Custom Plastic Injection Molding Capabilities
When you need dependable custom plastic injection molding backed by responsive support, E-S Plastics has the experience, equipment, and technical knowledge to support your project. We partner with manufacturers that need reliable production, tooling support, engineering input, material knowledge, and value-added services for recurring production programs.
With two Wisconsin facilities, a broad press range, vertical molding capacity, tool rooms, and ISO 9001:2015 certification, our team can produce small, mid-size, and large molded components across a range of complexities and materials. We are a particularly strong fit for manufacturers with low-mix, higher-volume molding programs and larger molded parts.
By focusing on manufacturability, material selection, process control, delivery expectations, and clear communication, we help customers move confidently from part requirements to reliable production.
Reliable Plastic Injection Molding Services for Production-Ready Parts
Our diverse array of equipment allows us to produce parts with varying sizes, complexities and materials, ensuring we can meet the specific requirements of your project. We are prepared to handle all aspects of your plastic injection molding projects with excellence and precision.
Custom Plastic Injection Molding
Our team supports recurring production programs with dependable custom plastic injection molding, broad press capacity, and vertical molding capabilities. We produce small, mid-size, and large molded components for a range of materials, applications, and production needs.
Large-Tonnage Injection Molding
With machines up to 1,000 tons, we specialize in supporting larger molded components that require higher press capacity, consistent production, and dependable molding support.
Insert Molding Services
We provide insert molding services for components that require metal inserts or other materials to be molded into the plastic part for added strength, function, or assembly efficiency.
Tooling, Tool Transfer, and Mold Support
Tool Transfer Programs
For manufacturers that need to move existing molds from another supplier, we offer a tool transfer program that follows a defined transfer process to review incoming tools, understand production requirements, and bring the work into our molding environment.
Injection Mold Maintenance
& Tool Room Support
With tool rooms at both Wisconsin facilities, we can support mold maintenance, troubleshooting, repairs, and adjustments close to the production floor.
Mold Repair
When mold issues affect part quality, cycle times, or production schedules, we can help troubleshoot and support repairs for active production molds.
Injection Mold Tooling Support
When our customers need new injection molds for production programs, we coordinate our tooling support needs with local partners and provide solutions based on the part, timeline, budget, and expected production life.
Molding Design Review
Our team can help you review molded part designs with production, manufacturability, tooling, and material considerations in mind.
Metal-to-Plastic Conversion
When the application supports it, we can help evaluate whether converting a metal component to plastic may reduce weight, lower cost, simplify assembly, or improve production efficiency.
Engineering & Technical Support
We provide engineering and technical support to help you move from part requirements to reliable production, including manufacturability review, material discussions, tooling input, and production planning.
Value-Added Services
Go beyond molding with value-added services that help complete molded components, reduce outside vendor needs, and prepare parts for the next stage of production.
Assembly
From simple sub-assemblies to more involved component assembly, we help you source more complete molded parts ready for the next stage of production.
Plastic Decorative Services
Our plastic decorative services support molded components that require branding, labeling, graphics, or finished part appearance.
Pad Printing
Pad printing supports precise part marking, branding, and graphics on molded plastic components with more complex shapes or surfaces.
Hot Stamping
Hot stamping can help add durable logos, text, or graphics to molded plastic parts when components require decoration or branding.
Sonic Welding
Sonic welding helps join plastic components together when parts require a strong, consistent bond without additional fasteners or adhesives.
Ready to Move Your Molding Program Forward?
Whether you are starting a new custom plastic injection molding project, transferring an existing tool, improving part performance, or looking for more reliable production support, E-S Plastics is ready to help you take the next step.
Our team brings together molding capacity, tooling support, engineering input, assembly, and value-added services to help you move from part needs to dependable production.
Share your project details with our team and we will review the best next steps for your program.
“E-S Plastics is a trusted supplier to Miller Electric. With full transparency and weekly update meetings, we successfully launched a major project together.”
— Nate Jochman, Principal Engineer at Miller Electric
