Covestro Makroblend® DP UT3905 Polycarbonate + PBT, Impact Grade

Category	Polymer , Thermoplastic , Polycarbonate (PC) , Polycarbonate/Polybutylene Terephthalate (PBT) Blend, Unreinforced , Polyester, TP , Polybutylene Terephthalate (PBT)
Manufacturer	Covestro
Trade Name	Makroblend®
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Covestro Makroblend® DP UT3905 Polycarbonate + PBT, Impact Grade.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Developmental product(PC+PBT)-blendhigh flowimpact modifiedeasy releaseinjection molding grade Makroblend DP UT3905* offers superior flowability, good impact strength and excellent chemical resistance.PreprocessingMax. Water content

Physical Properties	Metric	English	Comments
Density	1.20 g/cc	0.0434 lb/in³	ISO 1183
	1.02 g/cc @Temperature 260 °C	0.0368 lb/in³ @Temperature 500 °F	Melt
Water Absorption	0.50 %	0.50 %	Similar to ISO 62
Moisture Absorption at Equilibrium	0.20 %	0.20 %	Similar to ISO 62
Melt Flow	45 g/10 min @Load 5.00 kg, Temperature 260 °C	45 g/10 min @Load 11.0 lb, Temperature 500 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	60.0 MPa	8700 psi	ISO 527-1/-2
Elongation at Break	>= 50 %	>= 50 %	Nominal; ISO 527-1/-2
Elongation at Yield	5.0 %	5.0 %	ISO 527-1/-2
Tensile Modulus	2.20 GPa	319 ksi	ISO 527-1/-2
Charpy Impact Unnotched	NB	NB	ISO 179/1eU
	NB @Temperature -30.0 °C	NB @Temperature -22.0 °F	ISO 179/1eU
Charpy Impact, Notched	5.50 J/cm²	26.2 ft-lb/in²	ISO 179/1eA
	2.50 J/cm² @Temperature -30.0 °C	11.9 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eA
Impact	3600	3600	Puncture - maximum force (N); ISO 6603-2
	4800 @Temperature -30.0 °C	4800 @Temperature -22.0 °F	Puncture - maximum force (N); ISO 6603-2
Puncture Energy	45.0 J	33.2 ft-lb	ISO 6603-2
	55.0 J @Temperature -30.0 °C	40.6 ft-lb @Temperature -22.0 °F	ISO 6603-2

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	90.0 µm/m-°C	50.0 µin/in-°F	ISO 11359-1/-2
CTE, linear, Transverse to Flow	90.0 µm/m-°C	50.0 µin/in-°F	ISO 11359-1/-2
Specific Heat Capacity	1.82 J/g-°C	0.435 BTU/lb-°F	Melt
Thermal Conductivity	0.179 W/m-K	1.24 BTU-in/hr-ft²-°F	Melt
Deflection Temperature at 0.46 MPa (66 psi)	105 °C	221 °F	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	82.0 °C	180 °F	ISO 75-1/-2
Flammability, UL94	HB @Thickness 1.60 mm	HB @Thickness 0.0630 in	IEC 60695-11-10
Oxygen Index	21 %	21 %	ISO 4589-1/-2

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 1.00e+13 ohm-cm	>= 1.00e+13 ohm-cm	IEC 60093
Surface Resistance	>= 1.00e+15 ohm	>= 1.00e+15 ohm	IEC 60093
Dielectric Constant	3.0 @Frequency 1.00e+6 Hz	3.0 @Frequency 1.00e+6 Hz	IEC 60250
	3.2 @Frequency 100 Hz	3.2 @Frequency 100 Hz	IEC 60250
Dielectric Strength	30.0 kV/mm	762 kV/in	IEC 60243-1
Dissipation Factor	0.00060 @Frequency 100 Hz	0.00060 @Frequency 100 Hz	IEC 60250
	0.0045 @Frequency 1.00e+6 Hz	0.0045 @Frequency 1.00e+6 Hz	IEC 60250
Comparative Tracking Index	600 V	600 V	IEC 60112

Processing Properties	Metric	English	Comments
Melt Temperature	250 - 270 °C	482 - 518 °F
	260 °C	500 °F	Injection Molding; ISO 294
Mold Temperature	60.0 - 80.0 °C	140 - 176 °F
	70.0 °C	158 °F	Injection Molding; ISO 10724
Ejection Temperature	170 °C	338 °F
Injection Velocity	200 mm/sec	7.87 in/sec	ISO 294

Descriptive Properties	Value	Comments
Availability	Asia Pacific
	Europe
	India
	Near East/Africa
	North America
	South and Central America
Eff. thermal diffusivity (m²/s)	9.64E-08
Feature	Release agent
Form	Pellets
Process	Injection Molding

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