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This is the free Material Data Center Datasheet of Ultradur® B 4520 - PBT - BASF

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Processing/Physical Characteristics - Mechanical properties - Thermal properties - Electrical properties - Other properties - Material specific properties - Processing Recommendation Injection Molding - Processing Recommendation Extrusion - Diagrams

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Product Texts

Standard injection molding grade for the production of various functional parts.
The products can also be offered as BMBcert™ and/or Ccycled™. Due to the Massbalance approach the product properties do not change

Abbreviated designation according to ISO 1043-1: PBT

Processing/Physical Characteristics	Value	Unit	Test Standard
ISO Data
Melt volume-flow rate, MVR	20	cm³/10min	ISO 1133
Temperature	250	°C	-
Load	2.16	kg	-
Molding shrinkage, parallel	1.7	%	ISO 294-4, 2577
Molding shrinkage, normal	1.7	%	ISO 294-4, 2577
ASTM Data
Mold Shrinkage, MD	0.015	mm/mm	ASTM D 955

Mechanical properties	Value	Unit	Test Standard
ISO Data
Tensile Modulus	2400	MPa	ISO 527
Yield stress	55	MPa	ISO 527
Yield strain	3.7	%	ISO 527
Nominal strain at break	>50	%	ISO 527
Flexural modulus, 23°C	2400	MPa	ISO 178
Flexural strength	85	MPa	ISO 178
Tensile creep modulus, 1h	1800	MPa	ISO 899-1
Tensile creep modulus, 1000h	1200	MPa	ISO 899-1
Charpy impact strength, +23°C	N	kJ/m²	ISO 179/1eU
Charpy impact strength, -30°C	180	kJ/m²	ISO 179/1eU
Charpy notched impact strength, +23°C	5	kJ/m²	ISO 179/1eA
Charpy notched impact strength, -30°C	3	kJ/m²	ISO 179/1eA
Ball indentation hardness	130	MPa	ISO 2039-1
ASTM Data
Tensile Modulus	2482	MPa	ASTM D 638
Tensile Strength at Yield	60	MPa	ASTM D 638
Elongation at Yield	3.7	%	ASTM D 638
Flexural Modulus	2303	MPa	ASTM D 790

Thermal properties	Value	Unit	Test Standard
ISO Data
Melting temperature, 10°C/min	223	°C	ISO 11357-1/-3
Temp. of deflection under load, 1.80 MPa	55	°C	ISO 75-1/-2
Temp. of deflection under load, 0.45 MPa	165	°C	ISO 75-1/-2
Coeff. of linear therm. expansion, parallel	115	E-6/K	ISO 11359-1/-2
Coeff. of linear therm. expansion, normal	115	E-6/K	ISO 11359-1/-2
Burning Behav. at 1.5 mm nom. thickn.	HB	class	IEC 60695-11-10
Thickness tested	1.5	mm	-
Yellow Card available	yes	-	-
Burning Behav. at thickness h	HB	class	IEC 60695-11-10
Thickness tested	0.8	mm	-
Yellow Card available	yes	-	-
Oxygen index	20	%	ISO 4589-1/-2
ASTM Data
DTUL @ 66 psi	163	°C	ASTM D 648
DTUL @ 264 psi	60	°C	ASTM D 648
Melting Temperature	223	°C	ASTM D 3418

Electrical properties	Value	Unit	Test Standard
ISO Data
Relative permittivity, 100Hz	3.4	-	IEC 62631-2-1
Relative permittivity, 1MHz	3.3	-	IEC 62631-2-1
Dissipation factor, 100Hz	20	E-4	IEC 62631-2-1
Dissipation factor, 1MHz	200	E-4	IEC 62631-2-1
Volume resistivity	>1E13	Ohm*m	IEC 62631-3-1
Surface resistivity	1E13	Ohm	IEC 62631-3-2
Electric strength	36	kV/mm	IEC 60243-1
Comparative tracking index	550	-	IEC 60112

Other properties	Value	Unit	Test Standard
Water absorption	0.5	%	Sim. to ISO 62
Humidity absorption	0.25	%	Sim. to ISO 62
Density	1300	kg/m³	ISO 1183
Bulk density	750	kg/m³	-
Density	1680	kg/m³	ASTM D 792

Material specific properties	Value	Unit	Test Standard
ISO Data
Viscosity number	130	cm³/g	ISO 307, 1157, 1628

Processing Recommendation Injection Molding	Value	Unit	Test Standard
Processing humidity	≤0.04	%	-
Melt temperature	250 - 275	°C	-
Mold temperature	40 - 70	°C	-

Processing Recommendation Extrusion	Value	Unit	Test Standard
Processing humidity	≤0.04	%	-
Melt temperature	250 - 275	°C	-

Diagrams

Characteristics

Processing

Injection Molding, Other Extrusion

Delivery form

Pellets, Black, Natural Color

Additives

Lubricants

Special Characteristics

Light stabilized or stable to light, U.V. stabilized or stable to weather, Heat stabilized or stable to heat

Applications

Automotive

Regional Availability

North America, Europe, Asia Pacific, South and Central America, Near East/Africa

Other text information

Injection molding

PREPROCESSING
Pre/Post-processing, max. allowed water content: .04 %
Pre/Post-processing, Pre-drying, Temperature: 80 - 120 °C
Pre/Post-processing, Pre-drying, Time: 4 h

PROCESSING
injection molding, Melt temperature, range: 250 - 275 °C
injection molding, Melt temperature, recommended: 260 °C
injection molding, Mold temperature, range: 40 - 70 °C
injection molding, Mold temperature, recommended: 60 °C

Chemical Media Resistance

Acids
	Acetic Acid (5% by mass) (23°C)
	Citric Acid solution (10% by mass) (23°C)
	Lactic Acid (10% by mass) (23°C)
Bases
	Sodium Hydroxide solution (35% by mass) (23°C)
	Ammonium Hydroxide solution (10% by mass) (23°C)
Alcohols
	Isopropyl alcohol (23°C)
	Methanol (23°C)
	Ethanol (23°C)
Hydrocarbons
	n-Hexane (23°C)
	Toluene (23°C)
	iso-Octane (23°C)
Ketones
	Acetone (23°C)
Ethers
	Diethyl ether (23°C)
Mineral oils
	SAE 10W40 multigrade motor oil (23°C)
	SAE 10W40 multigrade motor oil (130°C)
Standard Fuels
	Diesel fuel (pref. ISO 1817 Liquid F) (23°C)
Salt solutions
	Sodium Carbonate solution (2% by mass) (23°C)
Other
	Ethyl Acetate (23°C)
	Water (23°C)

Disclaimer

Copyright Altair Engineering GmbH. Altair Engineering GmbH assumes no liability for the system to be free of errors. The user takes sole responsibility for the use of this data under the exclusion of every liability from Altair Engineering GmbH; this is especially valid for claims of compensation resulting from consequential damages. Altair explicitly points out that any decision about the application of materials must be double checked with the producer of this material. This includes all contents of this system. Copyright laws are applicable for the content of this system.

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