DSM produces low density polyethylene by the tubular and the autoclave reactor processes. As a result the product range covers a wide variety of densities and melt flow rates. Further it includes a large number of grades with excellent optical properties which yield firm with a high to very high clarity. Finally there is a wide variety of additives. For example, several grades contain the slip agent erucamide. Films produced from these materials have excellent surface properties and very low odour and taste levels, which is of advantage in e.g. food packaging.
| Properties | Value | Unit | Test Method |
| Polymer Properties | |||
| Melt Flow Rate | 1.9 | dg/min | ISO 1133 |
| Density | 921 | kg/m3 | ISO 1183 (A) |
| Optical Properties
Gloss (45˚) |
53 |
% |
ASTM D 2457 |
| Haze | 11 | % | ASTM D 1003A |
| Clarity
Formulation Level |
28 | mV | DSM method |
| Slip | 500 E | ppm | DSM method |
| Anti block | 2300 | ppm | DSM method |
| Anti oxidant – Processing aid (PPA) – | |||
| Mechanical Properties
Impact strength |
18 |
kJ/m |
ASTM D 4272 |
| Tear strength TD | 22 | kN/m | ISO 6383-2 |
| Tear strength MD | 72 | kN/m | ISO 6383-2 |
| Tensile test Yield stress TD |
11 |
MPa |
ISO R527-1 |
| Yield Stress MD | 12 | MPa | |
| Tensile Stress at break TD | 18 | MPa | |
| Tensile Stress at break MD | 32 | MPa | |
| Strain at break TD Strain at break MD Modulus of elasticity TD | >500
>100 200 |
%
% MPa |
|
| Modulus of elasticity MD | 200 | MPa | |
| Coefficient of friction Blocking | 0.1
‹ 5 |
g |
ASTM D 1894
DSM method |
| Re-Blocking | 30 | g | DSM method |
Specification: LD FILM-LALEH-L2102TN42
|
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