
High-End Cosmetic Cap Mold & Luxury Closure Tooling
Engineered for luxury perfume bottles, skincare cream jars, serum droppers, and prestige cosmetic packaging. Sailwin precision cosmetic cap molds incorporate 2K dual-color rotary core-back kinematics, sequential valve gating to eliminate weld lines, and optical diamond-lapped S136 stainless steel, guaranteeing crystal-like glass transparency, zero sink mark defect on thick walls, and an ultra-fast 9.2s injection cycle.
Prestige Cosmetic Cap Mold Series (8 to 32 Cavity)
Explore our field-proven high-polish tooling platforms for luxury perfume over-caps, skincare cream jar lids, serum droppers, and 2K dual-color flip-top cosmetic packaging.
HIGH-GLOSS · 24/410 & 28/410Prestige Flip-Top Dispensing Closures
Designed for luxury body lotions, facial cleansers, and salon shampoos. Features mirror-polished gloss body, concealed living hinge, and precision silicone valve fit.
- Surface Lapping: Optical SPI A1+ diamond polish (Ra ≤ 0.02μm)
- Gate Technology: Needle valve-gate leaves invisible gate marks
- Hinge Durability: Butterfly living hinge tested > 10,000 flexes
- Cycle Time: 9.2s – 10.5s on 16 to 24 cavities
METALLIC · ELECTROPLATINGElectroplating-Grade Luxury Caps
Engineered from electroplating-grade ABS and Surlyn polymers with zero weld-line defects. Perfectly accepts UV vacuum metallization and gold hot-stamping bands.
- Weld-Line Elimination: Sequential valve-gating eliminates weld seams
- Pouring Spout: Directional orifice for essential oils & serums
- Tooling Cavities: 12, 16, 24 Cavities with slide strippers
- Plating Adhesion: Mirror core roughness prevents plating pinholes

