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Author: Veress Árpád · Explosion-protection expertDAILY Ex - 6 NOVEMBER 2026
TODAY'S FOCUS: The protective measures that matter most are often the ones nobody notices-until they fail. A fatality update from Taiwan, research into electrostatic ignition hazards, an important distinction in IECEx repair certification, and lessons from industrial process failures lead today's edition. For Heads of Operations: Explosion protection must remain effective during normal production, maintenance, material handling and unexpected operating conditions.
⚡ DAILY Ex | 6 NOVEMBER 2026
Explosion Protection | Operational Ex | Global Watch
TODAY'S FOCUS: The protective measures that matter most are often the ones nobody notices-until they fail.
A fatality update from Taiwan, research into electrostatic ignition hazards, an important distinction in IECEx repair certification, and lessons from industrial process failures lead today's edition.
For Heads of Operations: Explosion protection must remain effective during normal production, maintenance, material handling and unexpected operating conditions.
🔴 1. TAIWAN | Two deaths confirmed after electronics-factory explosion
NEW DEVELOPMENT - 5 November 2026
Authorities in Taiwan confirmed that two people previously reported missing following Wednesday's explosion and fire at a factory operated by https://www.panasonic.com/ Industrial Devices Materials Taiwan had died.
Five other people were injured in the incident at the Hsinchu County facility.
The explosion occurred on 4 November, followed by a major fire.
The initiating cause remains under investigation. No confirmed evidence currently establishes whether flammable vapours, combustible dust or another mechanism initiated the explosion.
Why it matters operationally: Explosion investigations must distinguish the initiating event, subsequent fire, emergency response and consequences.
Management action: Review personnel accountability, emergency isolation and evacuation arrangements for enclosed production areas.
🔴 2. CAMEROON | Fatal iron-smelting explosion raises questions about process integrity
RECENT INCIDENT - 2 November 2026
An explosion at Metafrique Steel in Douala killed at least four people and severely burned 16 others.
The explosion was followed by a fire.
The company referred to an external factor, but the technical cause had not been established in the available reporting.
Why it matters operationally: Metal-processing incidents can involve molten materials, water interaction, pressure systems, combustible dust or other mechanisms.
An explosion at a steelworks is not automatically an ATEX dust explosion.
Management action: Verify the integrity of cooling systems, process equipment, operating procedures and emergency isolation arrangements.
https://www.reuters.com/world/africa/explosion-kills-four-cameroon-iron-smelting-plant-2026-11-02/
🔬 3. JAPAN / SOUTH KOREA | Can antistatic clothing create an unexpected discharge?
RESEARCH SPOTLIGHT - 2026
A study published in Advanced Powder Technology investigated electrostatic charging of workers standing near highly charged Type A flexible intermediate bulk containers (FIBCs).
Researchers examined six types of workwear under laboratory conditions simulating the electric field around a charged insulating bulk bag.
An important finding was that workwear incorporating a continuous conductive-fibre network produced visible spark discharges under the investigated conditions.
This does not mean antistatic clothing is generally unsafe. The result highlights the importance of the complete electrostatic arrangement, including personnel grounding, clothing construction and nearby insulating materials.
Why it matters operationally: Electrostatic safety cannot be established by checking individual components in isolation.
Engineering lesson: Evaluate the worker, clothing, footwear, floor, FIBC and powder-transfer process as an interacting system.
https://doi.org/10.1016/j.apt.2026.105460
📘 4. IECEx | Repair certification is not a universal repair authorization
CERTIFICATION PRACTICE - Current requirements, not breaking news
The IECEx Certified Service Facilities Scheme provides certification for defined Ex service activities.
For repair, overhaul and reclamation, the relevant operational documents include OD 313-5, OD 314-5 and OD 316-5.
These address assessment, quality-management requirements and acceptance of certification bodies.
The applicable edition must be verified against the controlled IECEx document register.
Why it matters operationally: A certified repair facility must still establish the technical basis for the specific repair and operate within its certified scope.
Management action: Before accepting repaired Ex equipment, verify the repair documentation, applicable protection concept, competence, measurements and release authorization.
https://www.iecex.com/certified-service-facility-scheme/operational-documents-ods/
⚖️ 5. ATEX / IEC | Electrostatic hazards extend beyond electrical equipment
GOOD ENGINEERING PRACTICE
Under workplace ATEX requirements, explosion-risk assessment must consider potential ignition sources, including electrostatic discharges.
