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Ultra-Precise Enclosures & Housings Turnkey Engineering Solution

We overcome critical environmental sealing challenges to manufacture rugged enclosures, utilizing advanced engineering resins processed strictly within our IATF 16949 certified facility to actively prevent structural warpage. By synchronizing integrated EMI shielding with flash-free mold tooling, we seamlessly bridge the gap between complex electronic protection requirements and flawless, assembly-ready plastic housings, thereby ensuring mission-critical dimensional stability across demanding medical, telecommunications, and industrial deployments.

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  • IP67/IP68 Protection Ratings
  • ±0.02mm Assembly Tolerance
  • 500k+ Monthly Capacity
  • 100% Automated Inspection
  • Production-Ready Components

    Precision Injection Molded Enclosures & Housings

    Explore our comprehensive portfolio of precision-molded enclosures and protective housings. From intricate electronic casings demanding integrated EMI shielding and tight assembly tolerances, to rugged structural shells engineered for IP-rated environmental sealing and high-impact resistance.

  • Medical & Healthcare Equipment Housings

    Engineered from biocompatible, chemical-resistant polymers designed to withstand rigorous sterilization protocols. These structural enclosures provide superior EMI shielding for sensitive diagnostic electronics and feature ergonomic, easy-to-clean geometries that meet stringent FDA and ISO 13485 compliance standards.

    Typical Parts:

    Monitor Housings, Defibrillator Cases, Ventilator Enclosures, Scanner Covers, Pump Housings, Analyzer Shells, Handheld Device Covers, Controller Boxes, Battery Compartments, Sensor Enclosures, Display Bezels, Keypad Frames, Connector Shrouds, Cartridge Shells, Probe Housings, Diagnostic Shells, Transducer Covers

  • Telecommunications & Network Enclosures

    Ruggedized infrastructure housings molded from UV-stabilized, impact-resistant thermoplastics for outdoor and extreme weather environments. Delivering exceptional IP67/IP68 sealing performance, flame retardancy (UL94 V-0), and precision dimensional stability for complex gateway systems and remote radio heads.

    Typical Parts:

    Router Enclosures, Gateway Housings, Antenna Covers, Modem Shells, Server Chassis, Switch Boxes, Splicer Enclosures, Amplifier Cases, Transmitter Housings, Receiver Shells, Base Station Covers, Rectifier Housings, Distribution Boxes, Connector Enclosures, Battery Shells, Radio Heads, Optic Node Covers

  • Industrial & Machinery Control Shells

    Heavy-duty protective casings manufactured with glass-filled engineering resins to endure aggressive mechanical impact, chemical exposure, and high-vibration factory settings. Engineered with tight tolerances to ensure robust environmental sealing for automation controls, PLCs, and heavy equipment interfaces.

    Typical Parts:

    Control Cabinet Housings, PLC Enclosures, Inverter Shells, Sensor Boxes, Actuator Covers, Relay Cases, Transformer Housings, Motor Shrouds, Pendant Station Enclosures, Switchgear Covers, Drive Enclosures, HMI Bezels, Terminal Boxes, Contactor Shells, Valve Housings, Pump Covers, Breaker Enclosures

  • Consumer Electronics Protective Housings

    Thin-wall molded enclosures prioritizing lightweight durability, aesthetic Class-A surface finishes, and complex internal ribbing for structural integrity. Utilizing advanced PC/ABS blends to provide precise snap-fit assembly, thermal management, and sophisticated cosmetic textures for premium devices.

    Typical Parts:

    Smartphone Cases, Tablet Enclosures, Smartwatch Housings, Speaker Cabinets, Console Shells, Remote Housings, Drone Canopies, Earbud Cases, Camera Bodies, Tracker Enclosures, Router Shells, Display Backs, Battery Covers, Keyboard Frames, Mouse Housings, VR Headset Shells, Adapter Cases

  • Aerospace & Aviation Electronics Cases

    High-performance, low-weight structural housings molded from advanced polymers engineered to meet rigorous aerospace flammability, smoke, and toxicity (FST) standards. Designed for extreme temperature fluctuations, absolute vibration resistance, and critical avionics protection while significantly reducing aircraft weight.

