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عربىTechnical Parameters for Electronics Cleanrooms
The right specification depends on product sensitivity and customer requirements. Your process engineers and customers decide the final class and ESD limits. The table gives common references.
| Process area | Typical class | Common design points | Typical materials from us |
|---|---|---|---|
| Camera module and lens assembly | ISO 6–7, local ISO 5 | Dust control, ESD, low humidity swings | Panels, Laminar Air Flow, Air Shower |
| Display and touch panel assembly | ISO 6–7 | Particle and static control | Anti-static panels, HEPA Supply Boxes |
| PCB imaging and solder mask | ISO 7–8, yellow-light areas | UV-filtered lighting, humidity control | Panels, windows |
| Fine-pitch SMT and wire bonding | ISO 7–8 | Temperature, humidity, ESD control | Panels, flush doors |
| Hard drive and sensor assembly | ISO 5–7 | Low particle counts, ESD | Panels, Laminar Air Flow |
| Packaging and inspection | ISO 7–8 | Clean, stable environment | Panels, Pass Box |
ESD and environment:
- Humidity: about 40–60 % RH is common, since very dry air raises static risk.
- Temperature: about 20–26 °C, tighter for precision steps.
- ESD standards: many plants follow ANSI/ESD S20.20 or IEC 61340-5-1, with dissipative surfaces commonly in the 10⁶ to 10⁹ ohm range; your customer sets the limits.
- Air changes: often 30–60 per hour in ISO 7 rooms, as set by your HVAC designer.
We customize size, color, window options and door width for each plant.
Layout reminder: keep material entry, finished goods exit and personnel flow separate, and place Air Showers and Pass Boxes at the boundaries of the highest-class areas. Wide doors and smooth thresholds make cart movement easier and reduce wear on walls and floors.
Cross-Border Delivery and Localized Construction Support
Electronics factories often need to start production within a few months, so delivery speed matters. We plan shipments around machine delivery dates and line start-up, and we keep a clear schedule visible to your project team.
- Layout review: we confirm line layout, machine sizes, door widths and utility routes.
- Flat-pack shipping: panels and profiles are packed flat, and mixed loads cut freight cost.
- Documents: packing list, commercial invoice and certificate of origin, with FOB, CFR or CIF terms.
- Phased shipments: line-by-line delivery supports staged start-up.
- Installation support: manuals, video guidance or a supervising engineer.
Local construction: a trained local contractor can install electronics cleanrooms quickly using our drawings. Key coordination points include machine access, floor loading, power and data cable routes, compressed air and exhaust openings. These penetrations should be agreed before the walls are closed, and sealed carefully afterward.
For overseas plants, such as electronics factories in Southeast Asia, Mexico or Eastern Europe, we also advise on local fire rules and power or lighting interfaces, which vary by country. Your engineer remains responsible for approvals and local compliance.
Electronics projects are often managed in several countries at once, with machine vendors, local contractors and head-office teams all involved. We keep drawings, delivery schedules and packing documents consistent for all parties, and we answer queries quickly, so project managers can plan site work with confidence.
Staged shipments can also be arranged when your building handover is phased, which prevents panels from waiting too long in storage.
Quality Control and Certification
Electronics customers audit their suppliers regularly, so factories need reliable cleanroom products and clear records. Wall panels are not "ESD certified" by a standard on their own; ESD compliance is verified on site through measurements. We supply consistent products and honest documentation.
| Control step | Inspection | Why it matters |
|---|---|---|
| Incoming materials | Sheet, face, core, profiles, gaskets, glass | Known quality |
| Panel production | Dimensions, flatness, bonding, edge sealing | Tight, flush joints |
| Surface inspection | Scratches, bubbles, color, cleanability | Low particle generation |
| Anti-static option | Review of material data against your target | Static control |
| Door and equipment | Function test of doors, Air Shower and Pass Box | Ready for installation |
| Packing | Count, labels, condition | Complete delivery |
Documents available: material specifications, factory inspection records, filter data and, where available, reports on fire or surface performance.
If your plant requires specific surface resistance values, please give us the target and test method. We will check what the selected material can support and recommend on-site measurement with a calibrated meter after installation. Customer audits and sample approval are welcome, and our factory can be visited by arrangement.
Electronics customers often face audits from brand owners, who may check environmental controls, ESD programs and supplier records. We help by answering questionnaires, sharing sample panels and providing material data. Our factory welcomes visits, and live video tours are available for remote teams.
Honest information matters most. If a certain test report or declaration does not exist, we will say so early, and we can discuss whether a third-party test is useful for your audit.
After-Sales Service and Response Capability
In electronics, product lines change often, and production calendars are tight. Our after-sales team focuses on quick repair and flexible modification, using project records that show every component supplied.
- Fast communication: technical questions answered in English by email, phone or messaging.
- Remote diagnosis: photos or videos of doors, gaskets, windows and joints help us assess problems.
- Spare parts: door hardware, gaskets, windows, lights, filters and panels.
- Line changes: doors can be widened, openings added or rooms extended with updated drawings.
- Engineer visits: by arrangement.
