IDES Prospector Already have an account? Login Here

IDES

VALOX* 4521 Resin

Polybutylene Terephthalate

Glass Fiber Reinforcement, 20%

Supplied by SABIC Innovative Plastics Europe

The technical datasheet with complete property values for VALOX* 4521 Resin is available to members of the Prospector Plastics Database.
Register to view full datasheet.
Register to View Full Datasheet
Product Description
VALOX 4521 is a high flow, 19.5% glass reinforced flame retardant PBT injection moulding resin. Applications: electrical applications.
General  
Material Status 
  • Commercial: Active
Availability 
  • Europe
Filler / Reinforcement 
  • Glass Fiber Reinforcement, 20% Filler by Weight
Additive 
  • Flame Retardant
Features 
  • Flame Retardant
  • High Flow
 
Uses 
  • Electrical/Electronic Applications
RoHS Compliance 
Processing Method 
  • Injection Molding
Physical
Nominal Value
Unit
Test Method
Specific Gravity
     
--
 
ASTM D792
--
g/cm³
ISO 1183
Melt Mass-Flow Rate (MFR)
     
265°C/5.0 kg
g/10 min
ASTM D1238
250°C/2.16 kg
g/10 min
ISO 1133
Melt Volume-Flow Rate (MVR)
    ISO 1133
250°C/2.16 kg
in³/10min
 
250°C/5.0 kg
in³/10min
 
265°C/5.0 kg
in³/10min
 
Molding Shrinkage 2
    Internal Method
Flow
in/in
 
Across Flow
in/in
 
Water Absorption
    ISO 62
Saturation, 73°F
%
 
Equilibrium, 73°F, 50% RH
%
 
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
     
-- 3
psi
ASTM D638
--
psi
ISO 527-2/1
Tensile Strength
     
Yield 4
psi
ASTM D638
Yield
psi
ISO 527-2/5
Break 4
psi
ASTM D638
Break
psi
ISO 527-2/5
Tensile Elongation
     
Yield 4
%
ASTM D638
Yield
%
ISO 527-2/5
Break 4
%
ASTM D638
Break
%
ISO 527-2/5
Flexural Modulus
     
1.97 in Span 5
psi
ASTM D790
-- 6
psi
ISO 178
Flexural Strength
     
-- 6, 7
psi
ISO 178
Yield, 1.97 in Span 5
psi
ASTM D790
Break, 1.97 in Span 5
psi
ASTM D790
Flexural Strain at Break 8
%
ISO 178
Impact
Nominal Value
Unit
Test Method
Charpy Notched Impact Strength
     
-22°F 9
ft·lb/in²
ISO 179/1eA
-22°F
ft·lb/in²
ISO 179/2C
73°F 9
ft·lb/in²
ISO 179/1eA
73°F
ft·lb/in²
ISO 179/2C
Charpy Unnotched Impact Strength
     
-22°F 9
ft·lb/in²
ISO 179/1eU
-22°F
ft·lb/in²
ISO 179/2U
73°F 9
ft·lb/in²
ISO 179/1eU
73°F
ft·lb/in²
ISO 179/2U
Notched Izod Impact
     
-22°F
ft·lb/in
ASTM D256
32°F
ft·lb/in
ASTM D256
73°F
ft·lb/in
ASTM D256
-22°F 10
ft·lb/in²
ISO 180/1A
32°F 10
ft·lb/in²
ISO 180/1A
73°F 10
ft·lb/in²
ISO 180/1A
Unnotched Izod Impact
     
-22°F
ft·lb/in
ASTM D4812
73°F
ft·lb/in
ASTM D4812
-22°F 10
ft·lb/in²
ISO 180/1U
73°F 10
ft·lb/in²
ISO 180/1U
Hardness
Nominal Value
Unit
Test Method
Rockwell Hardness (R-Scale)
 
ISO 2039-2
Ball Indentation Hardness (H 358/30)
psi
ISO 2039-1
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load
     
66 psi, Unannealed, 0.126 in
°F
ASTM D648
66 psi, Unannealed, 3.94 in Span 11
°F
ISO 75-2/Be
66 psi, Unannealed, 2.52 in Span 12
°F
ISO 75-2/Bf
264 psi, Unannealed, 0.126 in
°F
ASTM D648
264 psi, Unannealed, 3.94 in Span 11
°F
ISO 75-2/Ae
264 psi, Unannealed, 2.52 in Span 12
°F
ISO 75-2/Af
Vicat Softening Temperature
     
