Featured OEM Graphic Overlays & Membrane Switch Assemblies
Tested against harsh vibration, aggressive cleaning agents, abrasive dust, and thermal shocks. Explore our turnkey Human-Machine Interface (HMI) modules ready for direct procurement and CAD/CAM adaptation.
Waterproof & Dustproof Medical Equipment Membrane Control Panel
Customized Medical Instrument PET & Polycarbonate Membrane Key Switch
Adhesive Copper Foil Metal Snap Dome Array Sheet
Low MOQ Custom Membrane Switch Panel & Keypad Control
Laser-Engraved Stainless Steel & Aluminum Metal Equipment Nameplate
Manufacturer Custom Membrane Keypads with Integrated LED Graphic Overlay
SMT Cross 4-Legged Poly Metal Snap Dome in Tape & Reel Packing
Precision Film Circuit Waterproof Push-Button Membrane Switch
Structural Architecture of Industrial-Grade Graphic Overlays
A deep dive into layered polymer science, subterranean printing methodologies, and surface topography engineered for zero-defect operational deployment.
In high-reliability industrial automation, power distribution apparatus, and ruggedized diagnostic instruments, the graphic overlay is far more than an aesthetic brand nameplate—it is the foundational boundary barrier protecting sensitive microelectronics from aggressive physical and chemical degradation. At Dongguan Cevra Electronic Technology Co., Ltd., every graphic overlay engineered for our industrial export clients in Kharkiv is produced using second-surface (subsurface) screen printing and state-of-the-art optical digital processing.
By depositing specialized UV-curable, solvent-based, or dielectric inks on the underside of transparent biaxially-oriented polyethylene terephthalate (PET) or high-ductility polycarbonate (PC) film, the ink layer remains completely immune to surface scratching, ultraviolet solar discoloration, mechanical buffing, and chemical washdowns. Whether deployed in thermal power monitoring rooms, high-vibration engine bays, or medical centrifuges, subsurface graphics maintain permanent optical fidelity and legibility over decades of round-the-clock service.
Polycarbonate (PC / Lexan™)
The global standard for optical clarity, dimensional stability, and extreme impact resistance. Polycarbonate allows deep thermal embossing of tactile key rims, perimeter pillows, and crystal-clear LED/LCD windows.
- Tensile Strength: 60 - 70 MPa
- Heat Deflection Temp: Up to 135°C
- Available Finishes: Velvet, Matte, Gloss
Polyester (PET / Autotex™)
Unmatched cyclic flex life, superior chemical resilience, and stress-crack prevention. Premium grade PET is recommended for keypads subjected to continuous actuation (over 5 million flex cycles) and harsh cleaning solvents.
- Flex Life: >5,000,000 mechanical cycles
- Chemical Barrier: Ketones, Oils, Alcohols
- Available Coatings: Antimicrobial & Anti-UV
Adhesive Engineering (3M™ / Nitto™)
Selecting the correct lamination adhesive is critical to prevent edge-lifting caused by oil vapor, thermal expansion, or plasticizer migration from powder-coated and cast-aluminum enclosures.
- High Energy Surfaces: 3M 467MP (200MP)
- Low Energy Plastics: 3M 300LSE / 9472LE
- Shear Strength: Tested to ASTM D3654
Substrate Performance Evaluation Matrix
Comparing engineering properties to determine optimal material selection for industrial operating environments.
| Evaluation Parameter | Polycarbonate (PC) | Polyester (Autotex PET) | PMMA (Acrylic Glass) | Stainless Steel Plates |
|---|---|---|---|---|
| Actuation Switch Life (Flex) | Moderate (~100,000 cycles) | Extreme (>5,000,000 cycles) | Rigid Only (0 cycles) | Rigid Housing Only |
| Chemical & Hydrocarbon Resistance | Fair (Vulnerable to acetone/aromatics) | Exceptional (Immune to fuels, alcohols) | Good (Susceptible to alcohol cracking) | Impervious to Organic Solvents |
| Tactile Embossing Definition | Crisp, stable rim & pillow embossing | Requires hydroforming or heated dies | Non-embossable (Flat/Milled) | Stamped / CNC Engraved |
| Optical Clarity of Windows | 90% - 92% (Water-clear transparency) | 88% - 91% (Requires clear print lacquers) | 92% - 94% (Highest light pass) | Cutout Apertures Only |
| Operating Temp Range | -40°C to +125°C | -40°C to +105°C | -20°C to +70°C | -60°C to +400°C |
| Dielectric Breakdown Voltage | 15 - 20 kV/mm | 18 - 25 kV/mm | 20 kV/mm | Conductive (Requires ground) |
Localized Application Scenarios Across Kharkiv’s Industrial Base
Historically recognized as Ukraine's center for mechanical engineering, instrumentation, defense technology, and tractor manufacturing, Kharkiv requires specialized human-machine interfaces built to endure strenuous regional environments.
