Custom Injection Molding
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Get custom plastic prototypes and end-use production parts. Request for free injection molding quotes today. Receive expert DFM analysis.
- ISO 9001:2015, ISO 13485, ISO14001:2015, IATF 16949:2016 certified
- T1 sample as fast as 2 weeks
- No minimums
STEP | STP | SLDPRT | IPT | PRT | SAT files
20,000+ customers in over 120 countries & regions trust RapidDirect to manufacture their custom parts
Injection Molding Materials
ABS
Strong, durable, and impact-resistant, ABS offers excellent heat resistance and is commonly used in automotive parts, consumer electronics, and household goods. Its toughness and versatility make it a popular choice for high-demand applications.
| Color: | |
| Subtypes: | ABS Beige (Natural), ABS Black, ABS Black Antistatic, ABS Milky White, ABS+PC Black, Flame Retardant ABS Beige, Flame Retardant ABS Black. |
| Price: | $$ |
| Lead Time: | About 5 business days |
PC
Known for its exceptional strength and high impact resistance, polycarbonate also boasts excellent transparency. It’s used in safety-critical applications like bulletproof glass, eyewear lenses, and protective gear, where clarity and durability are key.
| Color: | |
| Subtypes: | Flame Retardant Transparent PC, Food Grade PC-Transparent, PC Black, PC Transparent, PC White, PC Yellowish White, PC+GF30 Black |
| Price: | $$ |
| Lead Time: | About 5 business days |
PMMA (Acrylic)
With its crystal-clear appearance and outstanding weather resistance, PMMA is ideal for outdoor displays, signage, and lighting. It’s more durable than glass and can withstand UV exposure without degrading over time.
| Color: | |
| Subtypes: | PMMA Black, PMMA Transparent, PMMA White |
| Price: | $ |
| Lead Time: | About 5 business days |
POM
POM is a high-performance plastic with excellent dimensional stability, low friction, and high strength. It’s commonly used in precision mechanical components like gears, bearings, and other high-stress parts where accuracy is critical.
| Color: | |
| Subtypes: | Dark Brown (Coffee) POM 100AF, POM Black, POM Blue, POM White |
| Price: | $$ |
| Lead Time: | About 5 business days |
PA (Nylon)
Known for its strength, flexibility, and wear resistance, nylon is used in a wide range of industrial applications, including gears, bearings, and automotive components. It also has good resistance to abrasion and friction.
| Color: | |
| Subtypes: | PA(Nylon) Blue, PA6 (Nylon)+GF15 Black, PA6 (Nylon)+GF30 Black, PA66 (Nylon) Beige(Natural), PA66 (Nylon) Black |
| Price: | $$ |
| Lead Time: | About 5 business days |
PE
Lightweight, tough, and resistant to impact, polyethylene is a versatile material used in packaging, containers, and piping. Its chemical resistance and durability make it ideal for outdoor and high-moisture environments.
| Color: | |
| Subtypes: | PE Black, PE White |
| Price: | $$ |
| Lead Time: | About 5 business days |
PEEK
Renowned for its exceptional heat resistance, mechanical strength, and chemical resistance, PEEK is commonly used in aerospace, automotive, and medical implant applications, where high performance at extreme temperatures is required.
| Color: | |
| Subtypes: | PEEK Beige (Natural) and PEEK Black |
| Price: | $$$ |
| Lead Time: | About 5 business days |
PP
Tough, chemically resistant, and lightweight, polypropylene is widely used in automotive parts, packaging, and medical devices. Its resistance to chemicals and low moisture absorption makes it suitable for many industrial applications.
| Color: | |
| Subtypes: | PP Black, PP White, PP+GF30 Black |
| Price: | $ |
| Lead Time: | About 5 business days |
HDPE
High-density polyethylene offers excellent strength-to-density ratio, impact resistance, and durability. It’s used in manufacturing bottles, corrosion-resistant piping, and plastic lumber due to its resilience in harsh environments.
| Color: | |
| Subtypes: | HDPE Black, HDPE White |
| Price: | $$ |
| Lead Time: | About 5 business days |
HIPS
High-impact polystyrene is easy to process and machine, offering good impact resistance and dimensional stability. It’s frequently used in prototyping, displays, and packaging due to its ease of molding and processing.
| Color: | |
| Subtypes: | HIPS Board White |
| Price: | $$ |
| Lead Time: | About 5 business days |
LDPE
Soft, flexible, and with excellent sealing properties, LDPE is commonly used in plastic bags, tubing, and films. Its flexibility and ease of processing make it ideal for applications requiring heat sealing or stretchability.
| Color: | |
| Subtypes: | LDPE White |
| Price: | $$ |
| Lead Time: | About 5 business days |
PBT
PBT is a rigid, heat-resistant material known for its strength and dimensional stability. It’s widely used in automotive, electrical, and electronics applications, including connectors and casings.
