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Kumho KBR 31

High Cis Polybutadiene Rubber

Supplied by Korea Kumho Petrochemical Co., Ltd.

The technical datasheet with complete property values for Kumho KBR 31 is available to members of the Prospector Plastics Database.
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General  
Material Status 
  • Commercial: Active
Availability 
  • Asia Pacific
  • Europe
  • North America
Additive 
  • Unspecified Stabilizer 1
Features 
  • Good Abrasion Resistance
  • Good Weather Resistance
  • Resilient
Uses 
  • Automotive Exterior Parts
  • Belts/Belt Repair
  • Footwear
  • Hose
  • Sporting Goods
RoHS Compliance 
Forms 
  • Pellets
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
 ASTM D792
Mooney Viscosity
      
ML 1+4, 212°F
MU
  
ML 1+4, 212°F 3
MU
 ASTM D3189
1,4-cis Content
wt%
  
Ash Content
%
  
Volatile Matter
%
  
Elastomers
Nominal Value
Unit
Test Method
Tensile Stress 4 (300% Strain)
psi
  
Tensile Strength 4 (Yield)
psi
  
Tensile Elongation 4 (Break)
%
  
Thermal
Nominal Value
Unit
Test Method
Glass Transition Temperature (DSC)
°F
  
Additional Information
Nominal Value
Unit
Test Method
Monsanto ODR
      
320°F 5
lbf/in
  
320°F 6
min
  
320°F 7
lbf/in
  
320°F 8
min
  
320°F 9
min
  
Oil Content 10
%
  
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Kumho KBR 31, Kumho KBR , KumhoKBR31, KumhoKBR, KBR 31, KBR31, KBR, 31, Polybutadiene Rubber, High Cis, Polybutadiene Rubber High Cis, PBR, High Cis, PBR High Cis, Polybutadiene Rubber, PBR, Kumho, PolybutadieneRubberHighCis, PBRHighCis, PolybutadieneRubber, 31KBR
Features
Features may also be described by the following terms: Good Abrasion Resistance, Abrasion Resistant, Good Weather Resistance, Weather Resistant.
Uses
Uses may also be described by the following terms: Belts/Belt Repair, Belt Repair.
Notes
1Non-staining
2Typical properties: these are not to be construed as specifications.
3Compounded Rubber
4Press cured 35 min at 145°C
5ARC ±1°, ML
6ARC ±1°, T' 90
7ARC ±1°, MH
8ARC ±1°, TS 01
9ARC ±1°, T' 50
10High Aromatic
 
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.