advantages of plastics over metals

Even now, over half a century later, many manufacturers are still not really aware of the benefits of choosing plastic parts that they can’t get from using metal parts.Plastic isn’t only extremely durable and extremely reliable; it … It is also known as the strength/weight ratio. The advantages of using plastics are that they are lightweight, water resistant, durable, strong, economical and resistant to corrosion and chemicals. Traditionally, plastic itself is often a less expensive raw material compared to metal. Nylon Buckets. Over 31,000 people in the United States are directly employed in the manufacturing of plastic bags. Indeed, engineering plastics have replaced metal in the manufacture of many different products. With the invention of new polymers, plastics are fast replacing their metal counterparts in multiple industries like automobiles, medical care, agriculture, aerospace, and hospitality. We are proud to offer several decades of injection molding experience. Polymer materials handle far better than metals in … To solve this problem plastic parts are used in conjunction with metal parts. Plastics are made out of different resins. Therefore plastic parts can not be used where high heat and thermal conductivity is required. Plastic wastage during injection molding can be reduced by using hot runner injection mold.Â. Additionally, overall part weight is reduced and the manufacturing process becomes more efficient by going with plastic over metal with minimal secondary operations needed. Plastic parts offer several universal benefits over metal, including: Can have higher tensile strength vs. many types of metal Parts designed and manufactured by Diversified Plastics offer many advantages over metal — particularly in environments with high exposure to water and chemicals or where weight and/or friction are factors. These modern plastics are also much more durable so they can resist hail and heavy snow or even flying baseballs or hockey pucks! Advantages of plastics over ceramics, glasses, and metallic materials are as follows: Plastic over ceramics: 1) Plastics denture are more preferred by doctors because ceramics dentures are less durable and have less chemical bonding with the plastic base. Pom Injection. Your email address will not be published. Requires less heat (than metal or glass) for giving a shape. The engineering team here at Custom Plastics has decades of experience in assisting companies during the design phase of projects and are experts at letting our customers know what types of designs can and cannot work for plastic extrusion and injection molding. Specifically within the lighting industry, we are seeing many manufacturers of luminaires converting their metal housing and heat sinks into single injection molded parts using modern engineering-grade polymers that have similar properties as aluminum. are used to get samples quicker. Plastics can not be used for very high and low temperature ranges. Advantages of Plastic. We use cookies to ensure that we give you the best experience on our website. Can have higher tensile strength vs. many types of metal. These advantages are quantified in Table 1.2 where, for example, it is seen that nylon has a specific gravity about one-sixth that of … Metal parts require secondary finishing operations to achieve required aesthetics and corrosion resistance. This is generally performed on the thin sheet of aluminum or thin sheet of glass or plastic. The advantages of using composites include: 1. Therefore plastic parts have a disadvantage of higher lead time compared to metal parts. The benefits of using plastics over metalshas been one of the major reasons for this growth. Here is the detailed discussion on the advantages of plastic parts over metal parts: Plastic has the advantage of higher strength to weight ratio and they are very tough in nature. But For smaller volumes Plastic Prototyping techniques are used to get samples quicker. Whereas metal parts are machined from relatively larger blocks. Additionally, overall part weight is reduced and the manufacturing process becomes more efficient by going with plastic over metal with minimal secondary operations needed. Injection molding gear. It is still a clear advantage that plastics can provide when consistent reuse occurs. In other words, many industrial applications can … Reduced part weight. Whereas machined metal parts do not require special tooling. Table 2 summarizes the advantages and disadvantages of high temperature thermoplastics over metals. The following properties of plastic make it the material of choice for making many articles: Plastics are non-reactive: Most of the metals get corroded by air and water. This plastic conversion model that the lighting industry is moving forward with can easily be applied to many industries across the globe. 1940 Lunt Avenue, Elk Grove Village, IL 60007   847-439-6770    sales@customplasticsinc.com. Some Disadvantages & Advantages of an TLC.. Improved strength: Metal grades tend to be stronger, harder, … Reduced waste. With less weight in the aircraft structure, significant operational cost savings are realized; payload yields increased, maintenance costs decreased, and gre… Other materials, like rubber, are less than ideal for making many of the things we use plastics for instead. Whereas plastics have inherent corrosion resistance properties and required aesthetic finish can be achieved during injection molding. Elk Grove Village, IL. Below, we’ll look at the advantages that plastic parts can offer over metal ones, in the right applications. What are some advantages of using plastic over metals? At Custom Plastics, Inc., we can provide in-house, value-added finishing services. Manufacturing process is very difficult to control. Therefore it helps in reducing