High-Precision Multi-Cavity Injection Mold for Cosmetic Dispensing Bottles & Cream Jars
This product is a customized multi-cavity injection mold solution developed for high-end cosmetic bottle caps, thick-walled cream jar bases, outer closures, and precision transparent packaging components. Engineered to meet the cosmetic packaging industry's rigorous standards for optical transparency, mirror-gloss aesthetics, reliable threaded sealing, and parting-line concealment, the tooling incorporates balanced hot runner systems, premium corrosion-resistant mirror-finish mold steel, and optimized cooling circuits to ensure high wall thickness uniformity, superior gloss, and tight dimensional consistency during large-scale automated production.
5.0
design customization
Please fill out the form below to request a quote or to request more information about us. Please be sure to upload customized requirement documents or pictures, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
Please fill out the form below to request a quote or to request more information about us. please be as detailed as possible in your message, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
High-Yield Multi-Cavity & Balanced Filling
Engineered with precision multi-cavity layouts (e.g., 8-cavity, 16-cavity, or custom) and balanced hot runner/gating systems, significantly shortening cycle times, lowering energy consumption per piece, and maintaining batch-to-batch repeatability.
Optical-Grade Mirror-Finish Surface
The mold core and inserts utilize premium pre-hardened or stainless mold steels (such as S136, NAK80), finished with optical-grade polishing to deliver ultra-clear, flow-mark-free, and blemish-free parts with a glass-like luxurious texture.
Precision Thread & Leak-Proof Sealing
Critical dimensions for bottle neck threads, internal snaps, and sealing lips are governed by micron-level tolerances, preventing thread stripping, cap tilt, or liquid leakage, and ensuring a smooth, tactile opening/closing experience.
Optimized Cooling & Anti-Sink Control
Specially configured conformal or circular cooling channels target the thermal retention in thick-walled cosmetic parts (e.g., heavy-base PMMA, PETG, AS), effectively mitigating sink marks, internal bubbles, and post-molding warpage.
Product Details
妆品分装瓶注塑模具2
Application Scenarios
妆品分装瓶注塑模具4
妆品分装瓶注塑模具5
妆品分装瓶注塑模具6
Frequently Asked Questions
1
Q:How do you eliminate sink marks and internal air bubbles in thick-walled transparent components?
A: Preventing defects in heavy-gauge parts requires synchronized gate sizing, packing-pressure control, and high-efficiency heat dissipation. Our molds integrate high-flow cooling channels directly adjacent to thick-wall sections alongside micro-venting designs, preventing shrinkage voids and trapped air.
2
Q: What resin materials can this tooling accommodate?
A: The tooling can be calibrated for a broad range of cosmetic resins, including PET, PETG, PMMA (Acrylic), AS/SAN, PP, ABS, and post-consumer recycled (PCR) plastics. Shrinkage factors are customized during the initial DFM stage based on your specified resin grade.
3
Q: Can the tooling deliver parts ready for secondary processing like hot-stamping, silkscreening, or electroplating?
A: Absolutely. During the preliminary DFM review, gate locations, venting slots, and ejector pin positions are deliberately routed away from primary cosmetic faces to preserve clean, flat substrates that optimize coating adhesion and print crispness.
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