| Color: | |
| Subtypes: | PBT Black, PBT Milky White（Natural） |
| Price: | $$ |
| Lead Time: | About 5 business days |
PET
Strong, chemical-resistant, and moisture-resistant, PET is used in a variety of applications, including food containers, beverage bottles, and textiles. Its high strength and recyclability make it a popular choice in packaging.
| Color: | |
| Subtypes: | PET Black, PET White, PET+GF30 Black, PET+GF30 White |
| Price: | $ |
| Lead Time: | About 5 business days |
PPS
PPS provides excellent chemical resistance and heat stability, making it ideal for use in automotive, aerospace, and industrial applications. It’s used for components exposed to high temperatures and harsh chemicals.
| Color: | |
| Subtypes: | PPS Black, PPS White, PPS+GF30 Black, PPS+GF30 White |
| Price: | $$ |
| Lead Time: | About 5 business days |
PS
Lightweight and easy to machine, PS is often used for models, prototypes, and low-strength applications. Its ability to be easily molded makes it a preferred material in packaging and disposable items.
| Color: | |
| Subtypes: | PS Transparent |
| Price: | $$ |
| Lead Time: | About 5 business days |
PVC
PVC is a versatile, cost-effective material with good chemical resistance and durability. It’s widely used in plumbing, medical devices, electrical cables, and construction materials due to its strength and versatility.
| Color: | |
| Subtypes: | PVC Grey |
| Price: | $$ |
| Lead Time: | About 5 business days |
PTFE (Teflon)
Known for its excellent chemical resistance and low friction properties, PTFE is commonly used in non-stick coatings, gaskets, seals, and bearings. It performs well in extreme environments, with high temperatures and aggressive chemicals.
| Color: | |
| Subtypes: | Teflon (PTFE) Black, Teflon (PTFE) White |
| Price: | $ |
| Lead Time: | About 5 business days |
UPE
UPE is a tough, durable material with outstanding abrasion resistance. It’s typically used in high-wear applications such as lining chutes, hoppers, and conveyor systems where impact resistance is crucial.
| Color: | |
| Subtypes: | UPE Black, UPE White |
| Price: | $$ |
| Lead Time: | About 5 business days |
Injection Mold Surface Finishes
SPI A
Mirror finish with exceptional smoothness and reflectivity. Ideal for high-end consumer products, optical components, and applications requiring pristine surface quality.
Technical Specifications
| Finishing Look | High Gloss |
|---|---|
| Finishing Look SPI Finish Grades | High Gloss SPI A1, A2, A3 |
| Finishing Look Surface Roughness Ra (μm) | High Gloss SPIA1: 0.012 to 0.025 SPIA2: 0.012 to 0.025 SPIA3: 0.05 to 0.10 |
SPI B
High gloss finish with excellent surface quality and minimal visible tool marks. Perfect for automotive parts, electronics housings, and premium consumer goods.
Technical Specifications
| Finishing Look | Semi Gloss |
|---|---|
| Finishing Look SPI Finish Grades | Semi Gloss SPI B1, B2, B3 |
| Finishing Look Surface Roughness Ra (μm) | Semi Gloss SPI B1: 0.05 to 0.10
SPI B2: 0.10 to 0.15 SPI B3: 0.28 to 0.32 |
SPI C
Semi-gloss finish with good surface quality and moderate tool marks. Suitable for general purpose applications, household items, and cost-effective production runs.
Technical Specifications
| Finishing Look | Low Gloss |
|---|---|
| Finishing Look SPI Finish Grades | Low Gloss SPI C1, C2, C3 |
| Finishing Look Surface Roughness Ra (μm) | Low Gloss SPI C1: 0.35 to 0.40
SPI C2: 0.45 to 0.55 SPI C3: 0.63 to 0.70 |
SPI D
Matte finish with visible tool marks and textured appearance. Ideal for industrial applications, prototypes, and products where surface finish is not critical.
Technical Specifications
| Finishing Look | Matte |
|---|---|
| Finishing Look SPI Finish Grades | Matte SPI D1, D2, D3 |
| Finishing Look Surface Roughness Ra (μm) | Matte SPI D1: 0.80 to 1.00 SPI D2: 1.00 to 2.80 SPI D3: 3.20 to 18.0 |
Plastic Injection Molding Services for
Custom Parts
Termite Precision makes it easy to move from on-demand prototypes to production molding for high-quality, cost-effective plastic parts in days. With access to our trusted supplier network and China-based facilities equipped with 90 to 830-ton presses, we can produce parts of any size or complexity. Our capabilities include precision mold tooling, overmolding, and insert molding, all supported by expert engineering consultation. Working with a single partner from design to production speeds up lead times, improves part consistency, and gives you the flexibility to scale quickly while keeping costs under control.