product cost. Extremes of heat and cold can damage metal over time from continual expansion and contraction. Plastic products play a major role in … Along with so many advantages, Using plastic parts instead of metal can have following limitations as well. Plastics are not good conductors of heat. In our experience, as we talk with clients during their initial design phases, we have found there is a general lack of knowledge and many misconceptions surrounding the benefits of engineering-grade plastic resins. Therefore plastic has the advantage of manufacturing parts with negligible wastage compared to metal parts. Plastics are corrosion resistant and non-conductive in nature. With the help of our engineering team, companies are often relieved that we are able to modify and adjust part designs to maximize efficiencies and reduce secondary tooling costs that often plague companies after the initial sample run is complete. Engineering plastics have become much more commonplace in the manufacturing industry over recent years, due to possessing a number of advantages over other materials. 1. Therefore engineers are replacing metal parts with the plastic parts for various applications. 1. Plastics are more resistant to chemicals than their metal counterparts. Log in. designers across various industries are reducing product cost by incorporating plastics parts. Faster manufacturing times. Read on to learn all about it from the plastics professionals. Click this link for more details on snap joints. Plastic resins are continually evolving, becoming more suitable to accommodate modern product demands of being lightweight, durable, thermally conductive, and easy to manufacture. Plastic parts are manufactured with an injection molding process. If you are starting a new project or are looking to convert a current product from metal to plastic, please don’t hesitate to give us a call at 847.439.6770 or email us at sales@customplasticsinc.com. For example, Latest manufactured vehicles are low in weight compared to old vehicles. Plastic parts are manufactured by flowing molten plastic in the mold. We will keep updating this article on advantages and disadvantages of plastic over metal. Plastics are cheaper as compared to metals. Lower cost: Generally, plastic gears are less expensive to produce than metal gears. Advantages of plastics over ceramics, glasses, and metallic materials are as follows: Plastic over ceramics: 1) Plastics denture are more preferred by doctors because ceramics dentures are less durable and have less chemical bonding with the plastic base. Injection molding process is very difficult to control. Chemical resistance : Plastics are generally less susceptible to damage from chemicals or chemical reactions, such as oxidation or rusting, than metals. Injection molding gear rack. Therefore, it is used for making many utensils and storing various chemicals. Therefore plastic parts have a disadvantage of higher lead time compared to metal parts. Ask your question. Specific strength is a material’s tensile or compression force per unit area at the point of failure, divided by its density. injection molding. These include wear and chemical resistance. Plastic offers many advantages over metal, including cost, design, processing, and performance. Polymer parts do not require post-treatment finishing efforts, unlike metal. The type of equipment used in operations depends on the material. Additionally, new concepts have been made possible with the use of plastic parts. So how does the process of overmolding actually work? So what are the advantages of plastic products over metal products? As a rule of thumb, for the same strength, FRP will weigh approximately one seventh as much as steel, and half as much as aluminum. Although metal products still exist, many companies have switched over to plastic for various reasons. Plastics manufacturing process has advantages of Integrating assembly features in plastic parts itself. It is generally cheaper and can easily be produced in much larger quantities than metal. So they cannot be corroded easily. 2/25/15 — Ask any plastic manufacturer if a part should be designed in plastic or metal and they will give a list of reasons why plastic is always the way to go. Polymers such as plastic can be easily formed to make almost any imaginable shape and they are normally durable. Plastic parts are manufactured by flowing molten plastic in injection mold. This is particularly true when it comes to metal. One of the main advantages to using plastic as a construction material is the cost to produce and use plastics – it is less expensive than most other materials. (a) Following are the top advantages of using plastics over metals for various industrial applications: 1.) Plastic: The Advantages of Plastic in Design For years, companies have been debating the use of metal vs. plastic parts. This process has an advantage of manufacturing complex features, geometries and integrating multiple metal parts in one plastic part. How designers across multiple industries are reducing costs and increasing profits by incorporating plastic instead of metal in new product designs. The advantages of using composites over metals highly depend on the application. Log in. Below is a specific gravity (kg/dm3) comparison of a few common metals compared to commonly used plastic resins: Although part weight reduction can be attributed to a large portion of cost savings for companies, plastic parts also generally cost less than their metal counterparts. Below is a diagram released by PolyOne® Distribution highlighting the ability of being able to reduce the overall parts of a luminaire by converting to plastic. Let’s discuss above disadvantages of plastic parts over metal in detail: Plastics have a disadvantage of higher injection molding tool development cost. 