High CIS 1,3-Polybutadiene Rubber (Grade 1220)
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*Raw Material |
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Typical Properties |
Test Method |
Unit |
Value |
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CIS Content |
ZEON R-130A |
WT% |
Min 97 |
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Raw Mooney Viscosity |
ASTM D-1646 |
ML-4 |
41-49 |
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Volatile Material |
ASTM D-1416 |
WT% |
Max 0.5 |
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Ash Contenet |
ASTM D-1416 |
WT% |
Max 0.3 |
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**Compound |
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Compound Mooney Viscosity |
ASTM R-1646 |
ML-4 |
MAX 77 |
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Tensile(35 min) |
ASTM D-412 |
Kgf/cm3 |
MIN 150 |
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Elongation(35 min) |
ASTM D-412 |
% |
MIN 440 |
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300% Modulus at 145℃ |
ASTM D-412 |
Kgf/cm3 |
--- |
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25 min |
68-108 |
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35min |
74-114 |
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50 min |
74-114 |
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Rheometer at 160℃ |
ASTM D-3189 |
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MH |
lbf in |
32.0-40.0 |
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ML |
lbf in |
5.2-11.2 |
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TS-1 |
MIN |
2.1-6.1 |
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T50 |
MIN |
6.0-10.4 |
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T90 |
MIN |
8.3-13.1 |
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Compound Recipe |
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Raw BR-1220 |
ASTM D-3189 |
PART |
100 |
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HAF Carbon(IRB No.6) |
PART |
60 |
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Zinc Oxide |
PART |
3 |
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Stearic Acid |
PART |
2 |
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Accelerator(TBBS) |
PART |
0.9 |
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Sulfur |
PART |
1.5 |
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Highly Aromatic Oil |
PART |
15 |
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Vulcanization Temperature |
℃ |
145 |
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Other specifications |
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Anti Oxidant |
Non Staining – High Quality |
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Catalyst Type |
Cobalt |
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Packing |
35 Kg Bales, Wrapped in 50 Micron LDPE file & Each 36 Bales are in a Box Pallet |
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*Certified Properties *Values shown are averages & are not to be considered as product specifications. |
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Specification of Chemicals used in the compound
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Carbonblack HAF: |
IRB No-Conforming Tonbs- SRM no-378 |
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Zinc Oxide (White Zine): |
NBS- SRM No,370 JIS k-1410 No. 1 |
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Stearicacid: |
NBS- SRM No,372 Fractional Fatty Acid Ofjis-3341 |
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Oil: |
ASTM Oiltype 103(Sansen 4240 of JAPAN Sun Oil Co.) |
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Accelerator(TBBS): |
U.S. Monaantos Santocure – NS Conforming to NBS – SRM No.384 |
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Sulfur: |
NBS-SRM No.371. One Type of JIS k-6222.325 Meah Product |
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Composition: |
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BR-1220 is a stereospecific high CIS- 1/4 polybutadiene, it is manufactured by a Solution Process using Cobalt Catalyst which Produces Polymers with a low level of impurities. BR-1220 Contain anon –Staining High Quality Stabilizer System, too. |
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Applications: |
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BR-1220 is used for the Production of tire, Footwear, Rubber Hoses & Other Mechanical Rubber Products. |
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Storage: |
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BR-1220 Should in an Adequately Ventilated area where will not be Subjected to Sunlight, Extreme Temperatures or Sources of ignition. Under the above- Mentional Conditions BR-1220 |
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