Engineering Authority • Precision HMI

China Top Membrane Keyboard Panel Factories & Supplier in the Split market

Precision tactile SUS301 stainless steel dome switches, IP67/IP68 sealed graphic overlays, and capacitive human-machine interface assemblies engineered in Dongguan for industrial, maritime, and automation systems across the Split region and Dalmatian industrial hub.

Standard & Custom Arrays

Precision Engineered Membrane Panels & Tactile Metal Dome Solutions

Explore our core product lineup certified under ISO 9001:2015, featuring tested actuation dynamics, superior tactile feedback, and robust environmental protection tailored for Split procurement professionals.

Free Sample Free Sample Metal Dome Array Single Layer Pet With Adhesive

Free Sample Metal Dome Array Single Layer Pet With Adhesive

  • Carrier Film: 0.05mm - 0.1mm PET
  • Adhesive Layer: 3M 467MP / Custom
  • Trip Force: 160g - 400g ±20g
  • Actuation Life: > 1,000,000 Cycles
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IP67 Waterproof Electronic Toy Film Circuit Membrane Switch Waterproof Button Membrane Switch

Electronic Toy Film Circuit Membrane Switch Waterproof Button Membrane Switch

  • Circuit Trace: Conductive Silver Ink
  • Dielectric Ingress: Perimeter Gasket Seal
  • Loop Resistance: < 100 Ω Custom
  • Operating Temp: -20°C to +70°C
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Smart Touch Intelligent Membrane Switch Panel, Washing Machine Touch Panel, Customized Membrane Switch

Intelligent Membrane Switch Panel, Washing Machine Touch Panel, Customized Membrane Switch

  • Overlay Finish: Textured Autotex PET
  • Capacitive Key: High Sensitivity IC
  • Display Window: Anti-Glare Smoked Poly
  • Chemical Resist: Detergent & Water Proof
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SUS301 Steel Waterproof Single Layer SUS301 Stainless Steel Dome Array Remote Control Metal Dome Array

Waterproof Single Layer SUS301 Stainless Steel Dome Array Remote Control Metal Dome Array

  • Dome Geometry: 4-Leg Cross / Dimple
  • Plating Option: Nickel / Flash Gold
  • Contact Bounce: < 5 ms Transient
  • Vent Channels: Micro-groove Aerated
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EMI Shielded Double-sided SUS301 Stainless Steel Dome Array EMI Metal Dome Array

Double-sided SUS301 Stainless Steel Dome Array EMI Metal Dome Array

  • Shielding: Carbon Mesh / Aluminum
  • Construction: Double-sided SUS301
  • EMI Attenuation: > 40 dB (30MHz-1GHz)
  • Application: Marine & Navigational
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Compact OEM High Quality Single Button Small Membrane Switch

High Quality Single Button Small Membrane Switch

  • Form Factor: Miniaturized Single-Key
  • Connector Type: 1.0mm - 2.54mm Pitch
  • Tactile Feel: Sharp Snap Perception
  • Flex Endurance: MIL-STD-202G Tested
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PMMA Capacitive Custom Waterproof Keypad Smart DoorTouch Switch Button Membrane Switch PMMA Membrane Switch Panel Capacitive

Custom Waterproof Keypad Smart DoorTouch Switch Button Membrane Switch PMMA Membrane Switch Panel Capacitive

  • Faceplate: Optical PMMA Acrylic
  • Touch Type: Solid-State Capacitive
  • Impact Rating: IK07 Vandal Resistant
  • Seal Grade: Full IP68 Ingress Seal
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High Density Single Layer SUS301 Stainless Steel Metal Dome Array for Earphone Mobile Phone Keypad Remote Control Switch

Single Layer SUS301 Stainless Steel Metal Dome Array for Earphone Mobile Phone Keypad Remote Control Switch

  • Target Nodes: Multi-key Matrix Layout
  • Dome Dimensions: 4mm to 12mm Diameter
  • Insulation Res: ≥ 100M Ω at 100V DC
  • Carrier Glue: Solvent-free Clean Adhesive
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16+ Years
Established March 2009 in Dongguan
2,600 m²
Dedicated Cleanroom & Assembly Facility
ISO 9001
Certified Quality Management • SGS Audited
< 0.08%
Strict In-Process Defect Rate via CCD Optical Check
Technical White Paper

Optimizing Membrane Keypad Performance in Split's Demanding Coastal & Industrial Environments

A comprehensive analysis of layer architectures, material selection, and environmental mitigation protocols for Croatian Dalmatian procurement engineers and technical buyers.

