SBS 7321 Suppliers, SBS 7321 Manufacturers.
SBS?is?a?kind?of?linear?(or?star)?block?copolymer?which?is?made?from?styrene?and?butadiene?by?polymerization.
Test?Items |
Unit |
Brand?and?Indicators?[1] |
||||
JH-7301 |
JH-7401 |
JH-7201 |
JH-7321 |
JH-7402 |
||
Structure |
? |
Linear |
Linear |
Linear |
Linear |
Radial |
SM/BD |
? |
30/70 |
40/60 |
20/80 |
32/68 |
40/60 |
Extended?Oil |
wt% |
0 |
0 |
0 |
0 |
28-33 |
Volatile?Matter |
wt% |
≤0.7 |
≤0.7 |
≤0.5 |
≤1.0 |
≤0.5 |
Ash?Content |
wt% |
≤0.2 |
≤0.2 |
≤0.2 |
≤0.2 |
≤0.2 |
Tensile?Strength |
MPa |
≥13 |
≥26 |
??≥6.0 |
≥20 |
≥16 |
Modulus（300%） |
MPa |
≥2.0 |
≥4.0 |
??≥2.0 |
≥2.0 |
≥1.6 |
Elongation?at?break |
% |
≥680 |
≥700 |
≥700 |
≥700 |
≥1000 |
Permanent?set?after?break |
% |
??≤40 |
≤50 |
??≤40 |
≤40 |
≤40 |
Hardness |
shore?A |
65-85 |
85-95 |
63-80 |
80-90 |
62-80 |
Melt?index[2] |
g/10min |
0.5-4.0 |
0.15-4.0 |
0.5-5.0 |
4.0-10.0 |
1.0-6.0 |
Applications |
? |
? |
? |
? |
? |
? |
Sole |
? |
√ |
√ |
? |
√ |
√ |
HMPSA |
? |
√ |
√ |
√ |
??√ |
? |
TPR |
? |
? |
√ |
? |
√ |
|
Annotation：
【1】The?index?for?reference?only；
【2】Test?conditions?：200℃/5Kg；?????????????????
【3】Packaging：20KG/bag；
Company： |
Ningbo Jinhai Chenguang Chemical Corporation |
E-mail： |
chem@netsun.com |
Address： |
No.3555 Yuejintang Road, Ningbo Petrochemical Economic and Technological Development Zone, Zhejiang Province, China |
Zip Code： |
315207 |
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