ISO 18064 defines generic classes of commercial TPEs. There are many different manufacturers and brand names, including Teknor Apex Telcar®, Kraiburg HIPEX®, and Dynaflex™ from Avient (formerly PolyOne). Healthcare-grade TPEs are available.

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The material mentioned here refers to the material of the mold and the material of the product. Most designers are well versed in the materials of their products. Injection molding harnesses mostly thermoplastics (PEEK), and it is very affordable. For example, it can cost between $1 and $5 per kilogram. How to select the right material for injection molds is also very important.

The material loss is generally 3% -5%; The weight of materials lost during machine adjustment and the weight of normal scrapped products are generally 5000g –15000g

Despite its comparative advantages, polypropylene degrades with UV light and is extremely flammable. At temperatures above 100° C  (212° F), this injection-molded plastic dissolves into aromatic hydrocarbons, such as benzene and toluene, which are harmful to humans. Polypropylene plastic is also difficult to bond and paint.

Polystyrene plastics are lightweight, relatively inexpensive, and resistant to moisture and bacterial growth. These commodity plastics also provide good chemical resistance to diluted acids and bases and have excellent resistance to gamma radiation, which is used to sterilize medical devices.

Whether you start your injection molding for a low, medium, or high production volume, each one has its own pricing factors.

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Polycarbonate is strong, lightweight, and naturally transparent. This plastic injection molding material has excellent optical properties to support light transmission, but maintains its color and retains its strength when pigmented. Although it isn’t scratch-resistant, polycarbonate is significantly stronger than glass and is extremely durable.

The plastics discussed in this article are the most common injection molding materials — including specialty plastics and polymer blends — that Fictiv can injection mold for you.

Acrylic is a strong, clear thermoplastic that provides a lightweight, shatter-resistant alternative to glass. This injection-molded material also offers excellent optical clarity so that a high percentage of light passes through. Acrylic resists ultraviolet (UV) light and weather, and is also known as PMMA, or by its full chemical name: poly(methyl methacrylate).

There are two main types of acetal plastics: homopolymers, which provide higher hardness and tensile strength, and POM copolymers. Neither type of material can be fire-rated to a standard such as UL 94, and both experience relatively high shrinkage during injection molding. Popular brand names for POM plastics include DuPont Delrin® and Ensinger TECAFORM®.

ABS has a relatively low melting point that makes it easy to mold. This opaque polymer supports the use of colorants as well as various textures and surface finishes. Its butadiene content delivers exceptional toughness, even at low temperatures, and its styrene content imparts a shiny, attractive finish to plastic injection molded parts.

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Injection molding is a favorite technique for plastic manufacturers in the mass production of many plastic parts or components. The rise in demand for this manufacturing technology makes it a crucial factor in running the plastic industry.

Compared to other plastics, nylon provides poor resistance to strong acids and bases. Nylon is not as strong as polypropylene and can’t match polycarbonate for impact resistance. Injection molding nylon is challenging because it’s prone to shrinkage and is subject to inadequate mold filling.

The incurring of tooling costs plays a crucial role in the determination of the injection molding cost. Here are the parameters on which a whole stake in tooling costs relies.

As you have heard a lot about many misconceptions, like injection molding would be very expensive, they are not true in the fullest sense.

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If your demand is for low-volume manufacturing, go for 3D printing technology and aluminum material in order to get low costs for injection molding.

IN3DTEC rapidly delivers prototyping & scaled production on demand to help project designers and engineers accelerate new product introduction. We make excellent products from your ideas.

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Applications for polystyrene injection molding include medical, optical, electrical, and electronic applications. With its higher impact strength, HIPS is often used with appliances and equipment, while injection-molded GPPS is used in plastic toys, cases, containers, and trays.

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PE plastics come in numbered grades where higher numbers generally indicate higher densities. For example, HDPE 500 has a higher density than HDPE 300. Both grades have a higher density than LDPE, which also uses a numbering system for grades. BASF and DuPont are two of the leading suppliers of PE for engineering (as opposed to general-purpose) applications.

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Mold design for complex components demands high costs and skilled expertise. It is the outcomes that you pay for in an injection molding project.

Thermoplastic polyurethanes come in commercial, medical, and industrial grades. There are three main classes of TPU materials: polyester, polyether, and polycaprolactone. Trademarked products are available from manufacturers such as Lanxess, Lubrizol, Texin, and Ultralast.

TPE is a blend of plastic and rubber materials. It is processed like plastic but has the properties and performance of rubber. Known also as thermoplastic rubber (TPR), TPE can be stretched to moderate elongations and, upon the removal of this stress, returns to the material’s original shape. TPE can also be recycled repeatedly.

