It’s even been used to create bullet proof vests that are stronger and lighter than some of the other materials they’ve been … In this article we will discuss various advantages and disadvantages of plastic over metal parts. We use cookies to ensure that we give you the best experience on our website. Please add your comments, questions or suggestions on advantages and limitations of injection molded plastic parts in the comment box. Advantages of Plastics are many- made from residual content of petrol/diesel, propylene and ethylene gas are the raw materials for polypropylene and polyethylene. 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. Even if you choose a fabric bag over a plastic one, you must use the reusable bag at least 40 times before you’re matching the environmental footprint of a similar plastic … Generally speaking, the main benefits of using composites are: 1. Additionally, overall part weight is reduced and the manufacturing process becomes more efficient by going with plastic over metal with minimal secondary operations needed. We are proud to offer several decades of injection molding experience. Plastic products play a major role … List the advantages of plastic over metal Get the answers you need, now! Plastic bumpers absorb shock, plastic dashboards and door panels are a little kinder on your head during a wreck, and plastic fuel tanks minimize explosion risks. Plastic products play a major role in … Although metal products still exist, many companies have switched over to plastic for various reasons. Another very distinct advantage of FRP is its low weight-to-strength ratio. Injection molding gear. Nearly any transportation-related field can also benefit by investigating the advantages of metal replacement plastics: shipping containers, railroad manufacturing, heavy trucks and RVs, aircraft applications, and more. Plastics typically come from non-renewable resources. Polyethylene Buckets. 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. Unlike metals and ceramics, polymers don't require finishing to look good and last for a long time. High temperature plastics also provide weight savings in many applications (e.g., automotive) and as a … Polymers are more resistant to chemicals than their metal counterparts. Freedom to tailor the stiffness and strength of a part by varying the thickness and fibre orientation; 2. 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. Extremes of heat and cold can damage metal over time from continual expansion and contraction. 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. Plastic over metal- Molding of a plastic substrate on top of a metal cast/part. Benefits of Plastic Over Metal. But cost and weight are not the only factor that industries are using more plastic parts in their products. Reducing overall part weight has a dramatic impact on a company’s bottom line through savings in shipping, packaging, and installation costs. Specific strength is a material’s tensile or compression force per unit area at the point of failure, divided by its density. What are some advantages of using plastic over metals? It is still a clear advantage that plastics can provide when consistent reuse occurs. The Advantages of Plastic over Metal As many industries become increasingly aware of the benefits of metal-to-plastic conversion, high-volume injection molding is quickly becoming the method of choice for part manufacture. One obvious advantage comes to mind is lower manufacturing cost and reduced weight. Other materials, like rubber, are less than ideal for making many of the things we use plastics for instead. Lighter weight: Plastics typically weigh less than metals of comparable dimensions. Polymer materials handle far better than metals in … Whereas plastics have inherent corrosion resistance properties and required aesthetic finish can be achieved during injection molding. Plastics are cheaper as compared to metals. With the invention of new polymers, plastics are fast replacing their metal counterparts in multiple industries like automobiles, medical care, agriculture, aerospace, and hospitality. Table 2 summarizes the advantages and disadvantages of high temperature thermoplastics over metals. Read on to learn all about it from the plastics professionals. The Advantages of Plastic over Metal. Therefore, designed plastic parts are lighter in weight compared to metal parts. 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. Required fields are marked *, Convection Calculator : Convective Heat Transfer, K-factor Calculator for Sheet Metal Bending. One obvious advantage comes to mind is lower manufacturing cost and reduced weight. The production of most plastic products is not energy intensive compared to metals, glass and paper. Therefore plastics offer advantages of eliminating secondary finish operation. Reduced part weight. The plastics industry only consumes 4% of the world’s oil production as feedstock. It is generally cheaper and can easily be produced in much larger quantities than metal. The rest is used for energy and transport. The advantages of using composites over metals highly depend on the application. But For smaller volumes Plastic Prototyping techniques are used to get samples quicker. Assembly features such as snap are used to join plastic parts. Indeed, engineering plastics have replaced metal in the manufacture of many different products. 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. Ask any metal manufacturer the same question and you will get a list of reasons why metal is superior. Your email address will not be published. Combined with it’s toughness and versatility, this makes it the go-to material for all kinds of electronics. Best CNC Router and Desktop CNC Machines for Prototyping, Best 3D Rendering Software for Beginners and Experts in 2020, Various types of Metal 3D Printer Technologies. Requires less heat (than metal or glass) for giving a shape. Plastics are corrosion resistant and non-conductive in nature. Join now. 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 resins are continually evolving, becoming more suitable to accommodate modern product demands of being lightweight, durable, thermally conductive, and easy to manufacture. Pom Injection. (a) Following are the top advantages of using plastics over metals for various industrial applications: 1.) 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 parts are manufactured with an injection molding process. The rest is used for energy and transport. Some Disadvantages & Advantages of an TLC.. 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. This low weight means much less raw materials and less impact on the environment if using plastics over metals. 