- Injection Mold Tooling
Get high-quality aluminum and steel injection molds customized to your needs. We achieve tight tolerances of 0.0008 in (0.02 mm) and offer free mold flow analysis. Ideal for mass production.
- Overmolding
Overmolding is a multi-step injection molding process that bonds plastic to another component (substrate), creating an integrated, durable product. Offers color and texture options.
- Insert Molding
A subset of injection molding techniques where combines engineering plastics with pre-placed inserts in the mold cavity. It eliminates the need for fasteners.
How Does RapidDirect Injection Molding
Process Work
At Termite Precision, we make custom injection molding services simple and efficient. From online quotes to high-quality plastic injection molding and production-ready injection molded parts, our process ensures precision, speed, and reliability.
- /01 Upload Design File
Start by uploading your 3D CAD files and 2D drawings to RapidDirect's online manufacturing platform, setting the stage for precise custom molding.
- /02 Get Quote with DFM
Select materials, surface finishes, and shipping options. Receive an online injection molding quote and manufacturability feedback in one day.
- /03 Review T1 Sample
We produce a T1 sample for your approve. Check every detail to match your specifications. This step usually takes two weeks.
- /04 Production Begins
After approving the sample, we move to full-scale production, maintaining high standards of quality and precision.
- /05 Delivery
We ship your custom injection molded parts from our China injection molding facilities to your location, ready for immediate use.
- /06 Ready to Start
Start your injection molding project with RapidDirect. Experience efficiency like never before!
Injection Molding Manufacturing Network
Termite Precision’s injection molding network combines 50 advanced machines capable of 90 to 830 tons with experienced project managers to handle projects of any size or complexity. We produce plastic molded prototypes and production parts with global shipping from China’s injection molding supplier. Streamline every order with clear communication and expert guidence to keep production on schedule and meet your specifications.
Injection Molding Capabilities
Our injection molding services cover every stage, from design to delivery. We produce prototypes and large-scale parts with tight tolerances, certified quality, and quick lead times for global customers.
| Standards | Description |
|---|---|
| Standards Maximum Part Size | Description 1200×1000×500 mm |
| Standards Manimum Part Size | Description 5×5×5 mm |
| Standards Part to Part Repeatability | Description +/- 0.1 mm |
| Standards Mold Cavities | Description Single-cavity molds, multi-cavity molds, family molds |
| Standards Available Mold Types | Description Steel and aluminum molds. Production levels below 1000, 5000, 30000, and over 100000 uses |
| Standards Mold Cavity Tolerances | Description +/- 0.02 mm |
| Standards Secondary Operations | Description Mold texturing, pad printing, laser engraving, threaded inserts, and basic assembly |
| Standards Undercuts | Description Y-type, L-type undercuts |
| Standards Wall Thickness | Description 0.5 mm to 5 mm |
| Standards Draft | Description 0.5° to 2° |
| Standards Ribs/Gussets | Description 0.5 mm to 3 mm thick |
| Standards Bosses | Description Diameter 3 mm to 10 mm |
| Standards Lead Time | Description Most orders can be completed within 15 working days |
Injection Molding for Various Industries
From automotive to electronics, RapidDirect’s injection molding services deliver reliable, cost-effective solutions to fit the custom demands of each industry.
航空宇宙
自動車
ロボット工学
消費者製品
Automation
医療機器
Why Choose Us
/01
High Quality Parts
Our ISO-certified factories do in-process checks and post-production tests to make sure every custom molded part is precise and consistent, no matter how complex.
/02
Fast Lead Time
We use certified local factories and a strong supply chain to speed up product development, delivering plastic parts in as little as 2 weeks.
/03
Engineering Support
Talk to our experts with 10+ years of experience in injection molding for help with mold design, material selection, and finishes—making the whole process smoother.
Injection Molding Quality Control
We value quality from design to production. Cross-team reviews and strict controls help achieve a 90% first-pass yield for all plastic molded parts.
Mold and Pre-produdction Inspection
Proper mold design and pre-production checks are key to injection molding quality. Engineers consider part geometry, material flow, and cooling systems to guarantee smooth production. Trial molds are tested to confirm all functions work correctly, providing stable and consistent results.
In Process Quality Control
Continuous checks during production keep custom molded parts consistent. Injection machine parameters such as speed, pressure, and temperature are monitored within set limits. Regular inspections of part dimensions and appearance help detect and fix issues quickly.
Final Inspection
Completed parts undergo thorough final inspection to meet design and quality standards. Teams check dimensions, appearance, and physical properties. Precision instruments like coordinate measuring machines (CMM) and colorimeters verify that all components meet strict standards.
Applications of Injection Molding
Injection molding is huge in making a ton of products—anything from car parts to medical devices. It’s super efficient because it can produce lots of identical plastic parts with tight tolerances, all at a low cost per part. That’s why so many industries rely on it for mass production. Whether it’s a simple or complex design, it keeps quality high and production fast.
