Your Fastest Option for Injection Molding
Quality injection-molded parts in as fast as 1-day. No minimum order quantity. Meet specs at speed with reliable, on-time delivery
Certifications ISO 9001:2015 | CTQ Inspections | ITAR
ISO 13485 certification available through Protolabs Network
Design. Quote. Done.
At Protolabs, we make it easy to move from design to molded parts quickly with automated DFM, instant quoting, and digital workflows that help you get production-quality parts in as fast as 1 day for qualifying projects. Our injection molding services are built for speed and repeatability, supported by scientific molding and in-process inspections. You also get direct guidance from our application engineers, who help refine manufacturability, materials, and tooling so you can confidently move to production.
Injection Molding at Every Stage of the Product Lifecycle
Extensive Quality Options to Meet Your Project Needs
Our industry-standard procedures and certifications guarantee quality and regulatory compliance, ensuring molded parts that pass inspection quickly and consistently.
| CMM inspection report | First Article Inspection (FAI) |
| Dimensional Inspection Report (DIR) | PPAP |
| Material Certificates + Certificate of Analysis | Conflict Minerals Reporting |
| Industry Certifications: ISO 900, AS 9100, and ISO 13485 | Certificate of Conformance (CoC) |
| Industry Certifications (via Protolabs Network): ISO 13485, ISO 14001, ISO 45001, and ISO TS16949 |
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Secondary Operations for Your Custom Parts
Choose from a wise selection of finishing options for molding that strengthen parts, improve cosmetic appearance, provide customization, and other benefits. Our secondary services ensure your molded components are ready for production with polished finishes, precise markings, and assembly-ready features.
Learn MoreInjection Molding Materials
Liquid Silicone Rubber
Liquid-form silicone processed by molding that cures into a flexible, durable, heat- and chemical-resistant elastomer, commonly used in medical devices, automotive seals/gaskets, and electronic keypads/connectors
Thermoplastics
Choose from hundreds of thermoplastics including PEEK, acetal, or supply your own material. Maintain branding with custom colorant for qualified projects.
Elastomers
Choose from several elastomeric materials for parts that need impact resistance or flexibility. Overmolding is also available for components and products with ergonomic grips, buttons, or handles.
Why Injection Molding at Protolabs?
| Automation | Protolabs utilizes AI-enabled software, automation, and standardization to create a highly repeatable, tightly controlled molding workflow that delivers fast lead times and dependable production-quality results. |
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| Speed | When you need parts fast, we can cut a new mold and deliver parts in as little as one business day. When you don't need them quote as fast, we deliver in as fast as 7 days. |
| Cost | Cost matters, and customers count on Protolabs for tooling that supports quick development and predictable budgets. Our aluminum molds offer an affordable path into production, while multi-cavity tooling lowers part costs and boosts output. |
| Reliability | Scientific method processes, automated in-line CMM inspections, FAI, and capability studies are just some of the in-process safeguards that we use to ensure high quality parts. |