Polyethylene (abbreviated PE)or polythene (IUPAC name polyethene or poly(methylene)) is the most common plastic. Polyethylenes are easy to distinguish from other plastics because they float in water. Its well-known outstanding properties are:
LDPE is defined by a density range of 0.910–0.940 g/cm3.LDPE is created by free radical polymerization.
| GRADE | APPLICATION |
|---|---|
| LDPE -Film | General purpose bag ,Shrink film, Zip bags, Foam, bubble sheet, shoe sole |
| LDPE-Lamination/Extrusion | General extrusion coating, extrusion lamination. For coating on different substrates; Aluminum foil, Paper, tarpaulin and flexible films (PET, OPP, Nylon) |
LDPE -Injection | House wares, closure, toy parts |
LLDPE is defined by a density range of 0.915–0.925 g/cm3.LLDPE has higher tensile strength than LDPE. LLDPE is used in packaging, particularly film for bags and sheets. Lower thickness may be used compared to LDPE. Cable covering, toys, lids, buckets, containers and pipe. Product examples range from agricultural films, saran wrap, and bubble wrap, to multilayer and composite films.
| GRADE | APPLICATION |
|---|---|
| LLDPE -Film | Light Medium Duty Film, Stretch film, General purpose bag , Water-quenched film for vegetable or fruit packaging, Consumer & Industrial Liners |
| LLDPE -Injection | Housewares, Very thin walled food containers, Lids, Trash can, Large Industrial Containers. |
HDPE is defined by a density of greater or equal to 0.941 g/cm3. HDPE has a low degree of branching and thus low intermolecular forces and tensile strength.
| GRADE | APPLICATION |
|---|---|
| HDPE -Film | Multi – wall Liners ,T-shirt & shopping bags, Trash/Garbage bag, Roll bag. |
| HDPE-Blow | Bottle for milk, detergent, cosmetics, lube oil and chemical; Cap for carbonated soft drink, juice, stilled water and mineral water; Ice chests and coolers , Food packaging, Pharmaceuticals, | HDPE -Yarn | Ropes & Nets, Woven Bags, Tarpaulin, Extruder & Foam Sheet etc. | HDPE –Injection | General injection parts, Household product, Office article, Bottle cap and closure, Toy, Containers , Pails |
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