| Category | Polymer , Film , Thermoplastic , Polyethylene (PE) , LLDPE , Linear Low Density Polyethylene (LLDPE), Film Grade |
| Manufacturer | Borealis |
| Trade Name | Borstar® |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Borealis Borstar® FB4230 LLDPE for Film.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 0.923 g/cc | 0.0333 lb/in³ | ISO 1183 |
| Water Vapor Transmission | 8.00 g/m²/day | 0.515 g/100 in²/day | At 38°C/90% RH; ISO 15106-2 |
| Oxygen Transmission Rate | 5000 cc/m²/day | 322 cc/100 in²/day | At 25°C/0% RH/1 bar; ASTM D3985 |
| Thickness | 40.0 microns | 1.57 mil | |
| Melt Flow | 0.40 g/10 min @Load 2.16 kg, Temperature 190 °C |
0.40 g/10 min @Load 4.76 lb, Temperature 374 °F |
ISO 1133 |
| 2.0 g/10 min @Load 5.00 kg, Temperature 190 °C |
2.0 g/10 min @Load 11.0 lb, Temperature 374 °F |
ISO 1133 | |
| High Load Melt Index | 40 g/10 min @Load 21.6 kg, Temperature 190 °C |
40 g/10 min @Load 47.6 lb, Temperature 374 °F |
ISO 1133 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Film Elongation at Break, MD | 500 % | 500 % | ISO 527-3 |
| Film Elongation at Break, TD | 750 % | 750 % | ISO 527-3 |
| Secant Modulus, MD | 0.300 GPa | 43.5 ksi | 0.05-1.05%; ASTM D882-A |
| Secant Modulus, TD | 0.350 GPa | 50.8 ksi | 0.05-1.05%; ASTM D882-A |
| Impact | 60 | 60 | Puncture Resistance, force (N); ASTM 5748 |
| Puncture Energy | 4.00 J | 2.95 ft-lb | ASTM 5748 |
| Elmendorf Tear Strength, MD | 10.19 g/micron | 258.8 g/mil | ISO 6383/2 |
| Elmendorf Tear Strength, TD | 22.93 g/micron | 582.4 g/mil | ISO 6383/2 |
| Dart Drop | 5.00 g/micron | 127 g/mil | ISO 7765/1 |
| Film Tensile Strength at Break, MD | 50.0 MPa | 7250 psi | ISO 527-3 |
| Film Tensile Strength at Break, TD | 40.0 MPa | 5800 psi | ISO 527-3 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| Melting Point | >= 124 °C | >= 255 °F | ISO 11357/03 |
| Vicat Softening Point | 104 °C | 219 °F | A (10N); ISO 306 |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Haze | 70 % | 70 % | ASTM D1003 |
| Gloss | 10 % | 10 % | ASTM D2457 |