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Our trained employees ensure your parts will be delivered on time and to spec.

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And if you’re looking for help with your injection molding projects, check out our Guide to Injection Molding Production. This downloadable PDF explains what you need to know to make your next injection molding project a success.

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It is right to say that it would prove costly if you harnessed it for a small quantity of production instead of mass production.

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Mostly steel and aluminum are preferred by manufacturers. Aluminum molds are lightweight, rust- and heat-resistant, and highly formable. Steel molds are good for high production and where high durability is in demand, although they are expensive.

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Nylon is a synthetic polyamide (PA) that combines toughness and high heat resistance with high abrasion resistance, good fatigue resistance, and noise-dampening properties. Nylon isn’t inherently flame-resistant, but flame-retardant versions are available. Similarly, although nylon can be degraded by sunlight, a UV stabilizer can be added to improve outdoor performance.

Mold Trail Cost: Large and medium-sized molds can be controlled within 3%, and small precision molds can be controlled within 5%;

PE plastics include polyethylene terephthalate (PET, PETE), a material that is not defined by its density. Like LDPE, PET can be as clear as glass; however, designers can also select grades of PET or PETE with different levels of optical clarity. HDPE, LDPE, and PET all resist moisture and chemicals, but LDPE is softer and more flexible than HDPE, which is an opaque material.

Injection molding costs would be expensive or affordable; it is your choice and your tendency toward research and calculation. If you try to do your research and optimize these crucial factors in accordance with your requirements, you could minimize confusion.

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Polystyrene can be filled with glass for added strength or co-polymerized with acrylic for greater clarity and improved chemical and UV stability. Brand names include American Styrenics PolyRenew® and BASF Polystyrol®.

Unlike some plastics, acrylic can withstand exposure to water and hold tight tolerances. PMMA won’t absorb odors, but it cannot resist solvents and is easily stained by greases and oils. Although injection-molded acrylic has high tensile strength, it’s prone to stress cracking under heavy loads.

Injection-molded polycarbonate is sometimes used instead of acrylic because PC maintains its physical properties over a wider temperature range. PC requires high processing temperatures, however, which can make it more expensive to mold. With its predictable and uniform shrinkage, however, polycarbonate offers precise dimensional control for tighter tolerances.

Polyoxymethylene (POM) is an engineering plastic that is also known as acetal. It combines excellent rigidity with thermal stability and has a low coefficient of friction. This plastic material has low water absorption and good chemical resistance. In terms of appearance, POM plastics are naturally opaque and white in color.

The higher the mold cavity, the more pressurizing power and time a tool requires. As a result, the reduction in production speed increases the injection molding cost.

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The larger the part size, the bigger the injection molding machine, and the more sophisticated the mold manufacturing procedure. As a result, the higher the injection molding cost.

Steel materials and CNC machining are good for medium- and high-volume production. But manufacturing in high volume reduces the cost per part manufactured compared to medium-volume production.

If you attempt to incorporate the injection molding technique for a huge production, there is no doubt that it will bring many benefits, including cost-effectiveness as one of them.

This article unveils everything related to the calculation of the injection molding cost in order to make you knowledgeable and informed. Ready to get aware of how much injection molding costs? Be calm and stay with us.

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Wish for extreme part complexity to improve aesthetics? CNC machining can do this but bill your budget due to longer production times, longer cycle times, and the consumption of more material, ultimately resulting in higher costs.

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TPU is a type of TPE that is often called out separately because of its popularity. It has a rubber-like elasticity, and can be used as a replacement for hard rubber because of its higher durometer. Injection-molded TPU also has good load-bearing capabilities and can withstand exposure to ozone.

We exist to eliminate bottlenecks in new product development by integrating the people, processes, and platform you need to source custom parts.

This article discusses their properties, including comparisons to other materials, along with injection molding applications, grades, and brand names for each.

Polypropylene is the second most commonly used plastic in the world. It provides good chemical resistance, retains its shape after torsion or bending, has a high melting point, and won’t degrade when exposed to moisture or water. Injected molded polypro, as PP is sometimes called, is also recyclable.

With so many choices, it’s daunting to choose the right material for your project. Whether your project involves medical plastic injection molding, molded plastic components for the automotive industry, or something else, Fictiv experts are ready to help you go from design to production quickly.

Pure polypropylene is a commodity plastic with the lowest density, but high crystalline polypropylene (HcPP) is filled with glass fibers for rigidity. Semitron® from Mitsubishi Chemical Advanced Materials is a leading brand.

