Covestro Makrolon® KU1-1230 Polycarbonate

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Covestro Makrolon® KU1-1230 Polycarbonate (discontinued **)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Molded
Material Notes:	ISO 7391-PC,EFL,(,,)-09-9 Developmental product MVR (300 °C/1.2 kg) 8.5 cm³/10 min Flame retardant 16 mm Triple wall sheet/B1 classification (DIN 4102) Medium viscosity UV stabilized Extrusion As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.
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Physical Properties	Original Value	Comments

Density	1.20 g/cc	ISO 1183
Melt Density	1.02 g/cc @Temperature 300 °C
Water Absorption	0.30 %	Similar to ISO 62
Moisture Absorption at Equilibrium	0.12 %	Similar to ISO 62
Linear Mold Shrinkage, Flow	0.0070 cm/cm	ISO 294-4,2577
Linear Mold Shrinkage, Transverse	0.0070 cm/cm	ISO 294-4,2577
Melt Flow	8.7 g/10 min @Load 1.20 kg, Temperature 300 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	68.0 MPa	ISO 527-1/-2
Elongation at Break	>= 50 %	Nominal; ISO 527-1/-2
Elongation at Yield	6.2 %	ISO 527-1/-2
Tensile Modulus	2450 MPa	ISO 527-1/-2
Charpy Impact Unnotched	NB	ISO 179/1eU
	NB @Temperature -30.0 °C	ISO 179/1eU
Impact	5700	Puncture - maximum force (N); ISO 6603-2
	6400 @Temperature -30.0 °C	Puncture - maximum force (N); ISO 6603-2
Puncture Energy	65.0 J	ISO 6603-2
	70.0 J @Temperature -30.0 °C	ISO 6603-2

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+13 ohm-cm	IEC 60093
Surface Resistance	>= 1.00e+15 ohm	IEC 60093
Dielectric Constant	3.0 @Frequency 1e+6 Hz	IEC 60250
	3.1 @Frequency 100 Hz	IEC 60250
Dielectric Strength	32.0 kV/mm	IEC 60243-1
Comparative Tracking Index	225 V	IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	70.0 µm/m-°C	ISO 11359-1/-2
CTE, linear, Transverse to Flow	70.0 µm/m-°C	ISO 11359-1/-2
Specific Heat Capacity	1.70 J/g-°C	Melt
Thermal Conductivity	0.173 W/m-K	Melt
Deflection Temperature at 0.46 MPa (66 psi)	136 °C	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	123 °C	ISO 75-1/-2
Vicat Softening Point	142 °C	50°C/h 50N; ISO 306
Oxygen Index	27 %	ISO 4589-1/-2

Processing Properties	Original Value	Comments
Melt Temperature	280 - 320 °C
	300 °C	Injection Molding; ISO 294
Mold Temperature	80.0 °C	Injection Molding; ISO 10724
	80.0 - 120 °C
Ejection Temperature	130 °C
Injection Velocity	200 mm/sec	ISO 294

Descriptive Properties
Availability	Europe
	Near East/Africa
	South and Central America
Eff. thermal diffusivity (m²/s)	1E-07
Feature	Light stabilized or stable to light
	U.V. stabilized or stable to weather
Form	Pellets
Process	Sheet Extrusion

**
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PB09957 / 92797

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