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Injection Mold Tooling for Demanding Industries

Engineered for extreme reliability, rapid cycling, and micrometer accuracy across consumer packaging, food & beverage, luxury personal care, ISO 13485 medical diagnostics, and smart electronics.

Vertical 01 • High Cavitation & Fast Cycling

Packaging & Closures Tooling

From high-speed flip-top dispensing closures with in-mold closing mechanisms to 48+48 cavity stack molds, TK Group is a dominant supplier to global packaging brands.

Key Products: Flip-top caps, flip-spout closures, dual-wall jars, lotion pump actuators, tamper-evident bands, high-speed thin-wall tubs.
Cavitation & Cycle Times: 16 to 96 cavities (including 48+48 stack tools) running under 8.0 seconds with synchronized rack closing.
Steel & Hot Runners: Corrosion-resistant ASSAB S136 ESR hardened to 52 HRC with Husky or Mold-Masters balanced valve-gate hot runners.

Packaging: Flip-Top Tooling • 48+48 Stack

Sub-8s Cycle

Vertical 02 • High-Speed & Food Grade

Food & Beverage Tooling

High-volume disposable containers, cutlery, single-serve capsules, and beverage bottle closures. Engineered for non-stop round-the-clock cycling with sub-4 second dry times.

Key Products: Tamper-evident water/juice caps, dairy yogurt cups, airline cutlery sets, coffee pod capsules, spice bottle dual-flap closures.
Sanitary Tool Construction: 100% food-grade stainless steel inserts (420SS / S136) with lubricant-free air stripper ejection.
In-Mold Labeling (IML): Integrated robotic automation for high-definition 5-sided label insertion at extreme cycle velocities.

Vertical 03 • Luxury Aesthetics & Multi-Shot

Personal Care & Cosmetics Tooling

Cosmetic packaging requires absolute perfection in surface finish, tactile feel, and parting line aesthetics. TK Group blends Class-A diamond polishing, RHCM mirror surfaces, and 2K soft-touch overmolding.

Key Products: Mascara bottles, cosmetic compacts with live hinges, lipstick cases, perfume overcaps, 2K deodorant dials, dispenser pumps.
Optical Polish (SPI-A1): Hand-lapped diamond paste finishes replicating crystal-clear glass-like clarity in thick-wall Surlyn and PMMA.
RHCM Piano-Black: Mirror finishes on compact covers without weld lines, flow marks, or expensive secondary spray coatings.

Cosmetics: Compacts, Pumps • 2K Soft-Grip

SPI-A1 Diamond

Medical: Microfluidics • Class 100k Cleanroom

ISO 13485

Vertical 04 • ISO 13485 • Cleanroom Class 100k

Medical Devices & Diagnostics

Certified medical injection tooling and cleanroom contract molding for diagnostic consumables, surgical instruments, and drug delivery systems.

Key Products: Microfluidic cartridges, pipette tips (up to 128 cavities), luer lock connectors, inhaler bodies, blood collection vials.
Regulatory Rigor: Certified ISO 13485:2016 and MedAccred. Complete IQ / OQ / PQ validation protocols and resin lot traceability.
Bio-Compatible Polymers: Cyclic Olefin Copolymer (COC), COP, Medical Grade PP, PEEK, and optical Liquid Silicone Rubber (LSR).

Vertical 05 • Micro-Tolerances & Smart Plastics

Consumer Electronics & Wearables

Ultra-precision enclosures for smart devices, wireless audio earbuds, biometric wearables, and structural internal chassis with ±0.005mm part tolerances.

Key Products: TWS earbud cases, smartwatch frames, drone gimbal housings, smart thermostat bezels, IP68 waterproof multi-pin connectors.
Ultra-Thin Walls: Uniform 0.4mm - 0.7mm wall sections molded with high-flow engineering resins (LCP, PC/ABS, PA66-GF30).
In-Mold Structural Electronics (IMSE): Direct integration of printed antennas, conductive traces, and capacitive touch sensors inside the plastic.

Electronics: Acoustic Enclosures • IMSE

±0.005mm

Automotive: Light Pipes, Trims • IATF 16949

Hydraulic Cores

Vertical 06 • IATF 16949 • Class-A Lighting & Trims

Automotive & Precision Industrial

Engineered under rigorous IATF 16949 standards for North American automotive Tier-1 programs. Multi-cavity hydraulic lifter systems, optical light guides, and structural engine bay components.

Key Products: Interior instrument bezel trims, HUD light guides, optical lenses, climate control vents, sensor brackets, and waterproof door harness plugs.
Engineered Steels: Hardened ASSAB 2344 and S136 with conformal thermal cooling to prevent warpage across large aesthetic components.
Sampling & PPAP Level 3: Full dimensional CMM layouts, gauge R&R, CPK statistical capability studies, and material lot test certificates.