| About |
|---|
| SEETEC H7900 is a newly developed pellet type melt blown grade made by 5th generation catalyst and the Spheripol process. Its has a very high melt flow and very narrow molecular weight distribution, which promotes thread line continuity, reduce lint, and spins ultra fine denier fibers with high strength vs. conventional flake type melt blown grade. This polymer is well designed to control and increase the melt flow rate (between 400 to 1500) by adding the concentrated peroxide master batch into the polymer during the M/B processing. SEETEC H7900 meets the FDA requirement in the code of Federal Regulations in 21 CFR 177.1520 for food contact. Applications Ultra fine denier melt blown non-wovens,typical end use applications including diapers, sanitary napkins, oil absorbent mats, wipes, wet tissues, masks, air filtration media and medicals.&& |
| Product Description | |
|---|---|
| Supplier | LG Chemical |
| Generic | PP homopolymerization |
| Material Status | Commercial: Active |
| Features | High liquidity,Food contact compliance,Weight distribution |
| Availabilitys | North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.898 | g/cm³ | ASTM D1505 |
| Melt Flow Rate | |||
| 230℃，2.16kg | 230 | g/10min | ASTM D1238 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 29 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 110 | ℃ | ASTM D648 |
| Vicat Softening Temp | 151 | ℃ | ASTM D1525 4 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| R-level | 105 | ASTM D785 | |
| tensile strength | |||
| yield | 34.0 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | > 500 | % | ASTM D638 |
| Bending modulus | 1600 | MPa | ASTM D790 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2.0 in/min |
| 3. 1.1 in/min |
| 4. Loading 1 (10 N) |
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