Blow molded plastic bottles are produced by a technique which involves molding of plastic with the use of machine blowing procedure in order to form light weight jars, bottles and jugs. The molding process is done by blow molding technique which is used on different plastics such as PET (polyethylene terephthalate), PE (polyethylene) and HDPE (High Density Polyethylene) to obtain molded plastic bottles. This needs a multi-layer technology in order to improve product compatibility and stability and regulate moisture barrier requirements.
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Stretch blow molding, compound blow molding, extrusion blow molding and injection blow molding are few of the molding processes used to mold plastic. Out of these, extrusion blow molding is a more common yet simple process of plastic molding which includes a hot tube which contains the plastic material positioned in the mold. A molded shape is formed after air is blown from the top. The freezing of material takes place as soon as the hot tube containing the plastic reaches the mold and a rigid structure or shape is formed.
Low cost is one of the major aspects of growth of the blow molded plastic bottles market. The seven layers help in obtaining compatibility and rigidity along with stability which is a key factor driving the growth of the market. The blow molded plastic bottles have demand in the medical sector as they can be used to package medicines and maintain the quality of the medicines without them being adulterated or damaged.
The increase in the pharmaceutical products has led to an increase in the adoption of blow molded plastic bottles thereby contributing to the overall growth of the blow molded plastic bottles market. To add to this, price reduction is another important aspect. Household products like acids, phenol etc., are used on a very large scale and they require proper packaging. This is another factor contributing to the blow molded plastic bottles market growth. The cost of production is also less and wide molds can be used to prepare bottles of varying sizes.
The blow molded plastic bottles are made from different material based on the type of polymer. To name a few, materials such as polyethylene (PE), polyvinyl chloride (PVC), polyethylene terephthalate (PET), polyethylene naphthalate, low and high density polycarbonate, polypropylene (PP), butadiene-styrene and polysulfone are used. The blow molded plastic bottles are widely used in different industries such as automobile, pharmaceutical, dairy, food and beverage etc.
The major companies involved in the global blow molded plastic bottles are Alpha Packaging, Silgan Holdings, HTI Plastics, Milacron, Berry Plastics Corp., First American Plastic, Amcor Limited, Sidel, Plastipak Holdings, APEX Plastics, Graham Packaging Co., Sonoco and Streamline Plastic.