    Typical Parts:

    Avionics Enclosures, Radar Housings, Flight Recorder Cases, Actuator Shells, Sensor Covers, Transponder Housings, Lighting Enclosures, Instrument Bezels, Control Panel Housings, Junction Boxes, Terminal Enclosures, Antenna Radomes, Connector Shells, Battery Housings, Gyroscope Covers, Altimeter Cases, Oxygen System Enclosures

  • Semiconductor Equipment Enclosures

    Ultra-clean, static-dissipative (ESD) plastic enclosures manufactured in controlled environments to prevent particulate contamination. Engineered from highly chemical-resistant and low-outgassing polymers to protect sensitive wafer fabrication interfaces, testing metrology systems, and precision fluid handling components.

    Typical Parts:

    Wafer Carrier Housings, Reticle Pod Shells, Metrology Enclosures, Controller Boxes, Fluid Handling Cases, Sensor Enclosures, Ionizer Housings, Pump Shells, Valve Covers, Flowmeter Enclosures, Purifier Housings, Manifold Covers, Filter Enclosures, Laser Housings, Dispenser Shells, Probe Station Enclosures

  • For requirements beyond our standard catalog, we provide custom injection mold tool engineering for complex polymer profiles, ranging from ultra-precision thin-wall microelectronic housings to structural engineering enclosures. Submit your dimensional schematics for an initial dfm evaluation to align your technical requirements with our manufacturing capabilities and receive a production-ready quote.

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    CRITICAL PRODUCTION RISKS

    Critical Risks in Enclosure & Housing Manufacturing

    Manufacturing protective enclosures is a zero-margin-for-error process where structural integrity dictates device survival. Minor molding inconsistencies don’t just affect aesthetics; they compromise critical IP ratings, EMI shielding, and internal electronic safety. Identifying these three critical “yield-killers” is essential for securing a rugged, field-ready supply chain and passing stringent compliance certifications.

    • Risk #1: Dimensional Warpage & IP Seal Failures

      Large, box-like enclosures with complex internal ribbing are highly susceptible to uneven cooling and residual stress. If the mold temperature and injection pressure are not perfectly balanced, the housing walls will warp inward or outward post-ejection. This dimensional distortion prevents mating halves from aligning exactly, making it impossible for gaskets or O-rings to compress evenly.

      Consequence: Immediate failure during IP67/IP68 water and dust ingress testing, leading to catastrophic short circuits of internal electronics in the field and massive product recalls.
    • Risk #2: Weak Weld Lines Around Port Cutouts

      Telecommunications and medical enclosures typically require multiple openings for displays, interfaces, and cable routing. As molten plastic flows around these core pins, the melt fronts must seamlessly rejoin. Suboptimal injection speeds, low melt temperatures, or poor venting create brittle weld lines (knit lines) at these junctions, severely compromising the mechanical strength of the entire structural shell.

      Consequence: The enclosure easily fractures or shatters along these stress concentrators during standard drop tests or industrial impact exposure, leaving sensitive internal components unprotected.
    • Risk #3: Parting Line Flash & EMI Shielding Gaps

      High-performance electronics housings require flawless parting lines for seamless assembly and functional coating. Tooling wear, insufficient clamping force, or excessive injection pressure forces micro-layers of plastic out of the mold cavity, creating flash along the mating edges. This flash not only ruins the cosmetic finish but creates microscopic gaps that break the continuity of internal conductive coatings.

      Consequence: Devices fail stringent FCC, CE, or ISO electromagnetic compatibility (EMC) certifications due to signal leakage, delaying market launch and forcing expensive secondary manual trimming.

    Precision engineering requires more than machine capacity; it demands a technical partner capable of managing the complex manufacturing requirements. Our case studies demonstrate how we have solved critical manufacturing challenges across multiple OEM supply chains.

    Tier 1 Manufacturing

    High-Performance Manufacturing Solutions for Protective Housings

    We transform complex electronic protection requirements into field-ready realities by eliminating the technical friction of enclosure manufacturing. Through predictive Moldflow® analysis, advanced tooling engineering, and rigorous IATF 16949-certified quality governance, Kravzik guarantees your structural housings achieve perfect environmental sealing, optimal mechanical strength, and flawless EMI shielding without compromising dimensional stability.We transform complex electronic protection requirements into field-ready realities by eliminating the technical friction of enclosure manufacturing. Through predictive Moldflow® analysis, advanced tooling engineering, and rigorous IATF 16949-certified quality governance, Kravzik guarantees your structural housings achieve perfect environmental sealing, optimal mechanical strength, and flawless EMI shielding without compromising dimensional stability.