1. Electrical Machinery, Turbines & Energy Grid Panels
Kharkiv hosts world-class electrical power generation facilities, transformer manufacturing plants, and turbine engineering hubs. Control equipment operating within high-voltage sub-stations and generator floors requires front panels with extreme dielectric breakdown resistance (over 18 kV) and integrated silver/aluminum grid shielding to suppress Electrostatic Discharge (ESD) and Electromagnetic Interference (EMI).
Our custom overlays feature grounded conductive tails and high-voltage dielectric spacer films that isolate internal logic boards from accidental arc discharges and transient voltage spikes.
2. Agricultural Equipment & Heavy Harvesting Machinery
Surrounded by extensive agrarian tracts in Northeastern Ukraine, Kharkiv’s agricultural implement manufacturers (e.g., grain processing units, combine cabins, and tractor assemblies) demand operator interfaces capable of withstanding intense solar UV exposure, thick airborne chaff, damp soil, and direct pressure-washer cleaning.
We deliver custom textured polyester overlays bonded with high-performance 3M 300LSE adhesive, specifically calibrated for textured cast-iron dashboards and powder-coated control boxes that operate reliably through humid +38°C summers and freezing -30°C winter conditions.
3. Medical Devices & Bio-Analytical Instrumentation
Kharkiv’s medical research universities and clinical device manufacturers produce diagnostic spectrometers, blood analyzers, patient monitoring consoles, and sterilization equipment. These interfaces cannot harbor microbial colonies or degrade when subjected to hospital-grade disinfection protocols.
Our medical-grade PET overlays incorporate chemical-resistant finishes that resist continuous wipedowns with 70% isopropyl alcohol, quaternary ammonium solutions, and sodium hypochlorite (bleach), ensuring zero fogging of display windows or delamination of tactile switch keys.
4. Municipal Transport, Railway & Reconstruction Infrastructure
As Kharkiv actively modernizes its subway rolling stock, municipal tram systems, municipal pumping networks, and civil reconstruction machinery, there is a critical need for tamper-proof, vandal-resistant, IP66-sealed operator keypads.
By pairing precision laser-engraved 304/316 stainless steel faceplates or dead-front backlit polycarbonate panels with long-travel stainless steel snap domes, Cevra provides operators with distinct tactile feedback even when working with thick thermal gloves in field environments.
HMI Modernization Trends in Kharkiv's Manufacturing Sector
How engineering directors and system integrators in Kharkiv are phasing out legacy electromechanical switches in favor of modern, sealed solid-state membrane interfaces.
Migration to Sealed Monolithic HMI
Traditional discrete push-buttons collect dirt, moisture, and fine metal shavings in annular gaps, causing contact oxidization and premature short circuits. Kharkiv manufacturers are accelerating the transition to integrated membrane keypads that feature a completely unbroken, flat exterior seal meeting IP67 standards.
Rapid Prototype-to-Production Cycles
In response to supply chain adaptations and urgent equipment refurbishment needs across Ukraine, engineers in Kharkiv require fast iterative prototyping. Cevra supports digital UV proofing and precision laser plotting, delivering verified engineering prototype samples without requiring upfront metal stamping dies.
Integration of Low-Profile LED Backlighting
Modern machine panels increasingly incorporate embedded surface-mount LEDs and thin Light Guide Film (LGF) layers. This provides uniform illumination of status annunciators, dead-front warning indicators, and low-light button legibility while maintaining a panel thickness under 1.5mm.
Dongguan Cevra Electronic Technology Co., Ltd.
Established in March 2009 in Dongguan, China—the epicenter of global precision hardware and electronics manufacturing—Cevra operates as an authentic OEM/ODM custom manufacturer. With 2,600 square meters of modern manufacturing facilities, we execute every phase in-house: from graphic silkscreen printing and CCD alignment drilling to automated adhesive lamination and high-precision laser cutting.
- ISO 9001:2015 Quality System Certified
- Verified Onsite by SGS Group
- Automatic Dome Load & Curve Testing
- High/Low Temperature Thermal Cycling
- 100% Circuit Open/Short Electrical Inspection
- Pencil Hardness & Tape Tack Testing
Frequently Asked Questions by Technical Buyers in Kharkiv
Detailed answers addressing engineering feasibility, CAD submission standards, Ukrainian language font vectorization, customs compliance, and harsh environmental testing.
What design files and CAD specifications are required to initiate an OEM graphic overlay project?
Can you produce graphic overlays with Ukrainian Cyrillic typography and custom industrial symbology?
How do your graphic overlays withstand Kharkiv’s sub-zero continental winters?
What is the typical shipping process and export lead time to Kharkiv, Ukraine?
Should we specify Polycarbonate or Polyester for high-vibration tractor and machinery cabins?
What are your Minimum Order Quantities (MOQ) for pilot trials and custom replacement runs?
Initiate Your Custom Graphic Overlay Project Today
Connect directly with our senior application engineers in Dongguan. Send your CAD drawings, sample specifications, or project requirements for comprehensive DFM analysis, material recommendations, and a direct factory quotation within 24 hours.