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Help CenterCustom Injection Mold for Plastic Wide-Mouth Jar With Screw Cap – Ideal for Cosmetic Packaging OEM
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As a professional manufacturer of custom injection molds, Changzhou Hongxinyutai Precision Mold Co., Ltd. is pleased to introduce our Custom Injection Mold for Plastic Wide-Mouth Jar with Screw Cap – the ideal solution for cosmetic packaging OEM projects. With over 6 years of experience (since 2017), a dedicated team of 51-100 skilled workers, and a factory spanning 1,000-3,000 square meters, we design and build molds that deliver consistent quality, high output, and long service life. Our molds are crafted for cosmetic brands, contract packagers, and plastic manufacturers who demand precision and reliability for wide-mouth jars with screw cap closures.
This mold is specifically engineered for producing plastic wide-mouth jars (typically 30ml to 500ml capacity) with a matching screw cap, commonly used for face creams, body lotions, and other cosmetic products. The mold features a robust construction, optimized cooling system, and customizable cavity design to meet your exact production requirements. Whether you need a single cavity prototype mold or a multi-cavity production mold, we offer flexible solutions tailored to your injection molding machine and volume targets.
Below is a detailed overview of the typical specifications and technical parameters for this custom injection mold. Please note that all parameters can be adjusted according to your specific product design and production needs.
| Parameter | Description |
| Mold Type | Injection mold (cold runner / hot runner available) |
| Cavity Number | 1 to 24 cavities (customizable based on part size and machine) |
| Mold Base | LKM, HASCO, DME, or custom specification |
| Steel Grade | P20, 718H, H13, S136, or other (selectable) |
| Surface Finish | SPI A1 (mirror) to C3 (textured), or as per your sample |
| Mold Life | 500,000 – 1,000,000 cycles (depending on steel and maintenance) |
| Cooling System | Optimized conformal cooling or standard channels |
| Part Material | PP, PET, ABS, PE, SAN, etc. |
| Mold Size (L x W x H) | Customized to fit injection molding machine (e.g., 400x400x350mm) |
| Weight | Approx. 500 – 2000 kg (depending on cavity and size) |
Key Features & Advantages
- Precision Engineering: Each mold is machined with high-tolerance CNC equipment, ensuring consistent part dimensions and a smooth screw cap fit.
- Durable Construction: Made from premium steel grades (P20, 718H, H13) with optional nitriding or DLC coating for extended mold life.
- Fast Cycle Time: Optimized cooling layout reduces cycle time by up to 20%, increasing your production efficiency.
- Customizable Gating: Choose between hot runner (for reduced part weight and no runner scrap) or cold runner (for lower initial cost).
- Screw Cap Compatibility: Mold design includes a precise thread core for continuous thread or ratchet-style caps, ensuring easy capping and sealing.
- Flexible Cavity Layout: Single cavity for prototyping or multi-cavity (2,4,8,12,16,24) for high-volume production.
- Quality Assurance: Our molds are manufactured under the TS16969 quality management system, ensuring traceability and consistent performance.
- After-Sales Support: We provide trial runs, mold modification, and spare parts services to keep your production running smoothly.
Detailed Product Description
The custom injection mold for a plastic wide-mouth jar with screw cap is designed to produce containers that are widely used in the cosmetic industry. The wide-mouth opening allows easy filling and user access, while the screw cap provides a secure closure that preserves product freshness. The mold can produce jars with a capacity ranging from 30ml to 500ml, and the wall thickness can be optimized for both strength and material savings.
Our mold design team uses advanced CAD/CAM software (UG, Pro/E, AutoCAD) to create detailed 3D models and simulate the injection process. This helps identify potential issues like sink marks, warpage, or gas traps before steel cutting. The mold is constructed with a hardened cavity and core, and the thread mechanism for the cap is executed by either a collapsible core or a rotary unscrewing system, depending on the cap design. We also offer the option of adding a tamper-evident ring or a flip-top cap feature if required.
The screw cap itself can be molded simultaneously with the jar (if using a two-material or two-shot mold) or as a separate part. For separate cap production, we can also design a dedicated mold for the cap. Alternatively, we can provide a combined mold that produces both the jar and the cap in one cycle with a hot runner system, saving assembly time and cost.
Our molds are suitable for a wide range of plastic materials including PP, PET, ABS, PE, and SAN. The surface finish can be customized to achieve a glossy, matte, or soft-touch effect, meeting the aesthetic requirements of premium cosmetic packaging. We also support in-mold labeling (IML) or pad printing if you plan to add branding directly on the jar.
Why Choose Changzhou Hongxinyutai Precision Mold?
Since our establishment in 2017, we have grown to become a reliable partner for plastic injection mold manufacturers worldwide. Our factory is equipped with 10+ CNC machining centers, EDM machines, wire-cut machines, and precision grinding equipment, allowing us to produce complex molds with tight tolerances. We are TS16969 certified, which ensures that our quality management system meets international standards for automotive parts – a standard that is equally applicable to high-precision packaging molds.
Our main markets include North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia, and the domestic market. We have exported molds to clients in over 20 countries, and our team is capable of communicating in English, Chinese, and other languages to facilitate smooth cooperation.
We offer competitive pricing without compromising on quality. The typical lead time for a custom mold of this type is 25-45 working days, depending on complexity and cavity number. We also provide free mold design review and a full mold trial report before shipment. Our standard warranty is 1 year or 200,000 cycles, whichever comes first, and we offer long-term spare parts and maintenance support.
We invite you to contact us with your product drawings or samples. Our engineers will analyze your requirements and provide a detailed mold proposal including cavity layout, steel selection, cooling design, and pricing. We are committed to delivering a mold that will produce high-quality jars consistently, helping you succeed in the competitive cosmetic packaging market.
Frequently Asked Questions (FAQ)
-
What is the typical lifespan of this mold?
The mold lifespan depends on the steel grade and maintenance. With standard P20 steel, it can produce 500,000 cycles; with H13 or 718H, it can reach up to 1,000,000 cycles or more. -
What is the minimum order quantity (MOQ) for a custom mold?
There is no strict MOQ for the mold itself – we welcome single prototype molds. However, for production parts, we recommend a minimum of 20,000 pieces to justify the mold investment. -
Can you produce molds for jars with different capacities?
Yes, we can design molds for any capacity from 30ml to 500ml or even larger. Please provide the specific dimensions and volume. -
What plastic materials are suitable for the jar and cap?
Common materials include PP (for jars), PET (for clarity), ABS (for strength), and PE (for caps). We can advise on the best material for your product stability and cost. -
How long does the mold design and manufacturing take?
Typically 25-45 working days from approval of the final design. Prototype molds can be delivered in 20-25 days. -
Do you provide samples before mass production?
Yes, we provide trial samples (T1) and send them to you for approval. We make adjustments until the parts meet your specifications. -
What is the warranty policy?
We offer a 1-year warranty or 200,000 cycles, covering manufacturing defects. We also provide technical support for the life of the mold. -
Can you help with the design of the jar and cap?
Absolutely. We offer OEM design services. If you have a concept or rough idea, our engineering team can create 3D CAD models and optimize for injection molding.
Thank you for considering Changzhou Hongxinyutai Precision Mold Co., Ltd. as your mold partner. We look forward to collaborating on your next cosmetic packaging project. Please send your inquiry today.
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