Durable 4 Cavities PP round Bottom Cover Custom Plastic Cap Injection Mold

This custom injection mold is engineered for producing PP round bottom cover, adopted 4‑cavity (1×4) fine gate design to achieve stable mass‑production. The core and cavity are built with premium 1.2083 ESR stainless steel with hardness HRC48‑50, featuring excellent corrosion resistance and polishing performance. It is well‑suited for manufacturing high‑quality plastic bottom caps for containers, household appliances and cosmetic packaging.

Mold Key Specifications

Core Advantages

✅ High‑Grade Corrosion‑Resistant Steel1.2083 ESR electroslag remelting stainless steel extends mold service life, avoids rust risk during long‑term production with PP material.

✅ Stable 4‑Cavity Mass Production1‑out‑4 layout boosts output efficiency, lowers per‑piece production cost for large‑volume orders. Fine‑gate structure realizes automatic gate separation, reduces post‑processing labor work.

✅ Reliable Surface QualityGeneral polishing finish delivers consistent appearance for plastic bottom covers, meets standard cosmetic & household product visual requirements.

✅ Customizable SolutionWe support tailor‑made modification on cavity number, surface texture, gate type according to your drawing and actual production demands.

Application Scenarios

This injection mold is widely used to produce plastic bottom covers for cosmetic jars, daily‑use containers, small home appliance housings and storage can bases. We can also develop matching top‑cap mold to complete your full‑set product solution.

Our Service

• Custom mold design based on your samples or 3D drawings

• Strict mold flow analysis before mold manufacturing

• Full mold test & sample confirmation before shipment

• Technical support for mold installation & mass‑production

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