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NEODENE 40

High Cis Polybutadiene Rubber

Supplied by Karbochem (Pty) Ltd

The technical datasheet with complete property values for NEODENE 40 is available to members of the Prospector Plastics Database.
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Product Description
Neodene 40 is a white to honey brown ultra high cis polybutadiene rubber with a cis content greater than 97.0%, manufactured by means of solution polymerisation using a neodymium based catalyst in an aliphatic solvent. It is a polymer with very high chain linearity and a fairly broad molecular mass distribution.

PACKAGING
Bales weighing 35kg each are individually wrapped in LDPE film and packed in cardboard lined wooden crates containing 30 bales.
General  
Material Status 
  • Commercial: Active
Availability 
  • Africa & Middle East
  • Europe
  • North America
Catalyst 
  • Neodymium
Features 
  • Wide Molecular Weight Distribution
Appearance 
  • Light Brown
  • White
  
Forms 
  • Bale
Physical
Nominal Value
Unit
Test Method
Specific Gravity 2
 
 Internal Method
Mooney Viscosity 2 (ML 1+4, 212°F)
MU
 ASTM D1646
1,4-cis Content
wt%
 Internal Method
Ash Content
%
 ASTM D5667
Stabilizer - non-staining
%
 ASTM D5774
Volatile Matter
%
 ASTM D5668
Elastomers
Nominal Value
Unit
Test Method
Tensile Stress (300% Strain)
psi
 ASTM D412
Tensile Strength (Yield)
psi
 ASTM D412
Tensile Elongation (Break)
%
 ASTM D412
Additional Information
Rheometer, MDR2000E, 160°C, 0.5° arc, 100 cpm, ASTM D5289:
ML: 2.7 to 3.7 dN.m
MH: 17.7 to 21.7 dN.m
Ts1: 1.5 to 3.5 min
Tc 50: 4.9 to 7.9 min
Tc 90: 7.8 to 12.0 min
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: NEODENE 40, NEODENE , NEODENE40, 40, Polybutadiene Rubber, High Cis, Polybutadiene Rubber High Cis, PBR, High Cis, PBR High Cis, Polybutadiene Rubber, PBR, Karbochem, PolybutadieneRubberHighCis, PBRHighCis, PolybutadieneRubber
Features
Features may also be described by the following terms: Wide Molecular Weight Distribution, Wide MW Distribution, Broad Molecular Weight Distribution.
Notes
1Typical properties: these are not to be construed as specifications.
2Raw Rubber
 
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.