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This is the free Material Data Center Datasheet of Ultradur® B 2550 - PBT - BASF

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Processing/Physical Characteristics - Mechanical properties - Thermal properties - Electrical properties - Other properties - Material specific properties - Diagrams

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Product Texts

Very easy flowing grade for heat-resistant coatings on paper and cardboard as well as for the production of monofilaments and bristles. Also for technical extrusion or injection molding applications that call for high flowability.


Abbreviated designation according to ISO 1043-1: PBT

Processing/Physical Characteristics	Value	Unit	Test Standard
ISO Data
Melt volume-flow rate, MVR	45	cm³/10min	ISO 1133
Temperature	250	°C	-
Load	2.16	kg	-
Molding shrinkage, parallel	1.6	%	ISO 294-4, 2577
Molding shrinkage, normal	1.9	%	ISO 294-4, 2577
ASTM Data
Mold Shrinkage, MD	0.014	mm/mm	ASTM D 955

Mechanical properties	Value	Unit	Test Standard
ISO Data
Tensile Modulus	2500	MPa	ISO 527
Yield stress	57	MPa	ISO 527
Yield strain	3.7	%	ISO 527
Nominal strain at break	35	%	ISO 527
Tensile creep modulus, 1h	1500	MPa	ISO 899-1
Tensile creep modulus, 1000h	1100	MPa	ISO 899-1
Charpy impact strength, +23°C	250	kJ/m²	ISO 179/1eU
Charpy impact strength, -30°C	120	kJ/m²	ISO 179/1eU
Charpy notched impact strength, +23°C	4	kJ/m²	ISO 179/1eA
Charpy notched impact strength, -30°C	4	kJ/m²	ISO 179/1eA
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	2213	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	65	°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	110	E-6/K	ISO 11359-1/-2
Coeff. of linear therm. expansion, normal	110	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	-	-
ASTM Data
DTUL @ 66 psi	164	°C	ASTM D 648
DTUL @ 264 psi	67.2	°C	ASTM D 648
Melting Temperature	223	°C	ASTM D 3418

Electrical properties	Value	Unit	Test Standard
ISO Data
Relative permittivity, 100Hz	3.3	-	IEC 62631-2-1
Relative permittivity, 1MHz	3.3	-	IEC 62631-2-1
Dissipation factor, 100Hz	13	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	40	kV/mm	IEC 60243-1
Comparative tracking index	500	-	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
Density	1300	kg/m³	ASTM D 792

Material specific properties	Value	Unit	Test Standard
ISO Data
Viscosity number	107	cm³/g	ISO 307, 1157, 1628

Diagrams

Characteristics

Processing

Injection Molding, Coating

Delivery form

Pellets

Special Characteristics

Heat stabilized or stable to heat

Applications

Monofilament

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: 245 - 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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