Category | Polymer , Film , Thermoplastic , Polyethylene (PE) , LDPE , Low Density Polyethylene (LDPE), Film Grade |
Manufacturer | Braskem |
Trade Name | |
Port | Ningbo port,China |
Trade Terms | FOB, CFR, CIF |
Payment Terms | L/C, T/T, Western Union |
Download PDF | Braskem PB681 LDPE Cast and Blown Film Extrusion, Injection Molding Polyethylene.pdf |
Price | EMAIL US sales@lookpolymers.com |
Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 0.922 g/cc | 0.0333 lb/in³ | ASTM-D1505 |
Melt Flow | 3.8 g/10 min @Load 2.16 kg, Temperature 190 °C |
3.8 g/10 min @Load 4.76 lb, Temperature 374 °F |
ASTM-D1238 |
Mechanical Properties | Metric | English | Comments |
---|---|---|---|
Film Elongation at Break, MD | 370 % | 370 % | ASTM-D882 |
Film Elongation at Break, TD | 1070 % | 1070 % | ASTM-D882 |
Elmendorf Tear Strength TD | 100 g | 100 g | ASTM-D1922 |
Elmendorf Tear Strength, TD | 2.63 g/micron | 66.8 g/mil | ASTM-D1922 |
Dart Drop | 1.58 g/micron | 40.1 g/mil | ASTM-D1709 |
Dart Drop Test | 60.0 g | 0.132 lb | ASTM-D1709 |
Film Tensile Strength at Break, MD | 30.0 MPa | 4350 psi | ASTM-D882 |
Film Tensile Strength at Break, TD | 20.0 MPa | 2900 psi | ASTM-D882 |
Optical Properties | Metric | English | Comments |
---|---|---|---|
Haze | 4.0 % | 4.0 % | ASTM-D1003 |
Gloss | 120 % | 120 % | Angle 60°; ASTM-D2457 |
Processing Properties | Metric | English | Comments |
---|---|---|---|
Die Temperature | 250 - 290 °C | 482 - 554 °F | Cast Film Extrusion |
Mold Temperature | 5.00 - 25.0 °C | 41.0 - 77.0 °F | Injection Molding |
Blow-up Ratio (BUR) | 2.0 - 3.0 | 2.0 - 3.0 | Blown Film Extrusion |
Roll Temperature | 40.0 °C | 104 °F | Chill |
Descriptive Properties | Value | Comments |
---|---|---|
Screen Package | 40/60/40 | mesh, Blown Film Extrusion |
Temperature Profile (°C) | 110 | Blown Film Extrusion: 1st zone |
140 | Blown Film Extrusion: From the screw to the die | |
150 | Blown Film Extrusion: Die | |
180-220 | Injection Molding | |
180-250 | Cast Film Extrusion: Screw |