Typical issues and responses:
| Observation | Possible cause | Suggested action |
|---|---|---|
| Dust or particle complaints | Filter leak, open penetration, damaged surface | Leak-test filter, reseal, repair surface |
| Static events increase | Dry air, worn ESD surfaces | Check humidity, clean or replace surfaces |
| Door misalignment | Heavy use, hinge settling | Adjust hinge, check frame |
A simple log of changes and measurements helps us support you. Please send photos, the room number and a short description, and we will reply with a practical solution.
Changes in layout are common in electronics plants, so we treat modification as part of after-sales service. When you plan to add a machine, widen a door or create a new pass-through, send us the present drawing and a simple sketch of the change. We will advise how to cut and seal the opening, supply any reinforcement and prepare matching parts.
Keeping a small stock of spare panels, gaskets, sealant and door hardware allows quick repair. For urgent cases, we discuss the fastest shipping option.
Our engineers can also join a video call with your maintenance team to guide a repair step by step.
Commercial Terms, Warranty and Lifecycle Cost
Electronics margins are often thin, so factory owners look carefully at cost. The best value usually comes from matching the class to each process step rather than building the whole plant to the highest class. Using ISO 5 only where needed, and ISO 7 or 8 elsewhere, can lower both construction and energy cost.
| Item | Our approach |
|---|---|
| Quotation | Itemized by room and component, with drawings |
| Trade terms | FOB, CFR or CIF, defined in the quotation |
| Payment | Commonly a deposit with balance before shipment or against documents; final terms in the contract |
| Warranty | Defined by component group in the contract |
| Lead time | Given after drawing confirmation |
| Customization | Size, thickness, color, ESD options, door layout |
Ways to control lifecycle cost:
- Zoning: separate high-class stations from general areas.
- Airtightness: reduces air handling energy.
- Modular layout: allows lines to be moved as products change.
- Protection: rails and bumpers protect walls and doors from cart impact.
Production machines, HVAC, power, lighting systems, monitoring and permits are outside our supply. Warranty exclusions are stated clearly in the contract.
When comparing quotations, make sure each supplier lists the same items: panel type, thickness, face material, ESD options, doors, windows, ceiling panels and packing. We provide itemized quotations and can show how alternative faces or cores affect price and performance.
For multi-line plants, we also suggest asking for a phased price, so that each line can be ordered when its machines are confirmed. This keeps cash flow smooth and avoids paying for rooms that will not be used immediately.
Real Factory Strength for Electronics Projects
Electronics buyers value quick answers and stable supply. Pharma United Co., Ltd., founded in 2006, runs two factories in Kunshan and Qianjiang covering 20,000 m² with more than 60 staff. We are a manufacturer, not a trading company.
| Indicator | Information |
|---|---|
| Experience | 20+ years in cleanroom engineering |
| HPL cleanroom panels | About 250,000 m² per year; China's largest HPL cleanroom panel manufacturer |
| Container shipments | More than 1,000 forty-foot high-cube containers per year |
| Location | Kunshan, about 30 km from Shanghai |
| Product range | Panels, doors and windows, equipment, modular PODs, HEPA products |
| Service | Design, manufacture and installation support |
Why this helps electronics buyers: Kunshan is a major electronics manufacturing area, and our factory sits near Shanghai port, which helps export logistics. Large panel output supports big plants with uniform finish, and doors, windows, Air Showers and Pass Boxes match the wall system.
Samples, references, factory visits and video tours are available on request. Our engineers answer technical questions directly, so decisions are not delayed.
We can also adapt standard layouts quickly to match line changes.
Our designers prepare layouts and drawings, our engineers review sealing and interface details, and our production teams run dedicated lines for panels, doors and equipment. Export coordinators prepare packing and documents for shipments to electronics clusters in many countries.
Customers regularly return for new lines and spare parts, and we can share photos and videos of completed rooms on request. Factory visits are welcome by arrangement.
Visitors can follow the full process, from sheet cutting and panel pressing to door assembly and packing.
Electronics & PCB Assembly Cleanroom FAQ
Q1. Does an SMT line need a cleanroom?
Not always. Many SMT lines need a clean, temperature and humidity controlled hall. Cleanrooms are more common for camera modules, displays, sensors, hard drives, optics and fine-pitch processes.
Q2. Which class suits camera module assembly?
ISO 6 or ISO 7 is common, with local ISO 5 at critical stations. Your customer or process team confirms the target.
Q3. Do you supply anti-static panels?
Yes, we offer anti-static options. Please give us your target resistance and test method, and we will check suitability.
Q4. What humidity should I use?
About 40–60 % RH is common. Very low humidity increases static, while very high humidity can affect materials and soldering.
Q5. Can you build yellow-light rooms for PCB imaging?
Yes. We can supply the envelope and windows, while UV-filtered lighting is specified with your lighting supplier.
Q6. How fast can a room be built?
Modular panels allow quick installation. We give a schedule after reviewing your drawings.
Q7. How do I get a quotation?
Send your product type, line layout, target class and destination country.
Q8. Can I reuse the panels if my line moves?
Often yes. Modular panels can be dismantled and reinstalled, although some consumables, such as gaskets and sealant, should be replaced.
Q9. Do you offer sample panels?
Yes, samples can be sent for testing, including surface resistance measurement with your own meter.
Q10. Can you help with layout?
Yes, we prepare layout proposals that you can adjust to your process.