--
°F
ASTM D1525 13
--
°F
ASTM D1525 14
--
°F
ISO 306/A50
--
°F
ISO 306/B50
--
°F
ISO 306/B120
Ball Pressure Test (257°F)
 
IEC 60695-10-2
CLTE
     
Flow: 73 to 302°F
in/in/°F
ASTM E831
Flow: -40 to 104°F
in/in/°F
ISO 11359-2
Flow: 73 to 176°F
in/in/°F
ISO 11359-2
Flow: 73 to 302°F
in/in/°F
ISO 11359-2
Transverse: 73 to 302°F
in/in/°F
ASTM E831
Transverse: -40 to 104°F
in/in/°F
ISO 11359-2
Transverse: 73 to 176°F
in/in/°F
ISO 11359-2
Transverse: 73 to 302°F
in/in/°F
ISO 11359-2
Thermal Conductivity
Btu·in/hr/ft²/°F
ISO 8302
Electrical
Nominal Value
Unit
Test Method
Surface Resistivity
ohms
IEC 60093
Volume Resistivity
ohm·cm
ASTM D257, IEC 60093
Dielectric Strength
    ASTM D149, IEC 60243-1
0.0315 in, in Oil
V/mil
 
0.0630 in, in Oil
V/mil
 
0.126 in, in Oil
V/mil
 
Dielectric Constant
     
1 MHz
 
ASTM D150, IEC 60250
50 Hz
 
IEC 60250
60 Hz
 
IEC 60250
Dissipation Factor
     
1 MHz
 
ASTM D150, IEC 60250
50 Hz
 
IEC 60250
60 Hz
 
IEC 60250
Arc Resistance (PLC) 15
 
ASTM D495
Comparative Tracking Index
V
IEC 60112
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL
    UL 94
0.0295 in
 
 
0.0591 in
 
 
0.0787 in
 
 
Glow Wire Flammability Index (0.126 in)
°F
IEC 60695-2-12
Oxygen Index
%
ISO 4589-2
UL
Nominal Value
Unit
Test Method
RTI Str
°F
UL 746
RTI Imp
°F
UL 746
RTI Elec
°F
UL 746
Comparative Tracking Index (CTI) (PLC)
 
UL 746
High Voltage Arc Tracking Rate (HVTR) (PLC)
 
UL 746
Hot-wire Ignition (HWI) (PLC)
 
UL 746
High Amp Arc Ignition (HAI) (PLC)
 
UL 746
Fill Analysis
Nominal Value
Unit
Test Method
Melt Viscosity (500°F, 1500 sec^-1)
Pa·s
ISO 11443
Additional Information
Nominal Value
Unit
Test Method
Filler Content
%
ASTM D229
Related Terminology
This supplier and product may also be known by these terms: GE Plastics Europe, LNP Engineering Plastics, GE Polymerland Europe, GE Polymerland, GE Plastics

Product names can be difficult to match. You may have searched any one of these terms to find this product: VALOX* 4521 Resin, VALOX 4521 Resin, VALOX* , VALOX, VALOX4521Resin, 4521 Resin, 4521Resin, Polybutylene Terephthalate, PBT, Polyester, SABIC IP Euro, PolybutyleneTerephthalate, Resin4521
Features
Features may also be described by the following terms: High Flow, High Melt, High MFI.
Uses
Uses may also be described by the following terms: Electrical Applications, Electronic Applications, Electrical/Electronic Applications, Electrical Sector.
Injection
Nominal Value
Unit
 
Drying Temperature
°F
 
Drying Time
hr
 
Suggested Max Moisture
%
 
Hopper Temperature
°F
 
Rear Temperature
°F
 
Middle Temperature
°F
 
Front Temperature
°F
 
Nozzle Temperature
°F
 
Processing (Melt) Temp
°F
 
Mold Temperature
°F
 
Notes
1Typical properties: these are not to be construed as specifications.
2Tensile Bar
30.20 in/min
4Type I, 0.20 in/min
50.051 in/min
60.079 in/min
7Yield
82 mm/min
980*10*4 sp=62mm
1080*10*4
11120*10*4 mm
1280*10*4 mm
13Rate A (50°C/h), Loading 2 (50 N)
14Rate B (120°C/h), Loading 2 (50 N)
15Tungsten Electrode
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.