Custom OEM Thick-Wall PMMA Cosmetic Jar With 1x4 Cavity Hot Runner S136 Steel Mold
Product Spotlights
Changzhou Hongxinyutai Precision Mold Co., Ltd. proudly presents our Custom OEM Thick-Wall PMMA Cosmetic Jar with 1x4 Cavity Hot Runner S136 Steel Mold. As a specialized manufacturer with over 7 years of experience, we understand the rigorous demands of the cosmetics packaging industry. This mold is engineered to produce high-clarity, thick-walled acrylic jars that showcase your product in the most attractive way. Every detail is designed for efficiency, durability, and flawless injection molding performance.
Product Overview & Key Features
Our hot runner system ensures even melt flow and reduced cycle times, while the S136 steel construction guarantees corrosion resistance and long tool life. The 1x4 cavity layout balances productivity with part quality, making it ideal for medium-to-high volume production. Below we detail the technical specifications and advantages that set this mold apart.
| Parameter | Details |
| Mold Material | S136 ESR stainless steel (optional 2316, 2083) |
| Cavity Count | 1 x 4 (four cavities) |
| Runner System | Hot runner (multi-drop, valve gate optional) |
| Product Material | PMMA (Acrylic) – high transparency, UV resistant |
| Wall Thickness | 3mm – 8mm (customizable per design) |
| Jar Capacity | 30ml, 50ml, 100ml or custom volume |
| Surface Finish | SPI A1 mirror polish / fine texture / matte |
| Clamping Force Required | 120–200 tons (depending on part size) |
| Mold Life Expectancy | 500,000 – 1,000,000 shots (with proper maintenance) |
Detailed Benefits for Your Business
- Optical Clarity: The PMMA material combined with our high-polish S136 steel delivers a crystal-clear finish that enhances product visibility on retail shelves.
- Thick-Wall Design: Ideal for premium cream jars that require a solid feel and superior protection against impact and UV light.
- Hot Runner Efficiency: Eliminates scrap runners, reduces material waste, and shortens cycle time by up to 30% compared to cold runner systems.
- Multi-Cavity Productivity: Four cavities per cycle increase output without sacrificing precision, lowering per-part cost.
- Corrosion-Resistant Steel: S136 is widely used in medical and food-contact molds, ensuring no contamination and extended tool life.
- Full Customization: We can adjust cavity shape, thread finish, branding imprint, and even integrate in-mold decoration.
- Stable Quality: All molds are tested on our own injection machines, with documented process parameters and dimensional reports.
Frequently Asked Questions (FAQ)
-
What is the typical lead time for a custom PMMA jar mold?
Our standard lead time is 30–45 working days, depending on complexity. We can expedite for urgent orders upon request. -
Can you produce jars with undercuts or special thread designs?
Yes, we can design unscrewing mechanisms, collapsible cores, or sliding cores to accommodate various cap and jar geometries. -
What is the minimum order quantity (MOQ) for this mold?
MOQ is one set of mold. For production parts, we require a minimum of 10,000 pieces per order to optimize economics. -
Do you provide samples before mass production?
Absolutely. We will produce T0 sample shots for your approval. Adjustments are made until dimensional and cosmetic requirements are met. -
Is the mold compatible with all standard injection molding machines?
We customize the mold base to fit your machine’s platen, gate pattern, and ejection system. Please provide machine specifications. -
How do you ensure the PMMA material does not get scratched or hazy during molding?
Our molds feature high-polish cavity surfaces (SPI A1) and proper venting to avoid gas marks. We also use gradual temperature control to reduce internal stress. -
Can you add a logo or custom texture on the jar surface?
Yes, we can engrave logos, text, or textures directly into the cavity using CNC or EDM, offering permanent and consistent branding. -
What kind of warranty do you offer?
We provide a 12-month warranty against manufacturing defects for the mold, along with lifetime technical support.
Trust & Capability
Located in Changzhou, Jiangsu, Changzhou Hongxinyutai Precision Mold Co., Ltd. operates a 1,000–3,000 m² factory with 51–100 skilled employees. Since 2017, we have served markets across North America, South America, Europe, Southeast Asia, and more. Our TS16969 certified quality system ensures consistent process control and traceability. We ship molds via Jiangsu, Shanghai, or Shenzhen ports, backed by responsive after-sales support. Choose our custom PMMA cosmetic jar mold for reliable tooling that turns your packaging vision into reality. Contact us today to discuss your project requirements and request a free consultation.
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