Relevant technical guidance includes IEC TS 60079-32-1 on electrostatic hazards.
For powder-handling operations, this means considering the complete process: material resistivity, charging mechanisms, transfer rates, conductive connections, insulating surfaces and personnel.
Why it matters operationally: Replacing a bulk bag, flexible hose, liner or workwear specification can change the electrostatic ignition risk without changing any Ex-certified electrical equipment.
Management action: Include electrostatic compatibility in purchasing specifications and Management of Change procedures.
⚙️ 6. TECHNOLOGY | Dust-collection systems and electrostatic charging
RESEARCH AND ENGINEERING WATCH - 2026
Research published in the Journal of Loss Prevention in the Process Industries examines dust-explosion mechanisms associated with electrostatic spraying dust-removal systems.
The subject is relevant to facilities where dust transport, collection and electrostatic processes operate together. https://ouci.dntb.gov.ua/en/works/9ZPdYR0v/
Why it matters operationally: Dust-collection equipment may introduce hazards beyond those associated with the original production machine.
Engineering lesson: Assess the collector, ductwork, electrical and non-electrical ignition sources, explosion protection and isolation arrangements as one system.
https://doi.org/10.1016/j.jlp.2025.105832
📅 7. UK | Hazards 36 program focuses on maintaining effective barriers
UPCOMING EVENT - 17–19 November 2026
Hazards 36 will bring together process-safety professionals in Manchester.
The program covers major-hazard management, barrier assurance, hydrogen and ammonia, battery energy storage, digitalization and learning from industrial accidents.
The conference is organized by the https://www.icheme.org/. https://www.icheme.org/training-events/hazards-process-safety-conference/
Why it matters operationally: Maintaining effective barriers requires technical competence, management commitment and evidence that protective functions work under actual operating conditions.
https://www.icheme.org/training-events/hazards-process-safety-conference/
▶️ OPERATIONAL Ex USE CASE
The flexible hose is replaced. Nobody considers it a process modification.
PRACTICAL | Illustrative scenario
A pharmaceutical facility transfers combustible powder from a bulk bag into a mixing vessel.
The original transfer hose is conductive and connected to the plant's bonding arrangement.
During maintenance, the hose is replaced with a visually similar transparent plastic hose.
The replacement has the correct diameter and pressure rating.
Production restarts.
What has changed?
The new hose may have different electrical properties, allowing electrostatic charge to accumulate during powder transfer.
Depending on the material, flow conditions and surrounding atmosphere, an incendive discharge may become possible.
The fact that the mixer motor and associated electrical equipment remain Ex-certified does not resolve the electrostatic hazard.
Required decision: Engineering must establish whether the replacement hose is suitable for the actual powder, transfer conditions and hazardous-area environment.
Owner: Maintenance Manager, supported by Process Engineering and the Ex Responsible Person.
Required evidence: Approved hose specification, electrostatic suitability assessment, bonding verification where applicable, updated maintenance instructions and return-to-service authorization.
STOP criterion: Do not use a replacement hose where its electrostatic suitability has not been established.
Measure: 100% of replacement components affecting electrostatic protection verified before installation.
▶️ TODAY'S Ex QUESTION
A conductive powder-transfer hose is replaced with an insulating hose of identical dimensions. What is the critical Ex consideration?
A. No reassessment is necessary because the dimensions are unchanged.
B. The replacement is acceptable if the connected motor is Ex-certified.
C. The electrostatic charging and discharge hazards must be reassessed.
D. Grounding the metal equipment automatically eliminates all hose-related electrostatic hazards.
Correct answer: C.
An insulating hose can accumulate charge even when connected metal equipment is grounded.
⚡ DAILY Ex | CLOSING THOUGHT
Today's research and incident learning reinforce an important distinction.
Explosion protection is not simply the sum of individually compliant components.
A certified motor, an approved bulk bag, suitable workwear and a grounded vessel do not automatically establish that the complete powder-handling process is safe.
Their interactions matter.
For Heads of Operations, this means looking closely at routine substitutions, maintenance decisions and changes that appear too small to require formal engineering review.
The smallest modification can invalidate an important explosion-protection assumption.
That is Operational Ex.