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SBR,
a solution polymerized SBR, is processed with
styrene and mid-range vinyl that contains non-contaminating
and non-discoloring antioxidants. This enables
our product to sustain excellent extrusion, low
rolling resitance, wet grip characteristics.
| Grade |
Mooney
Viscosity
(Ml1+4,100 °C) |
Bound
Styrene |
Stabilizer
(%) |
Volatile
Matter (%) |
Color
& Shape |
| SB
1502 |
52 |
23.5 |
NST. |
0.50max |
LightYellowBale |
| SB
1712 |
49 |
23.5Aromatic-37.5 |
ST. |
0.50max |
DarkBrownBale |
| Grade |
ts1
(min) |
t90
(min) |
Elong
(%) |
Tensile
strength (kg/cm2) |
300%
Modulus (kg/cm2) |
Applications |
Characteristics |
| SB1502 |
3.1 |
17.5 |
min420 |
270 |
150 |
tires,
athletic
footwear, various rubber products |
optimum
process ability |
| SB1712 |
6 |
16.5 |
min570 |
230 |
90 |
tires
trade,
various industrial products |
Optimum
process ability |
| 1502
Styrene Butadiene Rubber (TYPICAL PROPERTIES
UNCOMPOUNDED) |
Bound
Styrene (%) |
23.5 |
Mooney
Viscosity ML1+4
(100°C) |
52 |
Stabilizer |
Non-Staining
Non-Discoloring |
Emulsifier |
Mixed
Soap of Rosin Acid and Fatty Acid |
Coagulant |
Salt-Acid |
Ash
Content (%) |
0.3 |
Specific
Gravity |
0.93 |
| Cured
Rubber |
|
Optimum
Cure (145°C) |
35 |
300%
Modulus (kg/cm2) |
200 |
Tensile
Strength (kg/cm2) |
315 |
Elongation
(%) |
460 |
Hardness
(JIS-A) |
69 |
Tear
Strength (B-type, kg / cm2) |
43 |
Permanent
Set (%) |
5 |
Compression
Set (70°Cx22hrs.
25% def.%) |
20 |
Rebound
(ASTM, %) |
54 |
Flex
Crack Resistance (Flexes)(2) |
12x103 |
Abrasion
Loss (cc/1000rev)(12) |
0.1 |
Heat
Build-up
T (°C) |
24 |
Note
: (1) De Mattia Flexometer: Cut Growth 2mm - 15
mm (2) Akron type Tester (3) Goodrich Flexometer
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