Covestro Makrolon® 3108 Polycarbonate, Extrusion Grade

Category	Polymer , Thermoplastic , Polycarbonate (PC) , Polycarbonate, Unreinforced, Flame Retardant
Manufacturer	Covestro
Trade Name	Makrolon®
Port	Ningbo port,China
Trade Terms	EXW, FOB, CFR, CIF
Payment Terms	L/C, T/T, PayPal
Download PDF	Covestro Makrolon® 3108 Polycarbonate, Extrusion Grade.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Injection molding and extrusion grade with high viscosity, BgVV- and FDA grade for food contact applications.Information provided by Bayer.As 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
Water Absorption	0.35 %	0.35 %	Saturation in water
Moisture Absorption at Equilibrium	0.15 %	0.15 %	Equilibrium at 50% RH
Water Absorption at Saturation	0.35 %	0.35 %
Melt Flow	6.0 g/10 min <br>@Load 1.20 kg,<br> Temperature 300 °C	6.0 g/10 min <br>@Load 2.65 lb,<br> Temperature 572 °F

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	63.0 MPa	9140 psi
Elongation at Break	>= 50 %	>= 50 %	Nominal
Elongation at Yield	6.0 %	6.0 %
Tensile Modulus	2.40 GPa	348 ksi
Charpy Impact Unnotched	NB	NB
Tensile Creep Modulus, 1 hour	2200 MPa	319000 psi
Tensile Creep Modulus, 1000 hours	1900 MPa	276000 psi

Thermal Properties	Metric	English
CTE, linear, Parallel to Flow	70.0 µm/m-°C <br>@Temperature 20.0 °C	38.9 µin/in-°F <br>@Temperature 68.0 °F
CTE, linear, Transverse to Flow	70.0 µm/m-°C <br>@Temperature 20.0 °C	38.9 µin/in-°F <br>@Temperature 68.0 °F
Deflection Temperature at 0.46 MPa (66 psi)	142 °C	288 °F
Deflection Temperature at 1.8 MPa (264 psi)	132 °C	270 °F
Vicat Softening Point	148 °C	298 °F
Glass Transition Temp, Tg	148 °C	298 °F
Flammability, UL94	V-2 <br>@Thickness 1.60 mm	V-2 <br>@Thickness 0.0630 in
Oxygen Index	26 %	26 %

Optical Properties	Metric	English	Comments
Refractive Index	1.586	1.586	DIN 5026-1
Transmission, Visible	88 % <br>@Thickness 1.00 mm	88 % <br>@Thickness 0.0394 in	ISO 489-A

Electrical Properties	Metric	English
Electrical Resistivity	>= 1.00e+15 ohm-cm	>= 1.00e+15 ohm-cm
Surface Resistance	1.00e+15 ohm	1.00e+15 ohm
Dielectric Constant	2.9 <br>@Frequency 1e+6 Hz	2.9 <br>@Frequency 1e+6 Hz
	3.0 <br>@Frequency 100 Hz	3.0 <br>@Frequency 100 Hz
Dielectric Strength	30.0 kV/mm	762 kV/in
Dissipation Factor	0.0010 <br>@Frequency 100 Hz	0.0010 <br>@Frequency 100 Hz
	0.010 <br>@Frequency 1e+6 Hz	0.010 <br>@Frequency 1e+6 Hz
Comparative Tracking Index	275 V	275 V

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