What are the opening hours?

Monday 7:30am - 5:30pm Tuesday 7:30am - 5:30pm Wednesday 7:30am - 5:30pm Thursday 7:30am - 5:30pm Friday 7:30am - 5:30pm Saturday 7:30am - 5:30pm

JATCO, Incorporated, Modesto, CA (2026)

09/02/2026

WHAT REALLY DETERMINES THE PRICE OF AN INJECTION MOLDED PART?

When a customer supplies the resin, you might think the material cost is removed from the equation. Well, that is not the case.

Cost for Injection molding fall into these two categories:

FIXED COSTS:
These are costs associated with getting the job ready and keeping the injection molding operation running, regardless of how many parts are produced during a particular run.

Examples include:
• Mold setup and changeover
• Process engineering
• Tooling maintenance
• Quality requirements
• Production scheduling
• Administrative overhead
• Insurance

VARIABLE COSTS:
These injection molding increase as volume increases.

Examples include:
• Machine/cycle time
• Direct labor
• Electricity & utilities
• Packaging
• Secondary operations
• Scrap material

So, what happens when YOU supply the resin?

The resin cost is removed from the molder's material charge—but the material that is supplied still affects molding processes.

Resin type, grade, melt characteristics, drying requirements, processing temperature and part weight can all influence cycle time, machine requirements, quality and overall production efficiency. This means two parts that look similar can have significantly different molding costs.

Another important factor is volume.

Higher production quantities can spread setup and other fixed costs over more parts, potentially lowering the per-part price.
Our goal is not to simply injection mold your part. It is to mold it efficiently, consistently and cost-effectively.

Do you have a project where you supply the resin? Then let’s talk about how we can help optimize your molding opportunity. Check us out: www.jatco.com and Contact Steven Ames, Director of Sales, [email protected] or 209-985-2329.

08/27/2026

Why Replace Metal Components with Injection-Molded Plastic?

When designing or redesigning a product, one paramount question is: Does this component really need to be metal?

Advances in engineering resins and plastic injection molding have made it possible to replace many metal components with high-performance plastic alternatives—often without sacrificing the part's function or purpose.

Injection molding can significantly reduce part costs, especially at higher production volumes. Once the mold is developed, parts can be produced quickly and consistently with less secondary machining.

Here are several reasons to consider making the switch:
Cost Savings:

Reduced Weight:
Plastic components weigh substantially less than metal, helping reduce shipping costs, and potentially improving overall efficiencies.

Improved Cosmetics:
Injection molding offers tremendous design flexibility. Colors can be molded directly into the part, while textures, logos, surface finishes, and complex shapes can often be incorporated during molding thus reducing or eliminating the need for painting, plating, or other secondary operations.

Engineered for Performance:
Today's wide range of commodity, engineering, and high-performance resins allows designers to select materials based on the application's specific requirements. Depending on the material, plastics can provide excellent strength, impact resistance, chemical resistance, heat resistance, wear resistance, electrical insulation, and more.

The key is selecting the right material and engineering the correct part design to perform the same function while taking advantage of the benefits plastic can offer.

We work with customers to evaluate part design, material selection, manufacturability, and injection molding alternatives to help determine when converting a metal component to plastic makes sense.

Could your metal component be a candidate for injection molding? Let us guide you: www.jatco.com. Contact Steven Ames, Director of Sales, [email protected] / 209-985-2329.

08/20/2026

We understand that when your injection molded product is intended for human contact—whether through food, medicine, or direct physical interaction—there is no room for error.

Why Do FDA-Approved Resin Matter?

Public Health & Safety: These resins undergo extensive evaluations for toxicity and reactivity. They are proven not to leach harmful chemicals into products, protecting consumers from potential contamination.

Regulatory Compliance: Using FDA-approved materials helps manufacturers meet stringent federal guidelines, significantly reducing the risk of legal issues, costly fines, or product recalls

Material Integrity: FDA-grade materials are tested for biocompatibility and chemical resistance. They are designed to harsh sterilization processes in medical settings or high-temperature cycles in food processing, without degrading.

Industries that rely heavily on these specialized materials typically include:

Food and Beverage: Injection-molded components must be non-toxic and odor-neutral. Applications include secure lids, closures for spill resistance, custom food-safe containers, and complex dispensing systems.

Medical and Pharmaceutical: Resins used here must often pass cytotoxicity and biocompatibility testing. Applications range from diagnostic lab equipment and vials to surgical tool handles, drug delivery systems, and even dental appliances.

Water Filtration: In systems where the plastic comes into contact with drinking water, FDA-approved resins ensure that no harmful substances are introduced into the water supply.

Are you ready to bring your next project to life with our precision and your safety at the forefront? Contact JATCO, Incorporated, today to discuss how our team can help you navigate material selection and optimize your production flow. Go to our website: www.jatco.com Feel free to contact Steven Ames, Director of Sales, [email protected] or 209-985-2329.

08/14/2026

When injection molded plastic parts need greater strength, stiffness, dimensional stability, and durability, glass-filled resins can make a significant difference.

