Low-density polyethylene is made by the co-polymerization of Ethylene using olefins with longer chains. This polymer is different from LLDPE because it has long branches rather than short ones, processed at higher temperatures and pressures, and different molecular weight distribution and linear structure.
The process is operated under very high pressure (1000-3000 atm) at moderate temperatures (420-570 K). This is a radical polymerization process and an initiator, such as a small amount of oxygen, and/or an organic peroxide is used. There are about 20 branches per 1000 carbon atoms. The relative molecular mass, and the branching, influence the physical properties of LDPE. The branching affects the degree of crystallinity which in turn affects the density of the material. LDPE is generally amorphous and transparent with about 50% crystallinity. The branches prevent the molecules from fitting closely together and so it has low density.
Low-density polyethylene (LDPE) is used for making thin-film liners, wrapping film, stretching film, etc. 80% of the world’s productions go-to food packaging due to its high puncture resistance, thus increasing the food’s shelf life. It is also used in extrusion coating applications where it protects the object like containers, paper, etc.
Juice and milk cartons are made of liquid packaging board, a laminate of paperboard and LDPE (as the waterproof inner and outer layer), and often with a layer of aluminum foil (thus becoming aseptic packaging).
Low-density polyethylene (LDPE) is non-toxic non-hazards material and can be considered as material safe for contact with humans and animals. Its overexposure by short term or long term inhalation does not cause any harmful health effects. Find the industrial applications of LDPE on the Application tab.
Tradeasia is fulfilling the needs of many international and national companies by offering premium quality of the chemical products, which is prepared by professionals. We are a leading LDPE suppliers in India, Singapore, Indonesia, China, UAE, Mauritius, and other Asian and African countries that serve the purpose of many of our clients, at budget-friendly rates. Paired up with our comprehensive supply capability, We are one of the best LDPE suppliers based in South East Asia. Tradeasia International tends to make sure that the desired product is delivered within the given time frame without compromising on the quality at all.
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