2. Companies are constantly dealing with tight margins and increasingly competitive marketplaces which puts an enormous amount of pressure on engineering teams trying to develop new products that are both cost-effective and of sound design. jainam76 jainam76 04.06.2019 Chemistry Secondary School +5 pts. It’s even been used to create bullet proof vests that are stronger and lighter than some of the other materials they’ve been … High temperature plastics also provide weight savings in many applications (e.g., automotive) and as a … Tolerance Stackup Analysis : Worst Case ... Heat Sink Thermal Resistance and Size Ca... Best CNC Router and Desktop CNC Machines... Best 3D Rendering Software for Beginners... Superior Design Flexibility (Integrating multiple parts into one part). AIP explains the advantages of using plastics over metals in our infographic below, with special emphasis on how each industry benefits from using polymers. Plastic over metal- Molding of a plastic substrate on top of a metal cast/part. Advantages of Plastic over Metal When we talk about replacing metal parts with plastics. Polymer and composite materials are up to ten times lighter than typical metals. The production of most plastic products is not energy intensive compared to metals, glass and paper. They have higher life dependency. Generally speaking, the main benefits of using composites are: 1. For industries that need designing options, geometry and different kinds of textures, plastics are going to be the most suited materials. Assembly features such as snap are used to join plastic parts. What was missing from the article, and from Dietrich's report, was commentary on the substantial economic and health benefits that come from the use of plastic pipe over conventional metal pipes. Plastic products play a major role … The production of most plastic products is not energy intensive compared to metals, glass and paper. Remote controls, computers, TVs, kitchen appliances – you name it and chances are it’s made of plastic. Please add your comments, questions or suggestions on advantages and limitations of injection molded plastic parts in the comment box. This low weight means much less raw materials and less impact on the environment if using plastics over metals. This method is used for the separation of non volatile compounds. This results in lower cost to manufacture parts from plastics over metal. Weight Advantages. Can replace wood (from chairs, furnitures and what not). Some disadvantages of using plastics are that they pollute the environment, pose a danger to wildlife, … A common property of composite materials is their light weight-to-strength ratio or “specific strength”. The manufacturing of plastic parts is budget-friendly. If you continue to use this site we will assume that you are happy with it. Plastic resins are continually evolving, becoming more suitable to accommodate modern product demands of being lightweight, durable, thermally conductive, and easy to manufacture. Resistance to a wide range of chemical agents including acid rain and salt spray, conditions under which metal parts would suffer. This results in much reduced maintenance and repair costs. Engineered polymers and plastics are continuing to replace aluminum and other metals in automobiles, with the average car interior now being made up of over 50% plastics. In Thin layer Chromatography also called (TLC) is widely used method for the separation and detection of an molecule from a given mixture of compounds.. Concepts like single-use medical examination kits which make use of sterilized plastic instruments, as well as dis… The plastics industry in the U.S. is currently the eighth-largest one presently operating. Apart from weight and cost, plastic parts have the following advantages compared to metal parts. Many plastics have exceptional weight to strength ratios, meaning that for the weight of the product they are very strong. Plastics now offer similar tensile strengths of metal, can be thermally conductive, resistant to heat and chemicals, and offer many other properties once thought of to be unique to metals. Additionally, the manufacturing process of plastic utilizes faster cycle times compared to metal, achieving lower production costs of plastic components versus metal components. Metal-based medical tools have now been replaced with plastic alternatives. New plastic materials offer strength and stiffness comparable to steel, and innovative processing capabilities allow us to machine plastic parts with tight tolerances. Plastics are produced in faster cycles than metals which helps keep manufacturing costs down as well. Over 60 years of extrusion experience, with continuous value-added features incorporated over the years. What are some advantages of using plastics over metals? It is clear to see that converting from a traditional metal luminaire system to one composed mostly of plastic dramatically reduces the amount of assembly required to create the final product. Production as feedstock strength ratios, meaning that for the weight of the things we use cookies to ensure we. The thin sheet of glass or plastic problem plastic parts have the advantages. A less expensive to produce than metal extreme temperatures and do n't hold! Or water for their ability to stand up to extreme temperatures and do n't always hold their shape water. Years dedicated to custom engineering plastics have inherent corrosion resistance comment box options, geometry and kinds. Use cookies to ensure that we give you the best experience on our website, thermal conductivity required! Is its low weight-to-strength ratio Lunt Avenue, Elk Grove Village, IL 60007 847-439-6770 sales customplasticsinc.com... Assembly time and cost,  plastic parts in the mold many types metal! 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