CHAMBROAD SINOPOLY
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TBIR

TBIR is a high trans-1,4-poly copolymer composed of isoprene and butadiene units. TBIR is a new functional rubber material that improves the compatibility between natural rubber, butadiene rubber and butadiene styrene butadiene rubber and other general-purpose rubber, optimizes the filler dispersion, and gives full play to the excellent performance of each rubber. In 2018, the National Development and Reform Commission listed TBIR as high-quality synthetic rubber in the Strategic Emerging Industry Key Product and Service Guidance Catalog.
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Product description
Parameters
Juneng Green Rubber
Empower a Better Life
  • The rubber compound containing TBIR has high Green strength and good dimensional stability.
  • The vulcanizate containing TBIR has excellent fatigue resistance and wear resistance, as well as low rolling resistance and heat generation.
 
Application
◎ High-performance environment-friendly tires, shock-absorbing products, conveyor belts, transmission belts, rubber tracks and sports products.
 
Product features
◎ Compatibility:
      ◆It has good compatibility and co-vulcanization with NR, BR and (S)SBR
      ◆It improves compatibility and co-vulcanization with NR, BR and (S)SBR
 
◎ Applicability Balance:
      ◆ It's easier to balance the rolling resistance, wet skid resistance and wear resistance of tires
      ◆ Through formula adjustment, it is easier to obtain excellent comprehensive performance
 
◎ Durability:
      ◆ Resistance to fatigue crack
      ◆ Resistance to fatigue crack expansion
      ◆ Wear resistance
      ◆Resistance to brokenness
 
Item TBIR1049 TBIR1058 TBIR2249 TBIR2259
Excellent  Qualified  Excellent  Qualified  Excellent  Qualified  Excellent  Qualified 
Appearance White or light yellow granular/lumpy solid
Mooney Viscosity ML (3+4) 100 49±3 49±5 58±3 58±5 49±3 49±5 59±3 59±5
Volatile Compounds (Mass Fraction) /% 49±3 49±4 49±5 49±6 49±7 49±8 49±9 49±10
Ash Content (Mass Fraction) /% 1.0
Butadiene molar content
(Mass Fraction) /%
10.0±2.0 22.0±3.0
Vulcanization characteristics1 FH/dN·m 13.0±3.0 14.0±3.0 13.5±3.0 14.5±3.0
FL/dN·m 2.5±1.5 3.5±1.5 3.0±1.5 4.0±1.5
T'c(50)/min 6.0±2.0 6.5±2.0
T'c(90)/min 12.0±2.5 12.5±2.5
ts1/min 3.5±1.5 4.0±1.5
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