Capabilities:

Custom Plastic Injection Molding Services

INJECTION MOLDING WITH PENINSULA PLASTICS

At Peninsula Plastics, our plastic injection molding services are engineered to deliver precision, durability, and performance. From custom inserts to complex trays and totes, we provide high-quality injection molding solutions designed to protect, support, and enhance your products throughout transportation and storage.

Our plastic injection molding capabilities enhance containers, trays, pallets, and lids by securely holding components in place. Injection molded inserts improve ergonomics, enhance the ability for trays to nest, and increase visibility when used in conjunction with robot vision systems for high volume production.

Inserts are produced using a variety of high-performance materials, based on the specific application need.

Peninsula Plastics Injection Molding Machine

Advanced Custom Injection Molding for Complex Applications

Peninsula Plastics’ injection molding capabilities don’t stop at inserts and add-ons. We also produce custom injection molded trays and totes designed for products that demand precise packaging geometries.

Our technical engineering team bases designs on accurate part capture and high-precision formability to support quality and consistency.

The result? Consistent, repeatable plastic mold injection solutions that meet tight tolerances and demanding industry standards.

Peninsula Plastics Injection Molding

THE FLEXIBILITY OF PLASTIC MOLD INJECTION

Peninsula Plastics recognizes the importance of safeguarding your goods at their most vulnerable moments, during transportation and storage. Some packaging solutions require a unique form of protection only offered through a specific combination of design input and material selection.

Our plastic injection molding services combine intelligent engineering with advanced material selection to safeguard goods during their most vulnerable stages.

Thermoplastic Polyurethane

MATERIAL SELECTION: THERMOPLASTIC POLYURETHANE (TPU)

  • Resistant to abrasion.
  • Excellent flexibility.
  • Remarkable shock absorption properties.
High-Density Polyethylene

MATERIAL SELECTION: HIGH-DENSITY POLYETHYLENE (HDPE)

  • High resistance to impact.
  • Very durable and lightweight.
  • Anti-corrosive properties.
Material Selection Polypropylene

MATERIAL SELECTION: POLYPROPYLENE (PP)

  • Rugged and resistant thermoplastic.
  • Supports structure strength and stability.
Acrylonitrile Butadiene

MATERIAL SELECTION: ACRYLONITRILE BUTADIENE STYRENE (ABS)

  • Corrosion resistant.
  • High tensile strength.
  • Great impact resistance and shock absorption.
Acrylonitrile Butadiene

DESIGN INPUT: CREATING CUSTOM SOLUTIONS

Every project begins with thoughtful engineering. Our design process is tailored to meet the unique requirements of each project.

By leveraging advanced CAD software and precision engineering, we create custom injection molding designs that ensure optimal product performance. Whether it’s enhancing structural integrity, improving ergonomics, or accommodating complex geometries, our design approach guarantees efficiency and reliability in all injection molded parts.

Injection Molded Totes & Trays

Injection molded tote with 5 items
Injection molded tote
Injection molded tote with many small items
Injection molded tote with curved items
Empty injection molded tote
Injection molded tray

LOOKING FOR A HIGH-PRECISION INJECTION MOLDED TRAY OR TOTE?

Peninsula Plastics injection molded trays and totes support complex components that demand precision.

Injection Molded Inserts

Our plastic injection molding services include a comprehensive range of injection molded inserts and add-ons designed to improve product support, stability, and usability. Available insert solutions include:

