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 Polybutadiene Rubber (P.B.R)

Arak Petrochemical Company
Grade : 1220
MESC NO :87 88 15 10 62
Type: Non- Oil Extended 
Manufacturer : Arak Petrochemical Co.
Licensor: Nippon Zeon (Japan)
Application : Coating Resin , Tire, Rubber Products, Shoe sole.
 

Property Units Spec Value Test Method
Volatile Matter %wt max 0.5 Nippon Zeon R-001B
Ash Content %wt max 0.5 Nippon Zeon R-00A/ASTM D-1416
Cis Content %wt min 97 Nippon Zeon R-130A
Oil Content %wt *** Nippon Zeon R-106A/ASTM D-1416
Raw Ml (1+4) at 100 oC *** 41-49 Nippon Zeon R-007B/ASTM D-1646
Compound ML (1+4) at 100 oC *** max 77 Nippon Zeon R-007B/ASTM D-1646
Modulus 300% 25 min kg/cm2 68-108 Nippon Zeon R-350A/ASTM D-412,JIS K-6301
35 min kg/cm2 74-114 Nippon Zeon R-350A/ASTM D-412,JIS K-6301
50 min kg/cm2 74-114 Nippon Zeon R-350A/ASTM D-412,JIS K-6301
Elongation (35 min) % min 440 Nippon Zeon R-350A/ASTM D-412,JIS K-6301
Tensile (35 min) kg/cm2 min 150 Nippon Zeon R-350A/ASTM D-412,JIS  K-6301

Compounding Materials : Carbon Black HAF :

 IRB=6 confoming to NBS-SRM No.378
Zinc Oxid (white zinc) NBS-SRM No.370 jis k-1410 No.1
streac Acid: NBS-SRM No.372 fractional fatty acid of JIS K-3341
Sulfur : NBS-SRM No.371 one type of jis K-6222,325 mesh product.
Accrlerator (TBBS):U.S. monsanto's santocure-NS conforming to NBS-SRM No.384
Oil : ASTM oil type 103 ( sansen 4240 of Japan sun oil co.)


Refrence for compound preparation : ASTM D-3182 , D-3189
Compounding Formula :

  B.R Carbon Black Zinc Oxide St.acid Oil Sulfur Accelerator T.B.B.S
Batch (gr) 600 360 18 12 90 9 5.4

 
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