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Covestro Makrolon® ET IR320 Polycarbonate

Category Polymer , Thermoplastic , Polycarbonate (PC) , Polycarbonate, Extruded
Manufacturer Covestro
Trade Name Makrolon®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Covestro Makrolon® ET IR320 Polycarbonate.pdf
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Material Notes:
Main characteristics:• High toughness• Good heat resistance• Glass-like transparency, optical quality• High dimensional accuracy and stabilityGrade characteristics:• PC/IR absorber concentrate• Extrusion; high viscosity• Special grade for heat absorbingAs of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.
Physical Properties Metric English Comments
Density 1.20 g/cc
0.0434 lb/in³
ISO 1183-1
Melt Flow 13 g/10 min

@Load 1.20 kg,
Temperature 300 °C
13 g/10 min

@Load 2.65 lb,
Temperature 572 °F
ISO 1133
Thermal Properties Metric English Comments
Deflection Temperature at 0.46 MPa (66 psi) 139 °C
282 °F
ISO 75-1,-2
Deflection Temperature at 1.8 MPa (264 psi) 124 °C
255 °F
ISO 75-1,-2
Vicat Softening Point 147 °C

@Load 5.10 kg
297 °F

@Load 11.2 lb
50°C/h; ISO 306
Processing Properties Metric English Comments
Melt Temperature 290 °C
554 °F
Injection molding; ISO 294
Mold Temperature 80.0 °C
176 °F
Injection molding; ISO 294
Injection Velocity 200 mm/sec
7.87 in/sec
ISO 294
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