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Overmolding Injection Molding

Overmolding Injection Molding

ISO Class 8 Clean Room
Quality Control
Low & High Volume Manufacturing
Competitive Price
Reliability and Stability

Overmolding mold is made of overmolding injection molding process which is a special injection molding process that can combine various materials into a single part. Through mechanical and/or chemical bonding of two plastic materials, the overmolding injection molding process can be used to help product designers achieve additional functions or aesthetics that are not practical.

Here at Packson, we have over 10 years experience for making contract overmolding product and we've been working with BD, Lear for creating overmolded part which is used for medical and automotive overmolded parts.


Characteristics of Overmolding Mold

With the rapid development of mold making, overmolding mold becomes very popular for molding parts with better practicality. The followings are the characteristics of overmolding mold/overmolding injection molding:

  • Combine two materials for reaching additional function

  • Cheaper than molding separate two different materials

  • Better product properties like waterproof, shockproof, and windtight

  • Various textures feel



Advantages of Contract Overmolding Injection Mold

Overmolding injection molding may cause additional cost of operating and machine costs. However it still brings us many advantages:

  • Improve Part Performance.

    Overmolding injection molding has a strict requirement and ensures the mating of parts.

  • Decrease the part cost.

    The overmolding remove the processing of secondary operation so it will help to reduce some labor cost also overall cost.

  • Enhance Design Flexibility.

    It is feasible to design and manufacture complex assembly of multi-material parts by overmolding injection molding.



Overmolding Injection Molding Process

Packson's  quoting system enables us to make quotations quickly by our professional quotation engineer.

  • Send us your part 3D to get your mold and part quote.

  • Confirm quotation and order issues, Packson starts the overmolding mold and part order process.

  • Making DFM and create overmolding injection molding process solution.

  • Tooling design review by Packson engineers.

  • Get approval of the design, Packson start building your overmolding mold.

  • Customer checks samples for approval.

  • Part mass production begins.




Application of Contract Overmolding Mold

We use overmolding injection molding for a variety of industries.Here are some examples of application for overmolding injection molding:

  • Consumer part

    Look around you house. You can find many overmolding mold products from toothbursh to children's game parts.

  • Automotive Part

    Electronic sensors and other automobile parts made of metal and plastic or rubber materials are usually manufactured by overmolding injection molding.

  • Medical Part

    Defibrillators, medical cables and wires are usually made by overmolding injection molding and encapsulated in plastic for protecting important parts.



Part Name:Tankmulde |
Material:PP GF30 (PPH4GF3UV S103823 )  +  TPV (Santropene 121-62 M100) |
CAV:1+1
Part Name:Automotive Air Venting Door |
Material:PP+TPU |
CAV: 2+2+2
Part Name:Engine system |
Material:PP-TD20/SEBS |
CAV:2+2
Part Name:Electrical tool |
Material:PA6 GF30+PP |
CAV:2+2
Part Name: Air throttle | Material: PP+TPU
Part Name:Door Vane | Material:PP+TPU


Packson Overmolding Mold Show


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Packson - Your Injection Moulding Manufacturer
Your Expert in Injection Molding

ISO Class 8 Clean Room

Equipped with clean room and certificated with ISO 13485 and ISO 9001, we are able to hanlde your medical OEMS production.

Quality Control

We will check color, appearnce and tolerance by qulity control at every step during manufacturing process.

Low & High Volume Manufacturing

Except long run production, we also can provide better solution for your low-volume production by prototyping tooling.

Competitive Price

Our good investments in euipments and QC system help us to get greater efficiency and higher quality which decrease reject ratio. All these make us send parts to you on time with competitive cost.

Reliability and Stability

Our 24 hours|3 shifts production system help your parts get into market quickly and steadily.

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