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Bayfol® CR 1-4

Polycarbonate + PBT

Supplied by Bayer MaterialScience LLC

The technical datasheet with complete property values for Bayfol® CR 1-4 is available to members of the Prospector Plastics Database.
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Product Description
PC/PBT-blend-film with high dynamic strength, good cold formability and increased chemical resistance, clear, translucent one side gloss, one side fine matte, thickness 175 - 500 micron.
Application: Membrane switch overlays, nameplates, keypads, touch panels
General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Features 
  • Good Chemical Resistance
Uses 
  • Film
Agency Ratings 
RoHS Compliance 
Appearance 
  • Translucent
Forms 
  • Film
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
ASTM D792
Water Absorption (73°F, 24 hr)
%
ASTM D570
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
psi
ISO 527-2
Tensile Strain (Break)
%
ISO 527-2
Films
Nominal Value
Unit
Test Method
Tensile Strength - MD
    ASTM D882
Yield
psi
 
Break
psi
 
Tensile Elongation - MD (Break)
%
ASTM D882
Optical
Nominal Value
Unit
Test Method
Transmittance
%
ASTM D1003
Additional Information
Coefficient of linear thermal expansion, parallel, DIN 53752, 20 to 120 °C: 80 e-6/K
Coefficient of linear thermal expansion, transverse, DIN 53752, 20 to 120 °C: 80 e-6/K
Luminous transmittance (clear transparent materials), ISO 13468-2, Type of light, C/2, O/D: >80 %
Shrinkage, across, IEC 60674, 90 °C, 1 h: 0.3 %
Shrinkage, parallel, IEC 60674, 90 °C, 1 h: 0.3 %
Tear strength, initial, ASTM D1004: 960 lbf/in
Yellowness index, ASTM E313: 0.8
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Bayfol® CR 1-4, Bayfol CR 14, Bayfol® , Bayfol, BayfolCR14, CR 1, CR 1-4, CR 14, CR 1:4, CR 1/4, CR 1+4, CR 1_4, CR 1 4, CR1, 14, CR14, CR1_4, Polycarbonate + PBT, Polycarbonate PBT, Polycarbonate : PBT, Polycarbonate / PBT, Polycarbonate - PBT, Polycarbonate _ PBT, Polycarbonate PBT, PC+PBT, PCPBT, PC:PBT, PC/PBT, PC-PBT, PC_PBT, PC PBT, Polycarbonate, PC, Bayer, PolycarbonatePBT, Polycarbonate_PBT, 1CR
Features
Features may also be described by the following terms: Good Chemical Resistance, Chemical Resistant.
Agency Ratings
This plastic material has 3 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): EU (3).
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.