Pressure 5.50 MPa
798 psi
1st Pressure
Hold Pressure 4.00 MPa
580 psi
8.30 MPa
1200 psi
Extrusion Melt Pressure
Back Pressure 0.500 MPa
72.5 psi
Cycle Time - Injection 2.0 sec
2.0 sec
15 sec
15 sec
2nd Pressure Time
Cycle Time - Cooling 15 sec
15 sec
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