Co injection dripping molding 1 - What is Dripping Injection Dispensing(CO-Injection) Molding? - ZSR

What is Dripping Injection Dispensing(CO-Injection) Molding?

Dripping Injection Dispensing(co-injection) Molding is a process for making silicone multicolored products.

They allow two different silicone materials (solid silicone rubber and liquid silicone rubber) to be combined into a single products stream. Liquid silicone’s colors can be adjusted according to different customers, and the colors will do nothing to the qualities of rockery liquid silicone. When in use, we need to mix the two parts evenly according to a certain proportion first, and then carry on the vacuum processing.

This specialized process can be used to enhance product color performance and reduce cost without any penalty to cycle time or production volume.

The process of Dripping Injection Dispensing(CO-Injection) Molding?

  • Dripping the liquid silicone material on the tooling with the dripping machine.
  • Then heated the tooling and let the liquid silicone material is heated to solidify it.
  • Then put the solid silicone rubber into the tooling. Silicone is vulcanized through this process and a part is formed. While this molding process itself is somewhat slower than injection molding, it does yield quick turns on prototype or R&D parts. It also has less costly tooling upfront.

The Dripping Injection Dispensing(CO-Injection) Molding process most cost-effective production method is to create high multiple cavity tooling also.

Dripping Injection DispensingCO Injection Molding Application - What is Dripping Injection Dispensing(CO-Injection) Molding? - ZSR

Industries And Applications

Advantages of Dripping Injection Dispensing(CO-Injection) Molding.

Design: Multi-colored. You can get 12 colors in one product without any printed.

Flexibility: Can make the 3D show with the products.

Attraction: More attraction and cute as gifts for the kids and Women

Disadvantages of Dripping Injection Dispensing(CO-Injection) Molding.

Expensive material costs: The cost of the material and making process is more expensive than compression molding silicone.

Process complexity: Need add heat process for liquid silicone rubber before the solid silicone rubber molding

Custom Co-Injection Dripping Molding Solutions For Your Business

In Z.S.R Group, we work with your timeline and budgets for your multicolored silicone products. Our cost-effective prototypes can be populated in small production runs that align with your schedule. We work closely for achieving high-quality custom colorful silicone products for your company. Get in touch to learn more and order your custom multicolored silicone rubber products.

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About Author: Z.S.R International Group

Z.S.R International Group(Hong Kong) co., Limited,  is a one-stop supplier for molded silicone products and silicone products molding solution provider in the consumer products field. We offer OEM services from product design to Silicone products contact manufacturing. We have the capability for LSR molded silicone products, solid silicone molded products, molded silicone multi-colored products. We also can custom molded silicone, custom molded LSR, custom molded dripping injection dispensing (co-injection) silicone multi-colored products, custom tooling.