Skincare Serum Round Dome Caps
Smooth hemispherical dome caps for serum dropper bottles, toner pumps, and eye cream tubes. Features uniform wall thickness to eliminate sink marks and bubbles.
- Neck Finish: 18/415 / 20/410 / 24/410 Standards
- Thick-Wall Molding: Surlyn / PMMA thick-wall cooling channels
- Zero Drag Marks: 2° draft angle with precision ejector rings
- Cycle Time: 10.5s – 12.0s with conformal water jackets
16-CAVITY · S136 MIRROR16-Cavity Production Cap Mold
Field-proven 16-cavity cosmetic closure mold manufactured from imported ASSAB S136 stainless steel. Delivers sub-micron cavity interchangeability and rapid color changeover.
- Cavity Steel: 100% S136 vacuum quenched (HRC 50–52)
- Slider Movement: Angular pin mechanical cam stripping
- Hot Runner: Direct point gate manifold with PID controller
- Output: 52 Million caps annually per mold set
| Cavity Count | Closure Category | Neck / Diameter Standards | Cap Weight (g) | Cycle Time (s) | Rec. Machine Tonnage | Optical Surface Finish | Action |
|---|---|---|---|---|---|---|---|
| 8 Cavities | Heavy Thick-Wall Acrylic Perfume Over-Cap | Surlyn / PMMA 15mm–20mm Snap | 14.0g – 24.0g | 12.5s – 15.0s | 160T – 200T | SPI A1+ (Ra ≤ 0.02μm) | |
| 12 Cavities | Double-Wall Luxury Skincare Cream Jar Lid | 45mm, 53mm, 68mm Jar Finishes | 9.5g – 16.5g | 11.0s – 12.8s | 180T – 220T | High-Gloss Electroplating Grade | |
| 16 Cavities | Oval Squeeze Flip-Top Cap with Silicone Valve | 24/410, 24/415, 28/410 | 5.2g – 7.8g | 9.2s – 10.5s | 200T – 250T | Mirror Polish with Concealed Gate | |
| 24 Cavities | High-Speed Serum Dropper Collar & Dome Cap | 18/415, 20/410 Standards | 3.5g – 5.0g | 8.8s – 9.8s | 220T – 280T | Micro-Groove Knurled & Gloss | |
| 32 Cavities | Prestige Personal Care Flip-Top Closures | 24/410 / 28/410 Screw Finish | 4.2g – 6.0g | 8.5s – 9.5s | 280T – 350T | SPI A1 Optical Cavity Finish |
Need 2K Dual-Color Rotary Core-Back Mold Simulation or Surlyn DFM?
Our luxury cosmetic tooling directors evaluate cap CAD drawings and surface plating requirements within 24 hours.
Engineering Precision: Optical Mirror & 2K Dual-Color Tooling
Prestige cosmetic packaging allows zero tolerance for weld lines, sink marks, or parting line mismatch. Explore our specialized optical cavity lapping, sequential valve gating, and multi-slide stripper kinematics.
OPTICAL MIRROR TOOLINGOptical Mirror Cavity & Sequential Gating
Thick-wall luxury cream jars and perfume caps molded from PMMA, Surlyn, or heavy PET easily suffer from visible weld lines and internal vacuum voids. Sailwin deploys sequential needle valve-gate hot runners that open progressively, directing melt flow without meeting fronts.
- • Mirror Roughness: Hand-lapped diamond mirror polish to SPI A1+ (Ra ≤ 0.02μm).
- • Zero Splay & Bubbles: Balanced cavity decompression prevents gas trapping in thick walls.
- • Concealed Gate Mark: Sub-gate or inner core pin gating hides vestige inside the cap thread.
2K DUAL-COLOR MATRIX2K Dual-Color Rotary Core-Back Tooling
Create high-value dual-color aesthetic closures featuring contrasting outer rings, soft-touch TPE finger grips, or transparent windows over colored bodies in a single automated injection cycle without secondary assembly.
- • Rotary Table Interface: 180° hydraulic or electric index table synchronized rotation.
- • Sharp Color Boundary: Precision shut-off steel lands eliminate color bleeding or flash.
- • Chemical Bonding: Compatible with PP+TPE, ABS+PMMA, and Surlyn+PP combinations.
4-CAVITY OVAL SYSTEMOval Cosmetic Flip-Top Mold Plate
Oval cosmetic caps feature asymmetric outer geometry that challenges uniform packing and cooling. Sailwin utilizes multi-zone hot runner manifolds and contoured water channels to prevent oval shrinkage warpage.
- • Orientation Alignment: Thread start orientation calibrated ±0.5° to align with bottle profile.
- • Living Hinge Integration: 0.30mm calibrated butterfly hinge flexes > 10,000 times without tearing.
- • Spud Plug Seal: Conical seal plug prevents volatile cosmetic fragrance evaporation.
SLIDE STRIPPER KINEMATICSSlide Stripper Mechanism & Snap Threads
For luxury cosmetic closures featuring internal snap-fit beads, knurled perimeter rings, or side finger indentations. Our mechanical cam slide stripper plates retract smoothly during platen opening before vertical ejection.
- • Zero Drag Scuffing: Slide segments pull away horizontally, preserving high-gloss surface.
- • Hardened Cam Gibs: High-hardness tool steel wear gibs prevent slide galling.
- • Fast Cycling: Synchronized stripper motion enables rapid 9.5s–10.8s cycle times.
Imported S136 Tool Steel & Rapid Conformal Cooling
Luxury cosmetic packaging demands flawless crystal clarity and rapid cooling without sink marks. Sailwin specifies 100% genuine imported ASSAB S136 electroslag stainless steel and high-conductivity cooling channels.

S136 Cores with Direct Conformal Circuits
Equipped with Swedish ASSAB S136 cores and direct spiral cooling circuits wrapping within 2mm of the molding face. Cuts cooling cycle time by 30% for thick-wall luxury cosmetic caps.