- Gears: High-tolerance, durable gears for mechanical and electronic devices.
- Housings: Strong housings for electronics, automotive parts, and industrial machines.
- Enclosures: Precise enclosures for electronics, protecting internal components.
- Handles: Ergonomic, durable handles for tools, appliances, and products.
- Caps and Closures: Efficient caps and closures for bottles, ensuring tight seals.
- Connectors: Small, intricate connectors for electrical and electronic needs.
FAQs
What’s injection molding?
Injection molding is a manufacturing process used to produce parts by injecting molten material into a mold. It is commonly used with plastics but can also accommodate metals, glasses, and elastomers. The process begins with melting the material, which is then injected under pressure into a mold cavity. Once the material cools and solidifies, the mold is opened to eject the finished part. This technique is favored for its ability to produce large volumes of identical parts with high precision, complex shapes, and excellent surface finish. Injection molding is efficient and cost-effective, particularly suitable for mass production.
What are 4 stages of injection molding?
Injection molding is a complex process that involves four key stages to create high-quality plastic parts:
- Clamping: Before the injection of the material, the two halves of the mold must be securely clamped together by the injection molding machine. This is crucial to prevent the mold from opening during injection, ensuring that the molten plastic does not escape.
- Injection: Molten plastic is injected into the clamped mold at high pressure. This stage involves packing the plastic into the mold and maintaining pressure to fill every part of the mold cavity completely.
- Cooling: After the mold is filled, the plastic begins to cool and solidify within the mold’s cavities. The cooling must be controlled to prevent defects and ensure that the part maintains proper dimensions and mechanical properties.
- Ejection: Once the part has cooled and solidified, the mold opens and an ejection mechanism pushes the completed part out of the mold. The machine is then ready to start a new cycle with the clamping of the mold for the next part.
What’s the process for injection mold making?
Our injection mold-making process includes six essential steps:
Step 1: Production Arrangement: We begin by thoroughly understanding all requirements and arranging the production details accordingly.
Step 2: DFM Report Analysis: A detailed Design for Manufacturability (DFM) report is provided free of charge. This report helps in conducting a feasibility analysis to ensure the mold will meet all specifications and quality standards.
Step 3: Production of the Mold: The mold is put into production. We provide clients with a Tooling Schedule form that outlines the entire cycle, allowing them to track the progress at any time.
Step 4: Free Sample Testing: Once the mold is produced, a sample is created and provided to the client for testing to ensure it meets the required specifications.
Step 5: Mass Production: Upon client confirmation that the sample meets all quality and functionality criteria, full-scale production commences.
Step 6: Mold Saving: After production and a thorough quality inspection, the parts are delivered. The mold is then cleaned and properly stored to maintain its condition for future production runs.
What are the typical tolerances for injection molded parts?
In injection molding, maintaining precise tolerances is essential to ensure that parts fit correctly and function as intended, avoiding potential assembly issues. At RapidDirect, we strictly adhere to the ISO 2768-c standard for general tolerances, which is commonly used across the industry for molded parts. This standard provides a range of tolerances for different features and dimensions, ensuring consistency and reliability in production. For projects requiring even stricter tolerances, we have the capability to accommodate tighter specifications, based on the unique requirements of each client’s application. This flexibility allows us to deliver precisely engineered parts that meet or exceed all expectations.
What is the minimum order qty?
At Termite Precision, we understand the diverse needs of our clients, which is why we have no minimum order requirement for our injection molding services. This flexibility allows businesses of all sizes to access high-quality molded parts, regardless of the size of their project. While we are equipped to handle orders from a single prototype to thousands of units, it’s worth noting that larger order quantities typically result in more competitive pricing. This volume discount is due to the economies of scale in production, making larger orders more cost-effective per unit. Whether your project is large or small, we are here to provide the best value and service.
How much does your injection molding service cost?
The cost of our injection molding services varies depending on multiple factors, including the size of the component, mold complexity, number of cavities, material type, and any specific post-processing requirements. Each project is unique, and we provide personalized quotes to ensure that you receive a detailed cost assessment tailored to your specific needs. This transparent pricing approach allows you to understand the financial implications before committing to the process. To get an accurate estimate, simply upload your project details on our platform, and we will analyze these factors to provide you with a comprehensive quote.
Can I get prototype parts before full-scale production?
Absolutely, Termite Precision strongly supports the development process by offering rapid prototyping services. This crucial step allows you to test and verify your designs effectively before moving into large-scale production. Prototyping is essential to identify potential issues and ensure that the design meets all functional and aesthetic requirements. By taking advantage of our prototyping services, you can make necessary adjustments early in the development cycle, saving time and costs in later stages. This approach not only enhances product quality but also ensures that the transition to full-scale production is smooth and efficient.