The industrial ecosystem of Split and the Dalmatian littoral corridor features a unique blend of maritime engineering, shipbuilding, industrial automation, specialized tourism infrastructure, and coastal telemetry systems. Operating electronic human-machine interfaces (HMIs) in this Adriatic coastal environment imposes acute engineering constraints. High ambient salinity, pronounced thermal shifts between coastal summer heat and humid winter winds (Bura), persistent ultraviolet (UV) radiation, and airborne saline particulate accelerate mechanical wear, chemical degradation, and electrical leakage in poorly manufactured membrane keyboards.
Dongguan Cevra Electronic Technology Co., Ltd. applies advanced membrane chemistry and precision electro-mechanical stamping to address these challenges directly. By implementing high-grade SUS301-CSP stainless steel snap domes, custom-formulated cross-linked UV surface textures, hermetic 3M adhesive perimeter barriers, and silver migration-resistant conductive traces with protective carbon overcoats, our factories produce interface panels that deliver over 1,000,000 to 5,000,000 crisp tactile actuation cycles without loss of dielectric stability.

IP67/IP68 Hermetic Perimeter Barriers

Utilizing high-cohesion acrylic adhesive systems (such as 3M 467MP, 468MP, or VHB) combined with laser-cut channel isolation, our panels prevent the ingress of salt-fog, cleaning chemicals, and condensation along coastal installations in Split.

Silver Migration Immunity & Carbon Bridges

Humid coastal environments induce silver dendrite growth under DC voltage bias. Cevra encapsulates conductive silver pathways with screen-printed carbon resistor ink, ensuring zero electrochemical short circuits across prolonged continuous duty.

SUS301 Hard-Drawn Tactile Dome Mechanics

Our four-leg, round, and triangular metal domes are stamped from premium SUS301 stainless steel with optioned flash-gold or nickel plating, delivering consistent trip force (160g-450g) and precise click ratios (40%-60%) with zero flatlining.

HMI Engineering Material Selection Matrix for Coastal Split Procurement

Substrate / Layer Parameter Autotex XE Biaxial PET Lexan 8010 Polycarbonate (PC) Optical PMMA Acrylic Polyimide Flexible FPC Circuit
Primary Application Outdoor Industrial / Marine Overlays Indoor Display Panels & Low-cost Keys Solid-state Capacitive Faceplates High-density Dynamic Connectors
Tensile Strength (ASTM D882) 150 - 180 N/mm² 60 - 70 N/mm² 70 - 75 N/mm² 200 - 240 N/mm²
UV Weathering Resistance Outstanding (Fluoropolymer Coated) Moderate (Prone to yellowing >18 mo.) Superior (Inherently UV stable) High (Typically encapsulated)
Actuation Flex Life > 5,000,000 cycles ~ 100,000 cycles (Embossed) Rigid / Non-tactile > 10,000,000 cycles
Salt Spray (ASTM B117 5% NaCl) No degradation at 500 hrs Surface hazing at 120 hrs Impervious at 500 hrs Full encapsulation required
Dielectric Withstand Voltage > 18 kV/mm > 15 kV/mm > 20 kV/mm > 25 kV/mm

*Data compiled from in-house Cevra quality laboratory test chambers under ASTM and ISO standardized conditions.

Regional Deployment

Localized Industrial & Maritime Application Scenarios in Split

From the Port of Split shipyards to regional manufacturing facilities in Dugopolje, our membrane switch assemblies are engineered to withstand specific regional duty cycles.

Shipyard & Naval Bridge Instrumentation

Split's prominent maritime refit centers and yacht builders require rugged, anti-glare bridge consoles and deck controls that endure constant salt spray, vibration, diesel fumes, and pressurized washdowns without false triggers or corrosion.

Dalmatian Solar & Wind Farm Inverters

Inland Dalmatian renewable energy sites face fierce solar exposure and wide diurnal temperature swings. Cevra's UV-stable Autotex XE overlays and heat-stabilized polyester circuits prevent delamination and embrittlement in inverter control enclosures.

Hotel Access & HVAC Split Systems

Dalmatian coastal tourism relies on robust, vandal-resistant HVAC split-unit controllers and architectural smart-door touch interfaces. We supply PMMA capacitive panels with backlighting that ensure an elegant aesthetic and multi-year reliability.

Food, Wine & Olive Oil Processing Lines

Regional processing operations require hygienic, wipe-clean HMI panels compliant with stringent food sanitation regulations. Our flush-mount, non-embossed or rim-embossed polyester overlays prevent particulate entrapment and resist alkaline wash detergents.

Innovation Outlook

Next-Generation Technology Trends Shaping Split HMI Designs

As equipment manufacturers in Split upgrade machinery for Industry 4.0, membrane switch architectures are evolving rapidly.

