Cap Mould

Our screw cap mould is engineered for high-precision and high-efficiency production of plastic bottle caps used in water, beverage, cosmetic, and household packaging. Each mould is designed with optimised cooling channels, precise cavity alignment, and durable steel options to ensure stable moulding, short cycle time and long service life.
We support all common cap sizes such as 20/410, 24/410, 28/410, 30/25, 38mm and wide-mouth caps, with customizable cavity numbers and runner systems. The mould delivers excellent sealing performance, smooth thread finish and consistent part quality for mass production.

Key Features
● High Precision Thread Forming: Ensures smooth opening/closing and perfect sealing performance.
● Multi-Cavity High Output Design: Available from 2 to 96 cavities for large-scale production.
● Optimised Cooling System: Shorter cycle time and improved production efficiency.
● Durable Mould Steel Options:  S136, H13, 2344, 718H, P20, 4cr13, etc., for long service life and stable performance.
● Customizable Cap Sizes & Designs:  Supports water caps, beverage caps, cosmetic caps and wide-mouth caps.
● Hot Runner or Cold Runner System:  Flexible configuration based on your production needs.
● Fast Sampling & Technical Support:  Complete DFM, mould flow analysis and after-sales service.

The flip-top cap mould is designed for cosmetic, personal-care, and household chemical packaging. It features a durable hinge structure, smooth opening/closing performance and precise sealing fit. With optimized cooling channels and multi-cavity options, it ensures stable mass production and consistent cap quality.

Key Features
●Precision Hinge Structure: Provides smooth flipping performance and long-lasting hinge durability.
●Multi-Cavity High Output Design: Supports 2 to 32 cavities for efficient mass production.
●Optimized Cooling System: Reduces cycle time and enhances molding stability.
●Durable Mould Steel Options: S136, H13, 2344, 718H, P20, 4cr13, etc., for extended mould life.
●Customizable Cap Sizes & Designs: Supports cosmetic, personal-care, and household chemical packaging.
●Hot Runner or Cold Runner System: Configured based on product structure and production needs.
●Fast Sampling & Technical Support: Includes DFM, mold flow analysis, and full project support.

The tamper-evident cap mould is widely used in water, beverage, and edible oil packaging. It features a break-ring design with consistent tearing performance and strong sealing. The mould ensures stable mass production with precise thread and ring connection.

Key Features
●Reliable Break-Ring Structure: Ensures consistent tamper-evident performance and secure sealing.
●Multi-Cavity High Output Design:  Available from 8 to 48 cavities for beverage and water caps.
●Optimized Cooling System:  Shortens cycle time and enhances molding efficiency.
●Durable Mold Steel Options:  S136, H13, 2344, 718H, P20,4cr13,ect for long-term durability.
●Customizable Cap Sizes & Designs:  Supports 28mm, 30/25, 38mm, and other custom TE caps.
●Hot Runner or Cold Runner System:  Flexible configuration for different production needs.
●Fast Sampling & Technical Support:  Includes DFM, mold flow analysis, and after-sales support.

Dispensing cap moulds are used for producing plastic caps that control how liquid comes out of bottles. You’ll see them on shampoo bottles, lotion containers, cleaning products, and even some food and medical packaging. In real production, what matters most is whether the cap can open smoothly, seal properly, and dispense liquid without leaking or sticking.
In practice, many customers face issues like unstable flow, poor sealing after long-term use, or inconsistent product quality during mass production. That’s usually where mould design becomes critical. A well-built dispensing cap mould helps keep the structure stable, improves sealing performance, and makes sure every shot from the injection machine stays consistent.
We design moulds for different types of dispensing caps, including flip-top caps, screw dispensing caps, and customized flow-control designs. They are built for high-volume injection moulding, where cycle time, durability, and repeatability really matter.
If you are working on packaging development or trying to improve an existing cap design, this type of mould is usually the most practical starting point. It focuses on real production stability, not just appearance.

5-gallon bucket cap moulds are designed for producing durable plastic caps used on industrial buckets, especially 3–20L packaging like paint buckets, chemical containers, lubricant pails, and construction material packaging. In real applications, these caps are not just closures—they need to handle transport pressure, stacking weight, and repeated opening without cracking or leaking.
In production, the common problems are usually weak sealing, deformation after impact, or inconsistent fit between cap and bucket. A well-designed mould helps control wall thickness, improve structural strength, and keep dimensional stability during high-volume injection moulding.
We build bucket cap moulds for different structures such as tamper-evident caps, screw bucket lids, vented caps, and heavy-duty sealing designs. Each mould is developed for long cycle production environments where durability and repeatability are more important than appearance.
For packaging manufacturers working with industrial or chemical containers, this type of mould is a practical solution when stability, sealing performance, and long service life are required.

Industrial and oil cap moulds are used for producing plastic caps applied in engine oil bottles, lubricant containers, chemical drums, and other industrial fluid packaging. These caps may look simple, but in real use, they deal with tough conditions like long storage, temperature changes, vibration during transport, and repeated opening without losing sealing performance.
In actual production, common issues are oil leakage, poor thread engagement, and caps becoming loose after long-distance shipping. A stable mould design helps control thread precision, improve sealing consistency, and keep dimensional accuracy even in high-speed injection moulding.
We develop different structures, including screw oil caps, tamper-evident caps, anti-leak sealing caps, and industrial-grade closure designs. Each mould is built for durability and stable mass production, especially for packaging lines that require consistent performance over long runs.
For lubricant and industrial packaging manufacturers, this type of mould is not only about forming a cap, but about ensuring safe storage and reliable sealing throughout the product’s full life cycle.

Cosmetic cap and jar moulds are used for producing plastic closures and containers for skincare and beauty products, including cream jars, lotion bottles, serum packaging, and cosmetic lids. In this industry, packaging is not only about function—it also plays a big role in brand presentation and user experience.
In real production, customers often deal with issues like poor sealing for cream jars, uneven wall thickness, or caps that don’t feel “tight” enough after repeated opening. A well-designed mould helps improve dimensional accuracy, sealing performance, and surface finish consistency, especially for high-end cosmetic packaging where appearance matters as much as function.
We design moulds for different structures such as screw caps, double-wall cream jar lids, airless container caps, and decorative cosmetic closures. These moulds are built for stable high-volume production while maintaining fine surface detail and precise fitting between cap and container.
For skincare and cosmetic packaging manufacturers, this type of mould is usually used when they need both visual quality and reliable sealing in daily use—especially for mid-to-high-end product lines.

Special caps and closures moulds are used for producing non-standard or customised plastic caps with special functions, such as child-resistant caps, anti-counterfeit closures, vented caps, dual-function lids, and application-specific dispensing systems. These are typically used when standard cap designs cannot meet the requirements of product safety, usability, or brand differentiation.
In real production, the challenges usually come from complex structures and tight functional requirements. Issues like unstable assembly, weak locking performance, or inconsistent function after mass production are quite common if the mould design is not well controlled. A properly engineered mould helps balance structure complexity with stable moulding performance, ensuring each cap works reliably in real use.
We develop moulds for a wide range of special closure designs, including safety caps, flip-and-lock systems, vented industrial caps, and customised functional lids for specific packaging needs. These moulds are designed for precision, repeatability, and long-term production stability.
For packaging manufacturers and brand owners, this category is often chosen when they need a unique functional solution rather than a standard cap—especially for products that require safety control, added usability, or differentiated packaging design.