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Ultradur® B 2550

Ultradur® B 2550

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

Ultradur® B 2550

Polybutylene Terephthalate
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



Products are widely used in plastic modification, automotive, construction, electrical and electronic, industrial, daily necessities and other fields


Consultation
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