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SIBUR Polybutadiene rubber BR-1243 B(LP) metal container 1,26

Polybutadiene rubber Synthetic cis-butadiene rubber BR-1243 Nd is a product of polymerization of butadiene in solution in the presence of neodymium catalyst; 1,4-cis — at least 97%; polydispersity — no more 2.85. The polymer is stabilized by non- staining antioxidant and contains no nitrosamines or substances that may be a source of nitrosamines.

Polymer Name: Styrene Butadiene Random Copolymer

End Uses: Belts & Belt Repair, Cables, Conveyors, Footwear, Hoses, Tires

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

CAS No.
110553 - 27 - 0
Technologies

Features & Benefits

Labeling Claims

Applications & Uses

Properties

Color
Physical Form
Appearance
Bale of white to beige color
Typical Properties
ValueUnitsTest Method / Conditions
Antioxidant0.2 - 0.4
Ash Contentmax. 0.5wt%ASTM D 5667
Mooney Viscosity (UML 1+4, 100°C)44 ± 5ASTM D 1646
Tensile Strengthmin. 16.8MPaASTM D 412, ASTM D 3189
Tensile Stress (at 300 % Elongation)min. 11.0MPaASTM D 412, ASTM D 3189
Ultimate Elongationmin. 360%ASTM D 412, ASTM D 3189
Volatile Matter Contentmax. 0.8wt %ASTM D 5668
Cured Properties
ValueUnitsTest Method / Conditions
Maximum Torque (MH)15.4 - 22.0dNmASTM D 5289
Minimum Torque (ML)2.0 - 3.8dNmASTM D 5289
Scorch Time (Ts´1)2.3 - 4.5MinuteASTM D 5289
Time to 90 % of Full Cure (t´ 90)5.5 - 8.5ASTM D 5289
Time to 50 % of Full Cure (t' 50)9.0 - 13.0ASTM D 5289
Note

Cured Properties - Curing characteristics of rubber compound: Rheometer MDR 2000, 160 °С, 0.5°, МН 30 min.

Mechanical Properties - Stress-strain properties in standard recipe оп ASTM D 3185 (method 1А), 145 °С х 35 min.

Regulatory & Compliance

Packaging & Availability

Packaging Type
Packaging Information
PE wrapping film (Vicat softening point ≤95°C); metal containers (1.26 MT)

Storage & Handling

Shelf Life
2 years
Storage Conditions
at the temperature not higher than 30°C, in place protected from direct sunlight and atmospheric precipitation