Why Partner With Us

Dongguan Cevra: Verified Manufacturing Direct From China's Electronics Core

Founded in March 2009, Dongguan Cevra Electronic Technology Co., Ltd. provides full-stack OEM/ODM manufacturing under an ISO 9001 certified quality management system audited on-site by SGS Group.

100% In-House Processing

Zero subcontracting risks. Precision automated screen printing, die-cutting, laser cutting, CCD camera drilling, dome array placement, and full cleanroom lamination all occur inside our 2,600 m² factory.

Rapid Prototyping & Low MOQ

We eliminate high financial barriers for European engineering houses. Custom prototype samples are delivered within 5 to 7 working days, with flexible initial runs starting at just 10 to 100 units.

Rigorous Analytical Testing Lab

Every production batch undergoes dome load-displacement curve verification, peel adhesion tensile testing, high/low temperature climatic stress (-40°C to +85°C), and automated electrical continuity checks.

Seamless European Export Logistics

Decades of international trade experience ensures swift customs clearance. We offer complete DDP, DAP, and FOB arrangements directly connecting Dongguan to Split via Zagreb, Rijeka, or Split Airport air cargo.

Procurement Guide

Frequently Asked Questions by Industrial Buyers in Split

Key technical, commercial, and operational queries answered by our senior electro-mechanical engineering team.

Q1: How do you ensure membrane switch longevity in Split's coastal maritime atmosphere?

We specify Autotex XE polyester films coupled with 3M 467MP/468MP closed-cell acrylic adhesives to create a continuous hermetic boundary. Internal vent reservoirs are integrated with breathable micro-porous membrane filters that equalize air pressure fluctuations during barometric shifts without permitting humid saline air to enter the contact cavity.

Q2: Can Cevra match specific custom tactile forces (actuation click) for industrial equipment?

Yes. Our in-house metal dome catalog encompasses trip forces from 160 grams up to 450 grams (±20g tolerance). We characterize every switch design on automated dome load testing instruments, generating precise force-displacement curves (F1 trip force, F2 return force, and tactile ratio) matching your exact ergonomic requirements.

Q3: What engineering documentation is required to initiate a tooling quotation?

To provide an exact quotation and Design-For-Manufacturability (DFM) review within 24 hours, please supply vector artwork in Adobe Illustrator (.AI), PDF, or AutoCAD (.DXF/.DWG) format, circuit schematic or pinout mapping, preferred tactile feel (dome or non-tactile), tail length, connector pitch, and operating environment specifications.

Q4: Why choose PET film circuits over traditional printed circuit boards (FR4)?

Screen-printed silver PET circuits and flexible FPC substrates are ultra-thin (0.1mm - 0.2mm), light, and highly malleable, permitting sleek enclosure integration without requiring bulky mechanical cavities. Furthermore, polyester circuits offer exceptional resistance to vibration shock encountered on marine vessels and mobile agricultural machinery.

Q5: What are the key distinctions between Polycarbonate (PC) and Polyester (PET) graphic overlays?

Polycarbonate (PC) is economical, easy to thermoform or emboss, and yields pristine optical clarity for display windows; however, it suffers from chemical sensitivity and short flex-life (~100k cycles). Polyester (PET) provides exceptional chemical resistance, withstands over 5,000,000 flex cycles, and exhibits superior resilience against aggressive washdowns.

Q6: What is your standard prototyping turnaround and mass production lead time for Europe?

Engineering DFM verification is typically completed within 24 hours. Prototype membrane switch tooling and sample production take 5 to 7 working days. Once golden samples are signed off, mass production orders (500 to 50,000 units) ship in 12 to 18 working days via international air express or scheduled consolidated sea freight.

Q7: How does Cevra verify the quality and electrical continuity of assembled dome arrays?

We deploy 100% automated electrical continuity testing checking loop resistance, isolation resistance (>100MΩ at 100V DC), and contact bounce. High-speed CCD optical cameras verify dimensional placement of metal domes, ensuring dome centers align strictly within ±0.05mm of circuit contact pads.

Q8: Can you deliver DDP (Delivered Duty Paid) to commercial facilities in Split and surrounding zones?

Yes. We regularly supply European industrial customers under Incoterms 2020 DDP. We handle all export customs in Shenzhen/Guangzhou, European import VAT, tariffs, and inland carrier delivery directly to your facility in Split, Dugopolje, Solin, or across Croatia with zero administrative friction.

Ready to Engineer Your Custom Membrane Interface?

Send your 2D/3D CAD drawings or project requirements directly to our senior engineering team. Receive comprehensive DFM analysis, material stack-up recommendations, and competitive factory pricing within 24 hours.