Glass-filled materials such as glass-filled nylon, polypropylene, and other engineered resins incorporate glass fibers to enhance performance. They are commonly used in demanding applications including:

• Automotive components
• Agricultural equipment
• Industrial hardware
• Electrical and electronics
• Construction products
• Medical apparatuses
• Consumer and recreational products
• Plumbing and water systems
• Renewable energy / solar
• Irrigation and water delivery
• Recreational offerings
• Power tools
• HVAC

Why are glass-filled resins important?

• Increased tensile strength
• Greater rigidity
• Improved dimensional stability
• Better resistance to heat

However, glass-filled materials also require expert material selection to fit specific purposes and applications. That makes glass-filled molding particularly well suited to an experienced plastic injection molder like JATCO, Incorporated, that excels in both materials’ knowledge and the mold design.

We understand the applications, opportunities and challenges associated with engineered, glass-filled resins. Our plastic injection molding expertise helps customers evaluate material options and develop molded components that meet demanding performance requirements. From material selection mold design, production, quality control, and final assembly we bring decades of injection molding experience to your project.

Have a demanding application that requires strength without the weight of metal? Let's talk about glass-filled plastics. Contact us today: www.jatco.com. Steven Ames, Director of Sales, 209-985-2329 or [email protected].

08/07/2026

In plastic injection molding, a mold is more than just a piece of machined metal - it is a high-precision, major capital investment that is undertaken by our customers.

When a mold is in our possession, we assume a profound fiduciary and operational responsibility to protect this asset. One way we do that is to create a Planned Maintenance Schedule (PM).

A PM is a proactive, time-based routine designed to inspect, clean, lubricate, and repair injection molds before failure or excessive wear occurs. Instead of waiting for a catastrophic tool crash, a PM program treats tooling with the same systematic care as a commercial aircraft engine.

A well-planned PM typically involves the following tiered intervals:

End-of-Run (Short-Term) Care: Routine cleaning of parting lines, venting residue removal, checking for minor flash, and applying rust preventative inhibitors before putting the tool away.

Cycle-Based Milestones (e.g., every 10,000, 50,000, or 100,000 cycles): Detailed inspections involving, checking ejector pins, guide pins, and bushings for scoring or wear. Inspecting hot runner systems, nozzles, and wiring. Cleaning cooling lines to prevent scale blockages and thermal imbalances. Measuring critical tolerance dimensions to catch wear early.

Major Overhauls / Refurbishment: Deep restoration work, which may involve re-machining core/cavity surfaces, applying advanced techniques like laser welding for precision repair, or replacing fatigued springs and seals.

End of Life: A mold should be replaced It requires repeated repairs, has dimensional drift, shows visible cracks, has obsolete components, experiences cycle time increases and/or if production demand changes.

JATCO, Incorporated, is your industry leader in the custom, plastic injection molding industry. With hundreds of years of combined experience, you can trust us to make the right decisions to ensure success. Check us out today, www.jatco.com or contact Steven Ames, Director of Sales, [email protected] or 209-985-2329.

07/31/2026

When people think about mold design, they often picture a CAD model or a block of steel. In reality, great mold design begins with asking the right questions.

Before steel is ever cut, an experienced plastic injection molder should understand:

• What is the part's function and performance requirement?

• Which resin best meets the application?

• What annual production volume is expected?

• What cosmetic and dimensional tolerances are required?

• Where should the gate and parting line be located?

• How will the part cool, shrink, and release from the mold?

• What mold class provides the best long-term value?

• How can the design reduce cycle time?

• How will quality be maintained?

At JATCO, Incorporated, mold design is much more than building a tool—it's designing a manufacturing process. Our engineering, tooling, and production teams collaborate from the earliest stages, applying Design for Manufacturability (DFM) principles to improve quality, reduce cost, and ensure consistent production for years to come. From in-house tooling support and mold maintenance to automated production, quality assurance, assembly, packaging, and global distribution, we help customers think beyond the first shot and plan for the entire product lifecycle.

The best molds don't just make parts—they create long-term manufacturing success. Contact us today with your next plastic injection molding opportunity: www.jatco.com. Call our email Steven Ames, Director of Sales – 209-985-2329 or [email protected].

07/25/2026

Tariff Update: Impacts on the Domestic Plastic Injection Molding Industry

As tariff policies evolve, manufacturers are continuing to reevaluate their global supply chains and seeking ways to reduce costs, improve reliability, and minimize geopolitical risk. Increased tariffs on many imported molded components and tooling have accelerated the trend toward reshoring production, creating new opportunities for experienced domestic plastic injection molders. Although tariffs have increased costs of certain imported materials and manufacturing equipment, many OEMs are finding that the long-term benefits of producing in the United States outweigh the added costs of overseas sourcing.

For companies considering a transition back to domestic manufacturing, selecting the right injection molding partner is critical. With more than 50 years of custom plastic injection molding experience, JATCO, Incorporated, has the engineering expertise, manufacturing capacity, and project management capabilities to make that transition seamless. From product design and tooling support to production, assembly, warehousing, and global distribution, we provide a true one-stop manufacturing solution.

