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SIS
SIS is a styrene-isoprene-styrene mixture of triblock copolymer and diblock copolymer produced via proprietary sequential anionic polymerization, linear structure, contains of diblock ratio about 50%. Form is porous particle with outstanding thermal stability and melt process ability,is easier to be processed and mixed than SBS,with small solution viscosity.It is with good original adhesion and good color bleeding resistance,mainly used in hot melt pressure sensitive adhesive for label and tape.
Typical Value
Polymer performance | Test method | Unit | Typical Value |
Styrene Content |
| Wt.% | 16 |
Diblock Ratio
|
| Wt.% | 50 |
Melting Flow Rate | CB/T 3680-2000 | G/10min | 10 |
Toluene Solution Viscosity[ |
| MPa .s | 700 |
Volatiles | CB/T 24131-2009 | Wt.% | 0.15 |
Ash | CB/T 4498-2013 | Wt.% | 0.1 |
Physical performance |
|
|
|
Tensile Strength | CB/T 528-2009 | MPa | 6 |
Elongation at Break | CB/T 528-2009 | % | 1300 |
Hardness | CB/T 531-2008 | Shore A | 28 |
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