24-Cavity Assembly Core & Cavity Plates
Fully assembled 24-cavity cosmetic flip-top closure mold plate featuring synchronized cam slides and mirror-polished cavity pockets. Sub-micron interchangeability across all 24 stations.
Swedish ASSAB S136 Stainless Steel
Premium electroslag remelted (ESR) stainless steel vacuum heat-treated to HRC 50–52. 100% rust-proof and resistant to cosmetic essential oils, fragrances, alcohol lotions, and pigments.
- Vacuum Quenching: HRC 50 – 52
- Cavity Mirror Finish: Ra 0.02 μm (SPI A1+)
- Guaranteed Tool Life: 3,000,000+ Shots
- Optical Clarity: Glass-Like Transparency
Japanese Daido NAK80 Tool Steel
Pre-hardened mirror-grade steel used for side slide cams and stripper blocks. Delivers superior dimensional stability and high thermal conductivity to accelerate cap thread cooling.
- Hardness Delivery: HRC 38 – 42
- Slide Precision: ±0.003mm Fit
- Thermal Conductivity: 41.3 W/m·K
- Wear Surface: DLC / TiN Coated
High-Rigidity Mold Base Plates
High-tensile structural tool steel normalized and stress-relieved to prevent plate deflection under 280T clamping pressure. Preserves micro-gap flash control across all cavities.
- Base Hardness: HRC 32 – 36
- Plate Flatness: ≤ 0.015mm / Meter
- Guide Bushings: Bronze with Graphite
- Tensile Strength: 1020 MPa High Rigidity
100% Genuine Optical-Grade Tool Steel Certification Guarantee
Every Sailwin cosmetic closure mold is delivered with original European / Japanese steel manufacturer spectroscopic analysis sheets, ultrasonic flaw inspection certificates, and vacuum hardening logs. We guarantee zero counterfeit or reclaimed scrap steel.
Manufacturing Plant & In-House Machine FAT Trials
Take a virtual tour of our 15,000m² specialized cosmetic tooling campus in Taizhou, China. Over 30 CNC machining centers, high-tonnage trial presses, and cleanroom optical inspection bays.

Tier-1 Prestige Closure Tooling Facility
Lineup of completed multi-cavity cosmetic cap molds ready for customer FAT witness trials. From 12 to 32 cavities, each mold features balanced hot runner manifolds, slide cam systems, and optical mirror S136 cores.

CNC Machining & Fitting Bays
Climate-controlled precision tooling workshop with distressed sky-blue epoxy flooring. High-speed CNC milling and EDM die sinking machinery dedicated to cosmetic mold plates.

Hot Runner Wiring & Color Trials
Molds wired with multi-zone PID heavy-duty industrial connectors, tested across pastel, pearl, and metallic resin formulas to verify smooth color changeovers.
100% In-House Machine FAT Trial & Free Closure Samples Guarantee
We never dispatch an unverified cosmetic tool. Every mold undergoes 5,000-shot continuous live trials on our in-house servo injection presses. We ship 300–500 actual molded cosmetic caps to your factory via DHL/FedEx for gloss inspection, living hinge flex tests, and plating adhesion testing before shipping approval.
Luxury Cosmetic Applications & Tooling Navigation Hub
Engineered for prestige perfumes, anti-aging skincare creams, luxury serums, and body washes, with direct gateways to matching blow molds and preform tooling.

