Signage reference: BEX-SGN-0258
When this signage is recommended
Recommend at the point where chemical, biological, radiation or reactive-process hazards are present. For “Pyrophoric Reaction in Progress”, use it when the specific message is not already clear, permanent and visible at the point where the decision or action occurs.
Problem it solves
The specific hazard is not recognisable before handling or entry. This design specifically addresses confusion or incorrect action related to “Pyrophoric Reaction in Progress”.
Why it matters
Communicates the hazard category clearly and prompts the required caution, PPE and controlled behaviour. For this signage, the value is making “Pyrophoric Reaction in Progress” immediately understandable without asking or checking another document.
Typical location
Reaction areas and fume hoods
Recommended placement
On the container, equipment or entrance to the hazard area without obscuring statutory labels.
When signage may not be enough
Use the correct regulated symbol and wording; do not create non-standard hazard symbols.
Material and execution
Default material: STK – Adhesive Sticker
Alternative materials: ACP – Printed ACP Board; MAG – Magnetic Signage
Final size, language, mounting and execution are confirmed after site assessment.
Related signage solutions
BEX-SGN-0253 — Biohazard; BEX-SGN-0256 — Corrosive




