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CBT® 200

Polybutylene Terephthalate

Supplied by Cyclics Corporation

The technical datasheet with complete property values for CBT® 200 is available to members of the Prospector Plastics Database.
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Product Description
CBT® 200 resin melts to a water-like viscosity when heated, then polymerizes into the engineering thermoplastic polybutylene terephthalate (PBT). CBT 200 resin has a processing range between 170-240°C and is available in both one and two-part systems. CBT 200 resin is formulated for various casting, low pressure molding, coatings and composite applications where the lower melt temperature allows for longer working time than CBT 100 resin before polymerizing into PBT.

CBT 200 resin has a melt temperature of 165°C (329°F) which is 15°C (37°F) lower than Cyclics CBT 100 resin.
General  
Material Status 
  • Commercial: Active
Availability 
  • Europe
  • North America
  
Features 
  • Alcohol Resistant
  • Good Chemical Resistance
  • Good Weather Resistance
  • Hydrocarbon Resistant
  
Forms 
  • Pellets
Processing Method 
  • Casting
  • Injection Molding
  
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
 ASTM D792
Molding Shrinkage - Flow (0.157 in)
in/in
 ASTM D955
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
psi
 ISO 527-2
Tensile Stress (Yield)
psi
 ISO 527-2
Tensile Strain
     ISO 527-2
Yield
%
  
Break
%
  
Flexural Modulus
psi
 ISO 178
Flexural Strength
psi
 ISO 178
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact Strength (73°F)
ft·lb/in²
 ISO 180/1A
Unnotched Izod Impact Strength (73°F)
 
 ISO 180/1U
Thermal
Nominal Value
Unit
Test Method
Melting Temperature
°F
  
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL (0.157 in)
 
 UL 94
Fill Analysis
Nominal Value
Unit
Test Method
Melt Density
g/cm³
  
Melt Viscosity
     ASTM D3835
338°F, 10.0 sec^-1
Pa·s
  
356°F, 10.0 sec^-1
Pa·s
  
374°F, 10.0 sec^-1
Pa·s
  
392°F, 10.0 sec^-1
Pa·s
  
410°F, 10.0 sec^-1
Pa·s
  
428°F, 10.0 sec^-1
Pa·s
  
Additional Information
Solid Heat Capacity, ASTM E1269: 1.25 J/g.°C
Liquid Heat Capacity, ASTM E1269, 180°C (356°F): 1.96 J/g.°C
Heat of Melting, ASTM E793: 64 J/g
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: CBT® 200, CBT 200, CBT® , CBT, CBT200, 200, Polybutylene Terephthalate, PBT, Polyester, Cyclics, PolybutyleneTerephthalate
Features
Features may also be described by the following terms: Good Weather Resistance, Weather Resistant, Good Chemical Resistance, Chemical Resistant.
Injection
Nominal Value
Unit
 
Processing (Melt) Temp
°F
  
Mold Temperature
°F
  
Injection Notes
Barrier Temperature: 120 to 140°C (250 to 284°F)
Casting Processing Melt Temperature: 170 to 240°C (338 to 464°F)
Notes
1Typical properties: these are not to be construed as specifications.
 
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.