Preforms, Closures & Cosmetic Jars
End-to-end tooling engineering for the beauty industry. Sailwin manufactures matching high-gloss caps, heavy-base cosmetic jars, and thick-wall PET preforms to guarantee seamless container-to-closure aesthetics and hermetic seals.
Target Luxury Cosmetic Disciplines
Prestige perfume over-caps, skincare cream jar lids, serum droppers, and 2K dual-color flip caps.
Luxury Perfume Over-Caps
Thick-wall Surlyn, PMMA, and zamak-insert caps with glass-like transparency, zero vacuum bubbles, and weighted hand feel.
Double-Wall Cream Jar Lids
Acrylic outer dome with glossy PP inner screw collar, engineered for vacuum metallization, electroplating, and foil hot stamping.
Serum Droppers & Dome Caps
18/415 and 20/410 fine-ribbed dropper collars with molded rubber bulb retention and anti-evaporation spud seals.
2K Dual-Color Flip-Top Closures
Two-color rotary core-back tooling producing contrasting accent bands, silicone valves, and butterfly living hinges in one shot.
Zero Weld-Line Perfection for Prestige European Cosmetics
A prestige European cosmetic packaging supplier commissioned Sailwin for 16-cavity electroplating-grade perfume over-cap molds. Operating at 9.2 seconds cycle time, the molds delivered over 45 million caps annually with zero weld lines, SPI A1+ mirror gloss, and 100% adhesion under cross-hatch tape testing after vacuum metallization.
Turnkey Downstream Tooling & Sub-Pages
Explore matching blow molds, preform molds, and parent category collection hubs.
Cosmetic Bottle Blow Molds
Alloy 7075-T6 stretch blow molds engineered with precise 20/410, 24/410, and 24/415 neck alignments.
PET Preform Injection Molds
8 to 96 cavity valve-gate preform molds engineered for thick-wall glass-like cosmetic preforms.
Flip-Top Shampoo Cap Molds
16 to 32 cavity flip-top cap molds with in-mold automatic closing and butterfly living hinges.
Plastic Injection Molds Hub
Explore all 9 closure categories, preform tooling systems, and custom precision plastic injection tooling.
Frequently Asked Questions on Cosmetic Cap Molds
Explore engineering insights regarding zero-weld-line optical mirror lapping, 2K dual-color rotary core-back tooling, thick-wall Surlyn molding, and electroplating surface quality.
Visible weld lines and flow hesitation ruin luxury packaging aesthetics. Sailwin guarantees pristine flaw-free surfaces through:
- Sequential Needle Valve Gating: Hot runner valve pins open sequentially based on melt front position, preventing opposing flow streams from meeting on visible faces.
- Optical SPI A1+ Mirror Polish: Cavity cores are hand-lapped with progressive diamond paste compounds down to Ra ≤ 0.02μm, delivering glass-like reflections.
- Concealed Gate Placement: Point gates are located inside the cap thread or under hidden lip steps, leaving zero gate vestige on visible surfaces.
2K two-shot tooling integrates two distinct materials or colors into a single closure without secondary assembly:
- 180° Rotary Table Indexing: The moving platen rotates 180° between shots, indexing the primary molded substrate directly into secondary cavities.
- Micro-Sealing Steel Lands: Zero color bleeding is guaranteed by precision CNC-fitted shut-off lands (±0.003mm) that seal around the first shot.
- Polymer Co-Polymer Bonding: Molecular chemical fusion between PP/TPE or ABS/PMMA ensures lifetime structural adhesion without delamination.
Heavy luxury perfume over-caps feature wall thicknesses up to 12mm that easily develop vacuum bubbles or surface sink depressions:
- Conformal High-Velocity Water Cooling: 3D-milled cooling water circuits wrap uniformly around thick sections to accelerate solid-skin formation.
- Multi-Stage Holding Pressure: Extended packing profiles driven by high-tonnage electric servo units compensate for volumetric resin shrinkage.
- Beryllium Copper Inserts: Placed at core apexes to dissipate localized heat 300% faster than standard tool steel.
Metallized gold and chrome finishes magnify microscopic tooling flaws:
- Electroplating-Grade Surface: Ra ≤ 0.02μm optical finish guarantees zero orange peel, pitting, or micro-pinholes under 50x microscope inspection.
- Resin Grade Matching: Tooling draft angles and gate shears are optimized for electroplating-grade ABS and PC/ABS resins.
- Adhesion Testing: Molded samples undergo 100% cross-hatch tape adhesion testing and 48-hour salt spray corrosion testing after plating.
Abrasive color masterbatches and aggressive cosmetic fragrances demand superior metallurgy:
- 100% Swedish ASSAB S136: ESR vacuum quenched to HRC 50–52, providing total chemical corrosion resistance and extreme wear resistance.
- 3,000,000+ Shots Warranty: Written warranty guaranteeing optical mirror polish retention with zero parting-line flash wear.
- On-Shelf Spares: Serialized spare cavity inserts, gate tips, and cam gibs available for immediate international express courier delivery.
Need Luxury Cap Parting Line Optimization or Vacuum Metallization DFM?
Our prestige cosmetic tooling directors evaluate cap drawings, draft angles, and surface plating specs within 24 hours.
Scale Production with High-Precision Cosmetic Cap Molds
Partner with Sailwin — your certified cosmetic cap mold maker. Submit your cap samples, 3D CAD models, or surface plating specifications for a complimentary DFM analysis, sequential gating simulation, and itemized quotation within 24 hours.
Inquire Cosmetic Cap Mold
Fill out the form below. Our tooling design team will calculate cavity layouts, tonnage requirements, and quotation.


