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橡胶进出口网免费推广橡胶行业产品，是工厂的免薪水虚拟外贸部。橡胶进出口网的贸易赢利模式，不同于其它B2B网站的会员费赢利模式。
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橡胶进出口网免费推广橡胶行业产品，是工厂的免薪水虚拟外贸部。橡胶进出口网的贸易赢利模式，不同于其它B2B网站的会员费赢利模式。 |
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Rimpex Rubber introduces Kumho SBR, Styrene Butadiene Rubber.
Item Grade |
1500 |
1500S |
1502LL |
1502 |
1507L |
1507 |
1507H |
1712L |
1712C |
1712 |
1712H |
1721 |
1724 |
1778K |
|
Bound
Styrene(%) |
23.5
|
40.0
|
23.5 |
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Extender
Oil |
Type |
- |
Aromatic
|
Naphthenic
|
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PHR |
-
|
37.5 |
50.0 |
37.5 |
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Raw
MV (ML1+4, 100℃) |
52 |
52 |
44 |
52 |
30 |
35 |
40 |
35 |
46 |
49 |
53 |
54 |
53*7) |
46 |
|
Stabilizer
|
Staining |
Non-staining |
Staining
|
Non-Staining
|
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Emulsifier |
RosinSoap |
Mixed Soap
of Rosin Acid and Fatty Acid |
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Coagulant |
Salt-Acid
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Specific
Gravity |
0.93 |
0.93 |
0.94 |
0.94 |
0.94 |
0.94 |
0.94 |
0.95 |
0.95 |
0.95 |
0.95 |
0.97 |
0.98 |
0.92 |
|
Compounded Properties |
*1) |
2*) |
3*) |
2*) |
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Compound
MV (ML1+4, 100℃) |
82 |
81 |
75 |
80 |
60 |
64 |
71 |
52 |
59 |
63 |
65 |
68 |
60 |
57 |
|
Rheometer (160℃, ARC±1) |
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ML(1bf.in) |
15.1 |
15.6 |
14.3 |
15.4 |
11.7 |
12.3 |
12.8 |
11.1 |
12.3 |
13.5 |
13.6 |
12.7 |
12.7 |
13.5 |
|
MH(1bf.in) |
49.8 |
49.2 |
49.6 |
51.7 |
47.6 |
47.9 |
47.6 |
34.7 |
35.6 |
37.0 |
37.4 |
35.5 |
35.1 |
36.0 |
|
ts1(min)
|
4.8 |
5.1 |
4.4 |
4.5 |
4.7 |
4.2 |
4.7 |
5.9 |
6.3 |
5.8 |
6.1 |
6.5 |
6.7 |
5.7 |
|
t'50(min) |
12.8 |
11.3 |
10.5 |
9.5 |
11.6 |
10.6 |
11.6 |
10.2 |
10.6 |
9.9 |
10.7 |
11.3 |
11.5 |
11.3 |
|
t'90(min) |
22.0 |
20.1 |
19.5 |
18.0 |
20.6 |
19.5 |
20.6 |
17.6 |
18.4 |
17.2 |
18.3 |
19.0 |
19.5 |
20.0 |
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Vulcanization
Properties |
4*) |
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300%
Modulus (kgf/cm2) |
167 |
161 |
185 |
206 |
167 |
172 |
183 |
102 |
104 |
108 |
110 |
108 |
107 |
129 |
|
Tensile
Strength (kgf/cm2) |
300 |
305 |
293 |
300 |
279 |
284 |
290 |
233 |
232 |
243 |
243 |
240 |
232 |
221 |
|
Elongation(%) |
500 |
510 |
430 |
410 |
470 |
470 |
460 |
590 |
570 |
580 |
570 |
600 |
570 |
460 |
|
Hardness(Shore-A) |
72 |
72 |
72 |
72 |
71 |
71 |
71 |
63 |
63 |
63 |
63 |
65 |
66 |
60 |
|
Tear
Resistance (B-Type, kg/cm) |
54 |
54 |
50 |
52 |
50 |
50 |
51 |
41 |
42 |
42 |
43 |
44 |
44 |
45 |
|
Compression
Set (100℃×70Hrs, 25%def., %) |
51 |
52 |
47 |
49 |
50 |
51 |
52 |
53 |
51 |
50 |
49 |
50 |
50 |
53 |
|
Rebound(ASTM, %)
|
55 |
54 |
55 |
54 |
54 |
55 |
55 |
44 |
44 |
45 |
46 |
30 |
24 |
49 |
|
Flex
Crack Resistance *5) |
3×103
|
4×103 |
10×103
|
9×103 |
10×103 |
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Abrasion
Loss *6) |
0.20 |
0.20 |
0.20 |
0.20 |
0.18 |
0.19 |
0.20 |
0.14 |
0.15 |
0.14 |
0.17 |
0.19 |
0.19 |
0.15 |
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*1) SBR 100, ZnO 3, S/A 1, HAF Black (IRB#7) 50, Accelerator TBBS 1.00, Sulfur 1.75, Total : 156.75 *2) SBR 137.5, ZnO 3, S/A 1, HAF Black (IRB#7) 68.75, Accelerator TBBS 1.38, Sulfur 1.75, Total : 213.38 *3) SBR 150, ZnO 3, S/A 1, HAF Black (IRB#7) 75, Accelerator TBBS 1.50, Sulfur 1.75, Total : 232.25 *4) 145°C*35min, Press Vulcanization *5) De Mattia Flexometer : Cut Growth 2mm→15mm, Flexes *6) Akron Type Tester, cc/1000rev. *7) Unmilled |
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