Mark
- The package of products should have clear and firm mark.
- It includes manufactory name, product name,date of manufacture or lot number, net volume, standard number, avoid direct sunlight and rain markings of GB/T 191, etc.
Packing
- Products’ sealed package has two layers
- The inner one is black polyethylene vacuum package and the outside is carton.
Transportation
- In the transportation process, avoid insolation, rain
- Take care of products to prevent packing damage.
Storage
- Store in shade, ventilated and dry storehouse
- Avoid pile up in open air and under direct sunlight.
Security
- Styrene-butadiene rubber granule stores in vacuum package.
- It easily causes self-ignition if left untouched for long periods of time after open it, therefore, timely seal up it.
SBR POWDER
| Project | Index |
| Appearance | White Powder |
Fineness(passing rate of twenty meshes standard sieve,%) ≥ | 97 |
| Moisture content % ≤ | 2.5 |
| Molecular weight | Two hundred housand~three hundred thousand |
| Bound styrene quality score, % | 21.5~35.0 |
| Raw rubber mooney viscosity, ML(1+4)100℃ | 38~68 |
| 300%Modulus, MPa | 10~15 |
| Tensile strength, MPa ≥ | 21 |
| Elongation at break, % ≥ | 320 |
SBR GRANULE
Project | Index |
Appearance | White columnar granule |
Moisture content % ≤ | 2.5 |
Molecular weight | Two hundred thousand~three hundred thousand |
Bound styrene quality score, % | 21.5~35.0 |
Raw rubber mooney viscosity, ML(1+4)100℃ | 38~68 |
300% Modulus,MPa | 10~15 |
Tensile strength, MPa ≥ | 21 |
Elongation at break, % ≥ | 320 |


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