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Celanex® 3216

Polybutylene Terephthalate

Glass Fiber Reinforcement, 15%

Supplied by Ticona

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Product Description
Celanex 3216 is a non-exuding (UL and CSA approved V-0 at 1/32 inch and 5V at 1/8 inch ),15% fiberglass reinforced polybutylene terephthalate which has an excellent balance of mechanical properties and processability. It is well suited for electrical connector applications where its UL approved 50% regrind use capability allows maximum use of purchased product.
General  
Material Status 
  • Commercial: Active
Availability 
  • Africa & Middle East
  • Asia Pacific
  • Europe
  • Latin America
  • North America
  • South America
Filler / Reinforcement 
  • Glass Fiber Reinforcement, 15% Filler by Weight
Features 
  • Good Processability
Uses 
  • Connectors
RoHS Compliance 
Automotive Specifications 
Processing Method 
  • Injection Molding
Multi-Point Data 
  • Isothermal Stress vs. Strain (ISO 11403-1)
  • Viscosity vs. Shear Rate (ISO 11403-2)
  
Physical
Nominal Value
Unit
Test Method
Specific Gravity      
--
 
 ASTM D792
--
g/cm³
 ISO 1183
Melt Volume-Flow Rate (MVR) (250°C/2.16 kg)
in³/10min
 ISO 1133
Molding Shrinkage      
Flow
in/in
 ASTM D955
Across Flow
%
 ISO 294-4
Flow
%
 ISO 294-4
Water Absorption      
73°F, 24 hr
%
 ASTM D570
Equilibrium, 73°F, 50% RH
%
 ISO 62
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
psi
 ISO 527-2/1A/1
Tensile Strength      
Break, 73°F
psi
 ASTM D638
Break
psi
 ISO 527-2/1A/5
Tensile Elongation      
Break, 73°F
%
 ASTM D638
Break
%
 ISO 527-2/1A/5
Flexural Modulus      
73°F
psi
 ASTM D790
73°F
psi
 ISO 178
Flexural Strength      
73°F
psi
 ASTM D790
73°F
psi
 ISO 178
Impact
Nominal Value
Unit
Test Method
Charpy Notched Impact Strength     ISO 179/1eA
-22°F
ft·lb/in²
  
73°F
ft·lb/in²
  
Charpy Unnotched Impact Strength     ISO 179/1eU
-22°F
ft·lb/in²
  
73°F
ft·lb/in²
  
Notched Izod Impact      
73°F
ft·lb/in
 ASTM D256
73°F
ft·lb/in²
 ISO 180/1A
Hardness
Nominal Value
Unit
Test Method
Rockwell Hardness (M-Scale)
 
 ISO 2039-2
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load      
66 psi, Unannealed
°F
 ASTM D648
66 psi, Unannealed
°F
 ISO 75-2/B
264 psi, Unannealed
°F
 ASTM D648
264 psi, Unannealed
°F
 ISO 75-2/A
1160 psi, Unannealed
°F
 ISO 75-2/C
Glass Transition Temperature
°F
 ISO 11357-2
Vicat Softening Temperature
°F
 ISO 306/B50
Melting Temperature 2
°F
 ISO 11357-3, ASTM D3418
CLTE     ISO 11359-2
Flow
in/in/°F
  
Transverse
in/in/°F
  
Electrical
Nominal Value
Unit
Test Method
Surface Resistivity
ohms
 IEC 60093
Volume Resistivity      
--
ohm·cm
 ASTM D257
--
ohm·cm
 IEC 60093
Dielectric Strength      
-- 3
V/mil
 ASTM D149
--
V/mil
 IEC 60243-1
Dielectric Constant      
1 MHz
 
 ASTM D150
100 Hz
 
 IEC 60250
1 MHz
 
 IEC 60250
Dissipation Factor      
1 MHz
 
 ASTM D150
100 Hz
 
 IEC 60250
1 MHz
 
 IEC 60250
Arc Resistance
sec
 ASTM D495
Comparative Tracking Index
V
 IEC 60112, ASTM D3638
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL     UL 94
--
 
  
0.0150 in
 
  
0.118 in
 
  
Oxygen Index
%
 ISO 4589-2
Related Terminology
This supplier and product may also be known by these terms: Celenex

Product names can be difficult to match. You may have searched any one of these terms to find this product: Celanex® 3216, Celanex 3216, Celanex® , Celanex, Celanex3216, 3216, Polybutylene Terephthalate, PBT, Polyester, Ticona, PolybutyleneTerephthalate
Features
Features may also be described by the following terms: Good Processability, Easy Processing.
Automotive Specifications
This plastic material has approval for 1 automotive specifications from the following agencies (the number in parentheses shows the number of specifications for that agency): CHRYSLER (1).
Injection
Nominal Value
Unit
 
Suggested Max Regrind
%
  
Rear Temperature
°F
  
Middle Temperature
°F
  
Front Temperature
°F
  
Nozzle Temperature
°F
  
Processing (Melt) Temp
°F
  
Mold Temperature
°F
  
Injection Rate
 
  
Back Pressure
psi
  
Injection Notes
Screw Speed: Medium

Injection speed, injection pressure and holding pressure have to be optimized to the individual article geometry. To avoid material degradation during processing low back pressure and minimum screw speed have to be used. Overheating of the material has to be avoided, in particular for flame retardant grades. Up to 50% clean and dry regrind may be used for the '16 series' flame retardant grades.
Notes
1Typical properties: these are not to be construed as specifications.
210°C/min
3Method A (Short-Time)
 
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.