    • Predictive DFM & Dimensional Stabilization

      We utilize advanced Moldflow® simulations to optimize cooling and gate placements, eliminating post-molding deformation. This ensures uniform shrinkage and exact mating alignment for secure IP67/IP68 gasket sealing.

      Warpage Prevention: Neutralizing residual stress via advanced predictive engineering before tooling.
      Sealing Integrity: Guaranteed uniform shrinkage for perfect IP67/IP68 gasket compression.
    • Dynamic Melt Front & Weld Line Management

      We overcome brittle weld lines around critical cutouts through precise thermal and flow control. Specialized injection profiling ensures seamless polymer knitting, maximizing structural impact resistance for harsh environments.

      Flawless Knitting: Optimized venting and injection profiling eliminate brittle weld lines.
      Maximum Durability: Enhanced impact resistance for high-stress structural junctions.
    • Micron-Level Tooling for EMI Integrity

      Leveraging in-house precision tooling, we maintain exacting tolerances and optimal clamping force to eliminate micro-flash. This guarantees flawless parting lines and continuous internal surfaces for reliable EMI/RFI shielding.

      Flash Elimination: Exacting core/cavity tolerances prevent microscopic flash generation.
      Shielding Continuity: Unbroken internal surfaces guarantee reliable conductive coating adhesion.
    • Vertically Integrated Production & Overmolding

      We provide single-point accountability by combining precision injection molding with custom metal stamping. Backed by 100% automated inspection, we deliver fully verified, assembly-ready enclosures under one roof.

      Synergistic Manufacturing: Seamlessly integrating custom metal stamping with injection molding.
      Automated Verification: 100% CCD vision inspection ensures assembly-ready component delivery.
    ADVANCED RESIN MATRIX

    Engineered Polymers for Rugged Enclosures & Housings

    The protective capability and environmental resilience of an enclosure depend entirely on precise resin selection. Kravzik processes a highly specialized matrix of engineering-grade thermoplastics designed to withstand extreme thermal cycling, chemical exposure, and constant mechanical stress. From inherently flame-retardant polymers for aerospace to highly weatherable resins for outdoor telecommunications, we match the exact molecular structure to your operational demands to guarantee strict industry compliance.

    • Polycarbonate (PC)

      MAXIMUM IMPACT SHIELDING

      Polycarbonate engineered for high-impact shielding applications requiring shatter resistance and dimensional stability under mechanical stress and prolonged outdoor sun exposure.

      01. Thermal & UV Resistance

      High heat deflection; requires specialized UV stabilizers or hard-coating for prolonged outdoor sun exposure.

      02. Impact & Dimensional Stability

      Exceptional impact strength and shatter resistance; rigid molecular structure maintains tight tolerances under mechanical stress.

      03. Finishing Compatibility

      Readily accepts clear-coats, functional textures, and conductive internal paints for EMI/RFI shielding.

    • PC/ABS Alloy

      OPTIMIZED STRUCTURAL ELECTRONICS

      PC/ABS alloy designed for structural electronics requiring low-temperature impact strength and dimensional stability for precision snap-fit assembly and gap-and-flush fitment.

      01. Thermal & UV Resistance

      Balanced heat resistance suitable for managing internal device heat generation; moderate UV stability.

      02. Impact & Dimensional Stability

      Excellent low-temperature impact strength; superior dimensional stability ensuring flawless "Gap & Flush" fitment for snap-fit assemblies.

      03. Finishing Compatibility

      Highly optimized for electroplating, custom color matching, and soft-touch painting adhesion.

    • PEI (Ultem™)

      HIGH-HEAT BIOCOMPATIBILITY

      PEI resin utilized for complex housing geometries requiring high strength-to-weight ratios, flame retardance, and durability through repeated steam sterilization cycles.

      01. Thermal & UV Resistance

      Exceptional long-term heat resistance and inherent flame retardance (UL94 V-0); withstands repeated steam sterilization (autoclaving) and harsh chemical wipe-downs.

      02. Impact & Dimensional Stability

      Extremely high strength-to-weight ratio; highly predictable mold shrinkage allows for zero-defect precision in complex housing geometries.

      03. Finishing Compatibility

      Available in transparent amber or custom opaque colors; easily accommodates laser marking and high-vacuum metallization.

    • PBT (Polybutylene Terephthalate)

      SUPERIOR ELECTRICAL INSULATION

      PBT resin engineered for integrated connector surfaces requiring superior electrical insulation, resistance to dielectric breakdown, and stable dimensional consistency over time.

