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Ultradur? B 2550

Manufacturer: BASF
Produced At: Europe / China
Product Category: PBT
Product No: Ultradur B2550
Product Quantity: 25KG / BAG
Product Features: High Flow

Product information

Ultradur? B 2550

Polybutylene Terephthalate

BASF Corporation

Product Description:

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

Features	High Flow
Uses	Monofilaments、Paper Coatings
Agency Ratings	EC 1907/2006 (REACH)
RoHS Compliance	RoHS Compliant
Appearance	Natural Color
Forms	Pellets
Processing Method	Injection Molding
Multi-Point Data	Creep Modulus vs. Time (ISO 11403-1) Isochronous Stress vs. Strain (ISO 11403-1) Isothermal Stress vs. Strain (ISO 11403-1) Secant Modulus vs. Strain (ISO 11403-1) Specific Volume vs Temperature (ISO 11403-2) Viscosity vs. Shear Rate (ISO 11403-2)
Resin ID (ISO 1043)	PBT

Physical	Nominal Value	Unit	Test Method
Density	1.30	g/cm3	ISO 1183
Apparent (Bulk) Density	0.70 to 0.80	g/cm3
Melt Volume-Flow Rate (MVR) (250°C/2.16 kg)	2.75	in3/10min	ISO 1133
Molding Shrinkage			ISO 294-4
Across Flow	1.9	%
Flow	1.6	%
Water Absorption			ISO 62
Saturation, 73°F	0.50	%
Equilibrium, 73°F, 50% RH	0.25	%
Viscosity Number 3	107	cm3/g	ISO 307
Mold Shrinkage 4
free, longitudinal	1.5	%
free, transverse	1.5	%
Hardness	Nominal Value	Unit	Test Method
Ball Indentation Hardness (H 358/30)	18900	psi	ISO 2039-1

Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus	363000	psi	ISO 527-2
Tensile Stress (Yield)	8270	psi	ISO 527-2/50
Tensile Strain (Yield)	3.7	%	ISO 527-2/50
Nominal Tensile Strain at Break	35	%	ISO 527-2/50
Tensile Creep Modulus 5 (1000 hr)	160000	psi	ISO 899-1
Impact	Nominal Value	Unit	Test Method
Charpy Notched Impact Strength			ISO 179/1eA
-22°F	1.9	ft·lb/in2
73°F	2.0	ft·lb/in2
Charpy Unnotched Impact Strength			ISO 179/1eU
-22°F	57	ft·lb/in2
73°F	120	ft·lb/in2

Thermal	Nominal Value	Unit	Test Method
Heat Deflection Temperature
66 psi, Unannealed	329	°F	ISO 75-2/B
264 psi, Unannealed	149	°F	ISO 75-2/A
Melting Temperature	433	°F	ISO 11357-3
CLTE - Flow (73 to 176°F)	7.2E-5 to 8.9E-5	in/in/°F	ISO 11359-2
Specific Heat	0.299	Btu/lb/°F
Thermal Conductivity	1.9	Btu·in/hr/ft2/°F	DIN 52612
Maximum Service Temperature - short cycle operation	392	°F
Temperature Index - at 50% loss of tensile strength			IEC 60216
-- 6	248	°F
-- 7	284	°F

Electrical	Nominal Value	Unit	Test Method
Surface Resistivity	1.0E+13	ohms	IEC 60093
Volume Resistivity	1.0E+16	ohms·cm	IEC 60093
Relative Permittivity			IEC 60250
100 Hz	3.30
1 MHz	3.30
Dissipation Factor			IEC 60250
100 Hz	1.3E-3
1 MHz	0.020
Comparative Tracking Index			IEC 60112
Solution A	500	V
Solution B	450	V
Flammability	Nominal Value	Unit	Test Method
Flammability Classification			IEC 60695-11-10, -20
0.030 in	HB
0.06 in	HB

Injection	Nominal Value	Unit
Drying Temperature	176 to 248	°F
Drying Time	4.0	hr
Suggested Max Moisture	0.040	%
Hopper Temperature	176	°F
Rear Temperature	482	°F
Middle Temperature	491	°F
Front Temperature	500	°F
Nozzle Temperature	500	°F
Processing (Melt) Temp	473 to 527	°F
Mold Temperature	104 to 158	°F
Screw Speed	< 591	in/min

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Ultradur? B 2550

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