1.50″ Button

1.50″ Button

2.25″ Narrow Cup

2.25″ Narrow Cup

4.30″ Round Cup

4.30″ Round Cup

4.30″ Round Cup

5.50″ Round Cup

7.60″ Round Cup

7.60″ Round Cup

7.70″ Round Cup

7.70″ Round Cup

Half Round Cup

Half Round Cup

Inverted Round Cup

Inverted Round Cup

Round Cup

Round Cup

Wide Cup

Wide Cup

Inverted Complex Ring

Inverted Complex Ring

Inverted Ring

Inverted Ring

Ring

Ring

Ergo Slide Lock

Ergo Side Lock

Hook

Hook

Slide Lock

Slide Lock

4.00″ Bungee

4.00″ Bungee

Bracket

Bracket

Clutch Detail

Clutch Detail

Extended Bracket

Extended Bracket

Knit Stack Detail

Knit Stack Detail

L-Shape Bracket 1.0

L-Shape Bracket 1.0

L-Shape Bracket 2.0

L-Shape Bracket 2.0

L-Shape Bracket 3.0

L-Shape Bracket 3.0

Pinion Gear Holder

Pinion Gear Holder

Pinion Output Carrier

Pinion Output Carrier

Oil Pump Case 1.0

Oil Pump Case 1.0

Oil Pump Case 2.0

Oil Pump Case 2.0

Oil Pump Case 3.0

Oil Pump Case 3.0

Part Cradle

Part Cradle

Flipper

Flipper

Stack Post

Stack Post

Differential Case

Differential Case

Part Cover

Part Cover

Part Support

Part Support

Cold Plate

Cold Plate

NEED A CUSTOM INSERT ADDED TO YOUR SOLUTION?

Injection molded add-ons offer an unbeatable combination of support and protection.

Why Choose Peninsula Plastics for Plastic Mold Injection?

Peninsula Plastics combines technical expertise, advanced equipment, and proven engineering processes to deliver high-quality plastics injection molding solutions.

When you choose us, you gain:

  • Precision tooling and manufacturing
  • Consistent, repeatable quality
  • Advanced material expertise
  • Custom design capabilities
  • Industry-specific packaging solutions
  • Dedicated engineering support

Our commitment to excellence ensures that every plastic mold injection project meets your performance and durability expectations.

Get the Perfect Molded Solution for Your Industry

Our team of experts is ready to support your next project with reliable, high-performance plastic injection molding services.

FAQ: Plastic Injection Molding Services

What are plastic injection molding services?

Plastic injection molding services involve melting thermoplastic materials and injecting them into precision-engineered molds to create consistent, high-quality parts. This process is ideal for producing complex shapes at high volumes with tight tolerances.

What is the difference between custom injection molding and standard injection molding?

Custom molding involves designing molds and components tailored specifically to your product’s geometry, performance needs, and industry requirements. Standard molding typically uses pre-existing mold cavities for specific designs.

Why choose custom plastic injection molding?

Custom plastic injection molding ensures:

  • Exact fit and function
  • Enhanced structural performance
  • Improved ergonomics
  • Greater product protection
  • Optimized packaging efficiency

It allows manufacturers to solve complex design challenges with precision.

What Are the 4 Stages of Injection Molding?

The injection molding process has four main stages: clamping, injection, cooling, and ejection.

How Thick Can You Injection Mold Plastic?

The thickness of a part depends on the plastic material used, part geometry, and application requirements. However, most projects are designed with a wall thickness of 1 to 5mm.

For molds that require added strength, we may incorporate ribbing or other structural supports instead of increasing thickness. This approach maintains efficiency while delivering the durability expected from high-quality custom plastic injection molding.

What Skills Are Needed for Injection Molding?

Delivering reliable plastic injection molding services requires a combination of technical, engineering, and manufacturing expertise, including:

  • Mold design and tooling knowledge
  • Material science expertise
  • CAD and precision engineering skills
  • Process optimization and troubleshooting
  • Quality control and inspection
  • Machine operation and maintenance

At Peninsula Plastics, our experienced teams collaborate to ensure that every project meets strict quality and performance standards.

How Much Do Injection Molds Cost?

The cost depends on several factors, including mold complexity, material choice, part size and design, volume, and any finishing work required. Although tooling requires an upfront investment, injection molding is cost-effective for medium- to high-volume production. It delivers consistent results and lowers the cost per part over time.