| About |
|---|
| Polybutene-1 grade PB 8340M is a random copolymer of butene-1 with low ethylene content. In blends with PE polymers, it forms a separate, but well-dispersed phase. Its primary use is as a minority blend component in the seal layer of easy-opening packaging films, produced by cast film extrusion. A typical PE blend partner for PB 8340M could be any ethylene homo-or copolymer in the melt index range of 2.0 to 8.0 g/10min. Polybutene-1 is also highly compatible with polypropylene due to its similar molecular structure, and it can be used to modify PP sealing behavior or mechanical properties such as impact strength. PB-1 crystallizes slowly and is very shear sensitive in its flow behavior. Food law compliance information about this product can be found in separate product documentation. This product is not intended for use in medical and pharmaceutical applications.&& |
| Product Description | |
|---|---|
| Supplier | LyondellBasell |
| Generic | PB |
| Material Status | Commercial: Active |
| Features | High impact resistance,Random copolymer |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.911 | g/cm³ | ISO 1183 |
| Melt Flow Rate | ISO 1133 | ||
| 190℃，10.0kg | 100 | g/10min | ISO 1133 |
| 190℃，2.16kg | 4.0 | g/10min | ISO 1133 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| fracture | 30.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| fracture | 300 | % | ISO 527-2 |
| Bending modulus | 270 | MPa | ISO 178 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Melting temperature | |||
| DSC | DSC | ||
| — | 97.0 | ℃ | DSC |
| — | 113 | ℃ | DSC |
| Process Conditions | |||
|---|---|---|---|
| Extrusion | Nominal value | Unit | Test method |
| Melt temperature | 180 to 200 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Tm2 |
| 3. Tm1 |
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