One area where we deliver exceptional value is tool transfer management. Many manufacturers already own molds that are producing parts overseas but need a trusted domestic partner to relocate those tools without disrupting production. Our extensive experience including tool inspections, process validation, qualification, production optimization, and establishing repeatable manufacturing processes stands ready. Whether transferring a single mold or an entire product line, JATCO, Incorporated, minimizes downtime while ensuring consistent part quality and production efficiency.

Don’t stress and waste time with other plastic injection molders. For more information on our services, check our website: www.jatco.com. You can also call or email Steven Ames, Director of Sales, 209-985-2329/ [email protected].

07/16/2026

50 Years. One Incredible Journey.

This past Saturday, July 11, we had the privilege of celebrating our 50th Anniversary. It was more than a celebration of a company—it was a celebration of the people, relationships, and shared commitment that have carried us through five remarkable decades.

Fifty years ago, JATCO, Incorporated, was founded with a simple belief: if you take care of your customers, stand behind your work, and treat people with respect, success will follow. That philosophy continues to guide us every day.

To our employees, both past and present—thank you. Your dedication, craftsmanship, and satisfaction in what you do have shaped who we are.

To our customers, thank you for believing in us. Many of you have trusted us for years—even decades. We never take that trust for granted, and we are honored to be part of your success.

To our suppliers, partners, and collaborators, thank you for standing alongside us.

Over the past 50 years, we've evolved from a custom molding company into a full-service molding partner. Today, we help bring ideas to life through engineering support, mold development, custom plastic injection molding, sustainable material solutions, assembly, packaging, warehousing, fulfillment, and direct-to-retailer shipping.

As we look around at everyone who has been part of this journey, we don't just see 50 years of business; we see 50 years of friendships, partnerships, innovation, and memories. We are humbled by how far we've come and inspired by the opportunities that lie ahead.

From all of us, thank you for being part of our story. Whether you've worked beside us, trusted us with your products, supplied our materials, or supported our mission in countless other ways, you have helped make these first 50 years possible.

Thank you for being part of our family. www.jatco.com.

07/10/2026

We recall the evolution of injection molding and tie it to our expertise as a custom, plastic injection molder in California.

Late 19th Century Origins:
Plastic injection molding began in 1872 when John and Isaiah Hyatt patented the first machine to solve an ivory shortage for billiard balls. Operating like a giant hypodermic needle, their primitive system used a hand-cranked plunger to force molten celluloid into a mold. This kickstarted a fledgling industry creating simple consumer items like buttons and hair combs. By the 1930s, safer polymers like polystyrene and PVC emerged, demanding more advanced manufacturing methods.

Wartime and the Moving Screw:
Shortages of rubber and industrial metals during World War II pushed manufacturers to adopt plastics as lightweight, affordable substitutes. Then in 1946, James Watson Hendry invented the extrusion screw injection machine. Hendry’s machine used mechanical friction to mix and heat plastic uniformly before injecting it.

The Modern State of the Industry:
Today, injection molding is a computerized, automated global enterprise governed by advanced robotics and predictive computer modeling. At JATCO Incorporated, we embody this modern reality. With over 50 years of manufacturing excellence, our capabilities reflect how far the injection molding industry has evolved.

We do more than mold quality plastic parts—we become an extension of your team. From design collaboration and material selection to precision molding, assembly, packaging, and direct-to-customer fulfillment, we provide complete manufacturing solutions under one roof.

Are you ready to see what a true injection molding partner can do for your business? Contact us today and discover why companies trust us to bring their products to life—from concept to reality. Check out our website: www.jatco.com or contact Steven Ames, our Director of Sales: [email protected] -209-985-2329.

07/03/2026

As we celebrate America's Independence Day, we want to express our sincere gratitude to the those who make our success possible.
To our incredible Team—thank you for your dedication, craftsmanship, and commitment to excellence every day.

To our valued Customers and trusted Business Partners—thank you for your continued loyalty, confidence, and collaboration. Your support has allowed us to grow, innovate, and proudly serve manufacturers across a wide range of industries. We are honored to be your custom plastic injection molder in California partner and look forward to many more years of success together.

As we commemorate this holiday, we're also proud to continue delivering the manufacturing solutions our customers depend on. JATCO, Incorporated, is your one-stop injection molding collaborator, offering product design and engineering, tooling, custom plastic injection molding, assembly, finishing, packaging, warehousing, and global distribution—all backed by over 50 years of manufacturing excellence and a commitment to quality, innovation, and customer service.

We wish everyone a safe, relaxing, and memorable Fourth of July with family and friends. Happy Independence Day from all of us at JATCO, Incorporated! Check out our website for more information on our services and capabilities: www.jatco.com. You can also contact our Director of Sales, Steven Ames: [email protected] or 209-985-2329.

JATCO, Incorporated

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Monday	7:30am - 5:30pm
Tuesday	7:30am - 5:30pm
Wednesday	7:30am - 5:30pm
Thursday	7:30am - 5:30pm
Friday	7:30am - 5:30pm
Saturday	7:30am - 5:30pm