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Borstar® FB4370
| Category: | PE, Unspecified , Polyethylene |
| Manufacturer: | Borealis AG |
| Trademark: | Borstar® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | 2GZqxm_Borstar-FB4370.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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Borstar FB4370 is a polyethylene grade combining excellent extrusion properties with high film stiffness. Borstar FB4370 contains antioxidant. |
| General Information | |
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| Additive |
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| Features |
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| Uses |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Density | 0.937 | g/cm³ | ISO 1183 |
| Melt Mass-Flow Rate (MFR) | ISO 1133 | ||
| 190°C/2.16 kg | 0.40 | g/10 min | ISO 1133 |
| 190°C/5.0 kg | 2.1 | g/10 min | ISO 1133 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Coefficient of Friction | 0.40 | ISO 8295 |
| Films | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Film Thickness - Tested | 40 | µm | |
| secant modulus | ASTM D882A | ||
| MD | 450 | MPa | ASTM D882A |
| TD | 540 | MPa | ASTM D882A |
| Tensile Strength | ISO 527-3 | ||
| MD | 56.0 | MPa | ISO 527-3 |
| TD | 39.0 | MPa | ISO 527-3 |
| Tensile Elongation | ISO 527-3 | ||
| MD : Fracture | 530 | % | ISO 527-3 |
| TD : Fracture | 830 | % | ISO 527-3 |
| Dart Drop Impact | 130 | g | ISO 7765-1 |
| Elmendorf Tear Strength | ISO 6383-2 | ||
| MD | 1.5 | N | ISO 6383-2 |
| TD | 10 | N | ISO 6383-2 |
| Additional Information |
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| Film properties are measured on 40 µm blown film produced on a 60 mm W&H extruder with L/D 30 and die 200 x 1,2 mm, BUR = 3:1, FLH = 2DD. |
| Extrusion | Nominal Value | Unit | |
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| Melt Temperature | 190 - 210 | °C |
| Extrusion instructions |
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| Die Gap: 1.2 to 1.5 mm |
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| Mediprene® 500584M | ELASTO | TPE | Mediprene® |
| Spartech Polycom SC5-4120H | Spartech Polycom | PP Copolymer | Spartech |
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| Andur M-22 (97% HQEE/ 3%TMP) | Anderson Development Company | PUR-Ester/MDI | Andur |
