1*2 Cavity PP Material 1.2344 HRC 48-52 Steel Pin-point Gate ISO Standard Plastic Lid Mold

This is a high-efficiency 1×2 cavity injection mold, professionally designed for mass production of plastic lids using PP (Polypropylene) material. Adopting a balanced 2-cavity layout, pin-point gate runner system, and premium 1.2344 (H13) hot work tool steel heat-treated to HRC48–52, this mold is built to ISO standards for consistent quality, long service life, and high-volume production. It is ideal for producing lids for containers, bottles, food packaging, and household products requiring tight sealing, uniform wall thickness, and smooth surface finish.
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  • 24083

  • YIXUN mold

  • 8480419090

This is a high-efficiency 1×2 cavity injection mold, professionally designed for mass production of plastic lids using PP (Polypropylene) material. Adopting a balanced 2-cavity layout, pin-point gate runner system, and premium 1.2344 (H13) hot work tool steel heat-treated to HRC48–52, this mold is built to ISO standards for consistent quality, long service life, and high-volume production. It is ideal for producing lids for containers, bottles, food packaging, and household products requiring tight sealing, uniform wall thickness, and smooth surface finish.

Mold Technical Specifications

Item Specification
Mold Configuration 1×2 balanced cavity design
Runner System Pin-point gate injection
Molding Material PP (Polypropylene)
Cavity & Core Steel 1.2344 (H13) hot work tool steel
Steel Hardness HRC 48–52 (vacuum heat-treated)
Standard Compliance ISO standard manufacturing
Application Plastic lids, container caps, bottle closures, packaging components
1.2344 HRC 48-52 Steel Pin-point Gate ISO Standard Plastic Lid Mold


Key Advantages & Features

1. 1×2 Balanced Cavity Layout for High Productivity

  • Symmetrical 2-cavity design ensures identical melt flow, pressure, and cooling for each lid.

  • Doubles output per cycle, significantly reducing unit cost and improving production efficiency.

  • Eliminates flow imbalance defects such as uneven filling, warpage, or dimensional variation between parts.

2. Pin-Point Gate Runner System: Clean & Efficient

  • The pin-point gate creates a tiny, almost invisible vestige on the lid surface, eliminating the need for secondary trimming.

  • Automatic degating during ejection supports fully automated production, saving labor and cycle time.

  • The small gate size minimizes material waste and prevents over-packing, ensuring consistent part weight and flatness.

3. 1.2344 (H13) Steel: Durability for High-Volume Production

  • 1.2344 (H13) steel is renowned for its excellent toughness, wear resistance, and thermal stability.

  • Heat-treated to HRC48–52, the mold resists abrasion, deformation, and heat checking even after millions of injection cycles.

  • High hardness maintains cavity dimensions and sealing surfaces over time, ensuring lids remain interchangeable and leak-proof.

4. ISO Standard Quality & Precision

  • Manufactured to ISO standards, the mold undergoes strict dimensional inspection, heat treatment validation, and trial molding before delivery.

  • Precision machining ensures tight tolerances on critical features like threads, sealing ribs, and tamper-evident rings.

  • Consistent quality control guarantees long-term stability, reducing downtime and maintenance costs.

5. PP Material Optimization for Lid Applications

  • PP is ideal for lids due to its low cost, chemical resistance, and good flexibility.

  • The mold is optimized to prevent common PP molding issues: sink marks, warpage, and flash on sealing edges.

  • Uniform cooling ensures flat, warp-free lids that fit containers perfectly and maintain consistent sealing performance.


Typical Applications

This mold is widely used for producing various types of plastic lids, including:
  • Food and beverage container lids

  • Household product bottle caps

  • Industrial packaging closures

  • Cosmetic and pharmaceutical container lids

  • General-purpose plastic lid components


Conclusion

The 1×2 cavity PP pin-point gate injection mold is a reliable, high-efficiency solution for mass-producing plastic lids. With its balanced 2-cavity design, durable 1.2344 steel construction, pin-point gate system, and ISO standard quality, it delivers consistent, cost-effective production of high-quality lids for a wide range of applications.


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