How to Select a Plastic Injection Mold for Your Resin, Tolerance, and Output Needs

Choosing a plastic injection mold starts with the part requirements: resin type, dimensional tolerances, surface appearance, and anticipated production volume. The listed custom mold supports ABS, PC, and PP, with a stated precision tolerance of ±0.02 mm. Single- and multi-cavity options are available, and the stated mold life ranges from 50,000 to 800,000 shots. Check each specification against the part design and production plan before committing to tooling.

Start with the Part Requirements

Resin and dimensional accuracy

The product information identifies ABS, PC, and PP as compatible materials. If your part uses another resin, compatibility is not established by the available specifications and should be confirmed separately. Compare the part drawing with the listed ±0.02 mm precision tolerance, and clarify project-specific measurement requirements.

Tool material and surface finish

Listed mold materials include P20, 718H, and 1.2738. Available surface treatments include polishing, texture, and matte finishes. Review these options in relation to the resin, part geometry, and required appearance, then specify the desired finish for the project.

Plan the Mold Around Production

The mold can be built with a single cavity or multiple cavities. The product data does not define a volume threshold or recommend a cavity count for a particular output, so confirm the configuration for the required production rate and project conditions.

Use the stated service life of 50,000 to 800,000 shots as an initial planning range, and verify the expected life for the intended application. The listing also gives a 20–35 day delivery time and a minimum order quantity of one set. Mold trial testing, dimensional inspection, and a full check before shipment are included in the stated process; align the inspection scope and schedule with your project needs.

Specification Checklist

Company and Application Information

Reported application examples include consumer electronics housings and household appliance components. The company also cites projects involving a handheld-device electronic housing mold and a double-shot overmolding mold for a consumer electronics shell.

Longterm Manufacturing Solutions Limited was founded in 2010 and provides mold design, tooling, precision machining, mold manufacturing, and parts production. Its company profile lists 50 employees and a 2,000 sqm factory area. The R&D team is described as working on mold design, precision machining, sample verification, and process optimization. The company lists ISO 9001:2015 certification for the design, manufacture, and sale of precision molds, and the sale of plastic products.

Frequently Asked Questions

Before You Order

Review the resin, tolerances, surface finish, cavity layout, and estimated shot count before placing an order. The company lists OEM custom mold making and mold development with plastic injection mass production. Its stated minimum order is one set. For project-specific technical support, contact rogerluo@longterm-mold.com.

About Longterm Manufacturing Solutions Limited

Longterm Manufacturing Solutions Limited serves international customers with mold design, tooling, precision machining, mold manufacturing, and parts production. Founded in 2010, the company profile reports a 50-person team and a 2,000 sqm factory. Its reported cooperation cases span consumer electronics, home appliances, and industrial equipment, and its certification information includes ISO 9001:2015.