Applications for polyethylene injection molding may be limited to indoor applications because of their poor UV resistance. Because they are unable to withstand high service temperatures, these plastic materials may not be suitable for some processing applications. Often, injection molded polyethylene is used in products such as housewares, toys, food containers, and automotive parts.

Plastic materials for injection molding range from commonly used polymers to specialty plastics and polymer blends. There are hundreds of different plastic resins available, and they each have different end-use properties and processing requirements. Plus, there are different grades of the same plastic material, including resin types with fillers such as glass fibers or carbon fibers, and specific brand names.

Applications for acrylic injection molding include windows, greenhouses, solar panels, bathroom enclosures, and other transparent components for architectural, lighting, and outdoor applications.

Compared to TPE, TPU has superior resistance to extreme temperatures and chemicals. TPUs may be too hard for some injection molded plastic parts, and tend to cost more, in part because drying is required before processing.

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Polyethylene is the most commonly used plastic in the world and is a commercial polymer that can be selected according to its density. High-density polyethylene (HDPE) and low-density polyethylene (LDPE) both provide chemical resistance, but they differ in terms of their hardness, flexibility, melting point, and optical transparency.

Common brand names for acrylic plastics include Trinseo PLEXIGLAS®, which is available with high heat resistance, and DuPont LUCITE®, which has excellent optical clarity and transparency.

Part DFM analysis is very beneficial in terms of reducing errors and part costs and boosting productivity and efficiency. It is because it ensures that CAD design is optimized for assembly and manufacturing.

Material cost=[(1 Material loss) * Product weight * Batch adjustment loss Material weight Normal scrap rate * Product weight * Batch] * Material unit price/Batch

3D printing is the best choice for complex geometries at affordable pricing, whereas CNC machining is great for very hard complex geometries, although it would be costly. EDM machining is relevant for creating a mold from hard and conductive materials.

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In its pure form, acetals have low impact strength and a very high rate of thermal expansion. Yet, POM can be reinforced with fiberglass or minerals for improved strength and stiffness. Compounds that are reinforced with both provide an excellent balance of mechanical properties. Because injected molded POM lacks resistance to sunlight, its outdoor applications are limited.

Although it is very popular among industrialists, no one can deny that some misconceptions and facts exist about the cost of injection molding. This technology may prove expensive if you do not know how to optimize various interlinked elements and factors.

With its low coefficient of friction, injection-molded POM is used in bearings, gears, conveyor belts, and pulley wheels. Additional applications include fasteners, eyeglass frames, parts for knives and firearms, lock systems, and high-performance engineering components.

Automotive applications include weather seals and shock dust boots. Medical applications include breathing tubes, valves, catheters, and ventilation masks.

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In this way, it is very essential for you to determine the injection molding cost before the inception of your assembly line to produce products.

Compared to liquid silicone rubber (LSR), TPE is easier and less expensive to mold. Under sustained pressures, however, TPE is susceptible to creep, the tendency of a solid material to permanently deform. TPE also tends to lose its rubbery properties at higher temperatures and is significantly more expensive than other plastic injection molding materials.

Processing cost=(machine adjustment time/batch forming time/number of mold holes) * Injection molding machine worker salary

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Applications for TPU injection molding include footwear, gaskets, caster wheels, and sporting goods along with cases or enclosures for electronics and medical devices. In medical applications, TPUs are sometimes used instead of polyvinyl chloride (PVC), a plastic that may cause skin irritation.

ABS is known for its strength and impact resistance, but it lacks strong resistance to sunlight (UV), water, and weather. Compared to acrylic, injection-molded ABS is not a good choice for outdoor applications. ABS also generates significant smoke when burned and, unlike nylon, provides poor resistance to high friction.

Polycarbonate plastic can be filled with glass and is available in grades that contain a relatively small percentage of stainless steel fiber. Popular brands include SABIC Lexan®, which is available in flame-resistant versions, and Covestro Makrolon®, which has glass-like transparency.

There are two main types of polystyrene: general-purpose polystyrene (GPPS) and high-impact polystyrene (HIPS). GPPS is brittle and has less dimensional stability than HIPS, which is compounded with butadiene rubber to enhance its material properties. GPPS also has a glass-like clarity whereas HIPS is opaque.

With so many options, it helps to have an expert’s advice before choosing a plastic resin for your project. As part of our injection molding service, Fictiv has design and production experts ready to help you make the right choice, and you get design for manufacturing (DFM) feedback along with your quote.