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. It is generally cheaper and can easily be produced in much larger quantities than metal. Improved strength: Metal grades tend to be stronger, harder, … Different parts require different injection molds. Along with so many advantages, Using plastic parts instead of metal can have following limitations as well. Historically, metal has always been thought of as the go-to material when designing a part that needs to withstand the test of time. This results in lower cost to manufacture parts from plastics over metal. Can replace wood (from chairs, furnitures and what not). The advantages of using plastics are that they are lightweight, water resistant, durable, strong, economical and resistant to corrosion and chemicals. are used to get samples quicker. Manufacturing process is very difficult to control. If plastic parts design is not as per guidelines or process is not controlled, various Plastic injection molding defects are observed. The benefits of using plastics over metalshas been one of the major reasons for this growth. Plastics are produced in faster cycles than metals which helps keep manufacturing costs down as well. Just as the auto industry is dealing with reducing automotive weight and increasing efficiency, industries across the board are dealing with the issue of improving their part designs to outperform their competitors while reducing overall part costs. Lower cost: Generally, plastic gears are less expensive to produce than metal gears. designers across various industries are reducing product cost by incorporating plastics parts. Design Flexibility. Recycling processes can change the comparison at times. For instance, a plastic molding machine is ideal when dealing with polymers. Plastics have actually been used in cars since the 1950s, but it’s the latest innovations that are really changing the industry for the better. We will keep updating this article on advantages and disadvantages of plastic over metal. However, many polymers cannot take exposure to extreme temperatures and don't always hold their shape in water. Plastics are not good conductors of heat. Ask your question. The advantages of using composites include: 1. Plastic parts offer several universal benefits over metal, including: Can have higher tensile strength vs. many types of metal Metal parts require secondary finishing operations to achieve required aesthetics and corrosion resistance. To sum up, product designers across various industries are reducing product cost by incorporating plastics parts. So they cannot be corroded easily. Reduced manufacturing costs. Join now. When it comes to manufacturing parts and components, most companies use either plastic or metal material. Ten years dedicated to custom engineering plastics parts manufacturers +86-020-82257313 [email protected] Home; Products. Advantages of Plastic. Answered List the advantages of plastic over metal 2 See answers Injection molding gear rack. The manufacturing of plastic parts is budget-friendly. Superior design flexibility. These modern plastics are also much more durable so they can resist hail and heavy snow or even flying baseballs or hockey pucks! Lower Production Cost 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. Polymer and composite materials are up to ten times lighter than typical metals. Additionally, the manufacturing process of plastic utilizes faster cycle times compared to metal, achieving lower production costs of plastic components versus metal components. New plastic materials offer strength and stiffness comparable to steel, and innovative processing capabilities allow us to machine plastic parts with tight tolerances. Weight Advantages. If a part is too expensive for the market, it will never sell, regardless of how amazing a new part design is or how much it will change the industry it is suited for. Therefore plastic part weight and cost are less compared to metal parts. Click this link for more details on snap joints. If you continue to use this site we will assume that you are happy with it. Resistance to a wide range of chemical agents including acid rain and salt spray, conditions under which metal parts would suffer. Plastics are made out of different resins. 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. 2. Therefore it helps in reducing product cost. Over 31,000 people in the United States are directly employed in the manufacturing of plastic bags. Apart from weight and cost, plastic parts have the following advantages compared to metal parts. Click this link for more details on snap joints. Therefore plastic has the advantage of manufacturing parts with negligible wastage compared to metal parts. Therefore plastic parts have a disadvantage of higher lead time compared to metal parts. Below, we’ll look at the advantages that plastic parts can offer over metal ones, in the right applications. Because various metal parts in old vehicles are replaced with plastic parts. Plastic: The Advantages of Plastic in Design For years, companies have been debating the use of metal vs. plastic parts. Therefore, it is used for making many utensils and storing various chemicals. Plastics manufacturing process has advantages of Integrating assembly features in plastic parts itself. 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. But plastics do not react with air or water. 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. Polymer parts do not require post-treatment finishing efforts, unlike metal. Therefore engineers are replacing metal parts with the plastic parts for various applications. So how does the process of overmolding actually work? Metals generally provide the following advantages over plastic fabrication: Heat resistance: Metals typically have a higher melting-point and are less likely to degrade under elevated temperatures. Remote controls, computers, TVs, kitchen appliances – you name it and chances are it’s made of plastic. This method is used for the separation of non volatile compounds. But cost and weight are not the only factor that industries are using more plastic parts in their products. When we talk about replacing metal parts with plastics. Advantages of Plastic over Metal When we talk about replacing metal parts with plastics. Nylon Buckets. Whereas machined metal parts do not require special tooling. AIP explains the advantages of using plastics over metals in our infographic below, with special emphasis on how each industry benefits from using polymers. Over 60 years of extrusion experience, with continuous value-added features incorporated over the years. So what are the advantages of plastic products over metal products? Plastics of the following advantages over metals: Plastics are highly flexible as compared to metals. jainam76 jainam76 04.06.2019 Chemistry Secondary School +5 pts. Therefore plastic parts can not be used where high heat and thermal conductivity is required. 