      01. Thermal & UV Resistance

      High continuous operating temperature; outstanding resistance to electrical arcing, dielectric breakdown, and thermal aging.

      02. Impact & Dimensional Stability

      Stiff and mechanically robust; extremely low moisture absorption guarantees stable electrical properties and dimensional consistency over time.

      03. Finishing Compatibility

      Easily colored for functional coding; accepts laser etching for permanent part identification; ideal for integrated connector surfaces.

    • ASA Polymer

      ULTIMATE OUTDOOR WEATHERABILITY

      ASA polymer formulated for exterior applications requiring long-term UV stability and environmental stress-cracking resistance across drastically fluctuating weather cycles.

      01. Thermal & UV Resistance

      Superior long-term UV stability; retains original color and gloss under continuous outdoor exposure without chalking or mechanical degradation.

      02. Impact & Dimensional Stability

      High environmental stress-cracking resistance; maintains tough mechanical properties across drastically fluctuating weather cycles.

      03. Finishing Compatibility

      Excellent surface aesthetics; perfect for Mold-in-Color (MIC) applications to eliminate secondary exterior painting costs and field peeling.

    • PEEK Polymer

      EXTREME ENVIRONMENT RESILIENCE

      PEEK polymer engineered for extreme environments requiring permanent dimensional accuracy, chemical inertness, and high tensile strength under continuous use above 250°C.

      01. Thermal & UV Resistance

      Unmatched thermal stability (continuous use >250°C); inherently flame retardant with extremely low smoke and toxicity emissions (FST compliant).

      02. Impact & Dimensional Stability

      Outstanding tensile strength, fatigue resistance, and creep resistance; near-zero moisture absorption ensures permanent dimensional accuracy.

      03. Finishing Compatibility

      Naturally highly resistant to almost all organic and inorganic chemicals; typically utilized in its natural state due to extreme surface inertness.

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    PRODUCT APPLICATIONS

    Industries Served

    Access expert technical guidance to optimize your component designs and resolve manufacturing challenges. Our engineering resources cover critical material selection, tolerance control, and failure prevention to ensure reliable performance in your specific application — backed by documented case studies.

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    EV Metal Stampings

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    Plastic-Metal Stampings

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    Logistics

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    Semiconductors

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    Medical

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    Consumer Electronics

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    Aerospace

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    Defense

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    • MANUFACTURING CAPABILITIES

      Injection Tooling & Molding

      High-precision injection molding services engineered for strict ±0.02mm tolerances and high-volume reliability. By integrating in-house Class 101 mold design and making with advanced overmolding and custom insert molding, we manage your project seamlessly from tool blueprint to finished component. Our IATF 16949-compliant manufacturing processes eliminate secondary assembly risks, embedding metal hardware directly into advanced polymer matrices while guaranteeing up to 1,000,000 flawless production cycles for mission-critical industrial applications.

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    • MANUFACTURING CAPABILITIES

      Multi-Material Injection Molding

      Mastering the full spectrum from ultra-flexible industrial elastomers to high-rigidity engineering thermoplastics, our injection molding services deliver uncompromising precision for complex geometries. We integrate advanced polymer science with Class 101 tooling to expertly process challenging resins—including PEEK, LCP, TPU, and Medical-Grade Silicone. Whether your project demands extreme high-temperature resistance, biocompatibility, or dynamic flexibility, our cross-material processing capabilities ensure absolute structural integrity and micron-level dimensional stability for mission-critical components.

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    • MANUFACTURING CAPABILITIES

      Custom Plastic & Insert Molded Components

      Engineered for extreme dimensional stability and complex functional integration. Moving far beyond commodity plastics, we specialize in manufacturing high-precision engineered components—from custom EV connectors and fluid handling systems to ultra-precise mechanical gears and optical lenses. Powered by our elite in-house tooling and machining infrastructure, we execute flawless pure-plastic injection and highly complex metal-to-plastic insert molding. By controlling the entire ecosystem—from raw high-performance polymer and alloy sourcing to final QA—we deliver rigorous tolerances for mission-critical automotive, medical, and industrial applications, scaling seamlessly from agile prototypes to high-volume automated runs.

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    TECHNICAL SUPPORT

    Engineering Solutions & Design Insights

    Access expert technical guidance to optimize your component designs and resolve manufacturing challenges. Our engineering resources cover critical material selection, tolerance control, and failure prevention to ensure reliable performance in your specific application.

