Polymer Fundamental

  Extrusion blow moulding is a widely used manufacturing process for producing hollow plastic parts. From everyday items like milk bottles and shampoo containers to industrial components like fuel tanks and drums, this versatile technique offers a cost-effective solution for mass production. This blog post delves into the intricacies of extrusion blow moulding, exploring its process, advantages, disadvantages, applications, and providing a specific example to illustrate its practical implementation. To know various type of blow molulding technique please click here The Extrusion Blow Moulding Process The extrusion blow moulding process involves several key steps: Melting the Plastic: Plastic resin, typically in the form of pellets or granules, is fed into an extruder. The extruder uses a rotating screw and heating elements to melt the plastic into a homogenous molten state. Extruding the Parison: The molten plastic is then forced through a die, which...

  Blow Moulding is a manufacturing process used to produce hollow plastic parts by inflating a heated plastic tube until it takes the shape of a Mould cavity. This method is particularly effective for creating products with consistent wall thickness and complex shapes. Developed in the mid-20th century, blow Moulding has become an integral part of many industries, including automotive, packaging, and agriculture. In agriculture, the process has seen significant advancements and is used for making various products, such as containers for pesticides, irrigation equipment, and even large tanks. This blog will explore the blow Moulding technique, its current practices, applications in agriculture, and future perspectives.     Blow Moulding Technique: Process and Variants   The blow Moulding process involves several steps:   1.        Parison Formation: A plastic tube, called a parison, is extruded. The parison is then pl...

Injection moulding is a manufacturing process used to produce parts by injecting molten material into a mould. It is widely used for the mass production of plastic parts, and India has become a significant player in this field due to its growing manufacturing sector. This essay explores the current practices in injection moulding in India, covering various aspects such as industry overview, technological advancements, materials used, and challenges faced by the industry.   Industry Overview   India's injection moulding industry has experienced substantial growth over the past few decades. The increasing demand for plastic products across various sectors such as automotive, electronics, healthcare, packaging, and consumer goods has fuelled this growth. The industry's expansion is also supported by favourable government policies, foreign direct investments, and the rise of domestic manufacturers.   The Indian injection moulding market is characterized by a mi...