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. As a result product assembly time and cost is reduced. Faster manufacturing times. This process has an advantage of manufacturing complex features, geometries and integrating multiple metal parts in one plastic part. Log in. Additionally, new concepts have been made possible with the use of plastic parts. 1. 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 … Some disadvantages of using plastics are that they pollute the environment, pose a danger to wildlife, … Plastics are more resistant to chemicals than their metal counterparts. injection molding. Without extensive and costly secondary finishes and coatings, metals are easily attacked by many common chemicals. 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 … For industries that need designing options, geometry and different kinds of textures, plastics are going to be the most suited materials. Even with these gains on the auto front by metal makers, plastics continue their onslaught onto the automakers' components menu. In addition to lower raw material and manufacturing costs, working with plastic allows product designers to incorporate multiple part components into a single mold or extrusion, reducing assembly costs and increasing the overall durability of the final product. Elk Grove Village, IL. Metal-based medical tools have now been replaced with plastic alternatives. Traditionally, plastic itself is often a less expensive raw material compared to metal. Plastic offers many advantages over metal, including cost, design, processing, and performance. Properties like lightweight, durability, thermal conductivity, faster manufacturing, etc are some key advantages of using plastics over metals. Easy adherence to various regulatory compliances. 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. Can have higher tensile strength vs. many types of metal. Many plastics have exceptional weight to strength ratios, meaning that for the weight of the product they are very strong. 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.. You can expect 25 to 30% cost saving with metal-to-plastic conversion. The plastics industry only consumes 4% of the world’s oil production as feedstock. For example, Latest manufactured vehicles are low in weight compared to old vehicles. Plastic resins are continually evolving, becoming more suitable to accommodate modern product demands of being lightweight, durable, thermally conductive, and easy to manufacture. This is the main reason that plastic is commonly used in construction. How designers across multiple industries are reducing costs and increasing profits by incorporating plastic instead of metal in new product designs. 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. However, over the last sixty years there have been major advancements in the field of plastic engineering leading to new engineering-grade plastic resins that are continuously outperforming metal in industries across the board. Metal vents, whether they are aluminium or galvanized, are prone to corrosion in wet environments especially if damaged. 1. It is also known as the strength/weight ratio. These include wear and chemical resistance. The production of most plastic products is not energy intensive compared to metals, glass and paper. The automotive industry is a perfect example of this struggle – the federal government has established new standards requiring that by 2025 automotive brands must average 54.5 MPG throughout their consumer vehicle line-up for cars and light trucks; a daunting task for automotive designers who have to redesign their vehicles with materials that are cost effective, just as durable as their metal counterparts, but weigh significantly less. In composite fiber laminate applications, tenacity is the usual measure of specific strength. 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). Plastics can not be used for very high and low temperature ranges. 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. 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. Light weight in plastics is due to three factors: low density, reasonably high strength, and ability to be molded or extruded in thin-walled shapes. Chemical resistance : Plastics are generally less susceptible to damage from chemicals or chemical reactions, such as oxidation or rusting, than metals. Whereas metal parts are machined from relatively larger blocks. Certainly there will always be a need for metal, but for many industrial and consumer markets, plastic is becoming the material of choice for many convincing reasons, and the most important of which is cost reduction. Our ISO 9001 Quality System assures repeatability, conformance, and continuous improvement. The, 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, 1940 Lunt Avenue, Elk Grove Village, IL 60007. Polymers such as plastic can be easily formed to make almost any imaginable shape and they are normally durable. This plastic conversion model that the lighting industry is moving forward with can easily be applied to many industries across the globe. Injection molding process is very difficult to control. 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. This is generally performed on the thin sheet of aluminum or thin sheet of glass or plastic. At Custom Plastics, Inc., we can provide in-house, value-added finishing services. In other words, many industrial applications can … Plastics offer various advantages compared to metal parts while fulfilling all functional requirements. Engineering plastics have become much more commonplace in the manufacturing industry over recent years, due to possessing a number of advantages over other materials. 1940 Lunt Avenue, Elk Grove Village, IL 60007   847-439-6770    sales@customplasticsinc.com. Therefore plastic parts have a disadvantage of higher lead time compared to metal parts. Lower electrical and thermal conductivity. Lower cycle time helps in reducing plastic part manufacturing cost compared to metal parts. This material is non-corrosive, tough and flexible, which makes polyethylene perfect for free-flowing product applications. Plastic parts are manufactured by flowing molten plastic in the mold. 1. Plastic wastage during injection molding can be reduced by using hot runner injection mold.Â. In a recent "Automotive Plastics Report," Market Search, Inc., Toledo, OH, identified five areas in which plastics suppliers will find strong opportunities over the next five years: 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. To solve this problem plastic parts are used in conjunction with metal parts. What are some advantages of using plastics over metals? 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