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    Before Plating Batch: Stamped Electrical Terminals Finish Audit Checklist

    A supplier who plates your terminals but skips the JESD201 post-plating anneal will pass the incoming dimensional check. You discover tin whiskers only after field returns arrive. This checklist audits plating specification, pre-treatment protocols, and post-plating verification. Go through every item.

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    Before PPAP Submission: Stamped Electrical Terminals Compliance Audit Checklist

    A PPAP package submitted with a compliance letter but without the Cpk capability study will pass the document checklist and fail the customer SQE review. This checklist audits dimensional capability data, material cert traceability, and testing standards documentation before the submission package leaves your supplier. Go through every document.

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    Before Die Design: Stamped Electrical Terminals DFM Readiness Checklist

    A terminal drawing that passes CAD review but lacks springback compensation data will drift out of tolerance by stroke 50,000. Your supplier catches it only at first-article rejection. This checklist audits flat blank layout, bend radii, and material grain alignment before die steel is cut. Go through every item.

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    Before Tooling Cut: Stamped Electrical Terminals Supplier Audit Checklist

    A missed JESD201 anneal on your terminal lot triggers PPAP rejection, and you catch it only at the compliance audit. This checklist verifies DFM sign-off, material certs, and compliance docs before tooling cut. Go through the full audit.

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    Production-Scale Consistency: Appliances Stamped Electrical Terminals Engineering Guide

    A washing machine control board terminal passing factory testing fails after 2,000 cycles when the crimp joint relaxes. In this guide, you will learn cost-optimized material selection and UL 60335 compliance. Read the full guide.

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    USCAR-Validated: Automotive Stamped Electrical Terminals Engineering Guide

    An ECU stamped terminal passing testing at 25°C fails after 1,000 thermal shock cycles from -40°C to +125°C. In this guide, you will learn USCAR-2 contact stability and IATF 16949 PPAP. Read the full guide.

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    SERVICES LIBRARY

    Explore Other Plastic Parts Available

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    TECHNICAL REFERENCE

    Frequently Asked Questions

    Answers to common questions regarding precision, tooling, materials, and our integrated molding capabilities.

    We utilize advanced Moldflow simulations during the DFM phase to predict and eliminate dimensional warpage. By ensuring perfectly flat mating surfaces and precise groove dimensions for O-rings, we guarantee complete water and dust ingress protection for harsh environmental conditions.

    Yes, Kravzik specializes in integrated manufacturing by seamlessly combining precision plastic injection molding with in-house metal stamping capabilities. This allows us to overmold custom metal shields directly into the polymer housing, ensuring unbroken electromagnetic interference protection without secondary manual assembly.

    Absolutely. We process advanced high-performance resins like PEEK and Ultem that are inherently flame-retardant and compliant with rigorous aerospace flammability, smoke, and toxicity regulations. Our IATF 16949 certified quality governance ensures total material traceability for every flight-critical structural component.

    We utilize precision insert molding techniques rather than relying on post-molding heat staking. By encapsulating brass or stainless steel threaded inserts directly during the high-pressure injection cycle, we achieve superior pull-out and torque-out strength, maximizing durability for enclosures requiring frequent maintenance access.

    Backed by our in-house precision tooling fabrication and automated CCD vision inspection systems, we consistently hold tight assembly tolerances down to ±0.02mm. This micron-level precision guarantees flawless gap and flush fitment for seamless snap-fit designs and highly reliable gasket compression.

    For medical diagnostics and structural equipment, we highly recommend inherently stable materials like Polycarbonate or specialized PEI blends. These engineered polymers withstand harsh hospital-grade disinfectants and repeated sterilization protocols without suffering from environmental stress cracking or long-term structural degradation.

    We implement dynamic thermal management and precise gating strategies to strictly control the melt front velocity. By maintaining optimal injection speeds and venting trapped gases efficiently, we force the polymer streams to knit seamlessly, eliminating brittle weld lines and ensuring maximum impact resistance.

    Yes. As a vertically integrated manufacturing partner, we manage the entire project lifecycle under one roof. From rapid DFM validation and prototype bridge tooling to highly automated production runs exceeding 500,000 units monthly, we scale seamlessly to protect your launch timelines.

    Still have questions?

    Our engineering team loves solving complex problems. Chat with us or send your drawing for a review.

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