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Ultradur? B 2520

Manufacturer: BASF
Produced At: Europe / China
Product Category: PBT
Product No: Ultradur B2520
Product Quantity: 25KG / BAG
Product Features: Good Flow

Product information

Ultradur? B 2520

Polybutylene Terephthalate

BASF Corporation

Product Description:

Very easy flowing grade unreinforced injection molding grade for thin-walled parts (e.g. automotive connectors, switches, relay parts).

Features	Good Flow
Uses	Automotive Applications、Connectors、Switches、Thin-walled Parts
Agency Ratings	EC 1907/2006 (REACH)
RoHS Compliance	RoHS Compliant
Appearance	Natural Color
Forms	Pellets
Processing Method	Injection Molding
Resin ID (ISO 1043)	PBT

Physical	Nominal Value	Unit	Test Method
Density	1.31	g/cm3	ISO 1183
Apparent (Bulk) Density	0.70 to 0.80	g/cm3
Melt Volume-Flow Rate (MVR) (250°C/2.16 kg)	3.36	in3/10min	ISO 1133
Molding Shrinkage			ISO 294-4
Across Flow	1.5	%
Flow	1.5	%
Water Absorption			ISO 62
Saturation, 73°F	0.40	%
Equilibrium, 73°F, 50% RH	0.20	%
Viscosity Number 2	105	cm3/g	ISO 307
Mold Shrinkage 3
free, longitudinal	1.5	%
free, transverse	1.5	%

Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus	370000	psi	ISO 527-2
Tensile Stress (Yield)	8270	psi	ISO 527-2/50
Tensile Strain (Yield)	4.0	%	ISO 527-2/50
Impact	Nominal Value	Unit	Test Method
Charpy Notched Impact Strength (73°F)	1.5	ft·lb/in2	ISO 179/1eA
Charpy Unnotched Impact Strength			ISO 179/1eU
-22°F	33	ft·lb/in2
73°F	81	ft·lb/in2

Thermal	Nominal Value	Unit	Test Method
Heat Deflection Temperature
66 psi, Unannealed	284	°F	ISO 75-2/B
264 psi, Unannealed	135	°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	0.359	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
-- 4	248	°F
-- 5	284	°F

Electrical	Nominal Value	Unit	Test Method
Volume Resistivity	> 1.0E+18	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
0.03 in	HB
0.06 in	HB

Additional Information	Nominal Value		Test Method
ISO Type	PBT, M+H+LGHLN, 11-030		ISO 7792

Injection	Nominal Value	Unit
Processing (Melt) Temp	482 to 527	°F
Mold Temperature	140 to 212	°F

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Ultradur? B 2520

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

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