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Explosive Symbol Signs
Explosive Symbol Signs use the W002 explosion pictogram to warn you, staff and contractors where explosive materials or atmospheres may be present. Install them on stores, cabinets, doors and controlled work areas to make the hazard clear before entry or handling.
Where Explosive Symbol Signs Should Be Displayed
You should install these signs at the first point where someone may approach explosive materials, such as storage cupboards, cabinet doors, preparation rooms, restricted stores and controlled outdoor locations. Position them at eye level so the hazard is recognised before access or handling.
Viewing Distance Guidance for W002 Explosive Symbols
For a 300 x 300 mm symbol-only sign, aim for clear recognition from around 10–12 metres in open sightlines. Use closer placement on cupboards or doors where people approach directly, and keep the symbol unobstructed by shelving, stock or door furniture.
| Size option | Best viewing use | Practical distance |
|---|---|---|
| H 300 x W 300 mm | Doors, stores, cabinets, cupboards, controlled work areas | Approx. 10–12 metres |
What Changes Once the Explosive Hazard Is Clearly Shown
Once fitted, this sign helps people pause before entering, opening or handling materials in a risk area. It supports safer behaviour by making the explosive hazard visible early, especially where access is controlled or only trained staff should proceed.
Explosive Symbol Sign Technical Details
- Sign message: Symbol only
- EN ISO 7010 code: W002
- Conforms to EN ISO 7010
- Conforms to BS 5499 sign regulations
- Sign type: Hazard warning sign
- Purpose: Warns of explosive atmospheres
- Pictogram: Explosion icon in warning triangle
- Shape: Square
- Size: H 300 x W 300 mm
- Orientation: Portrait
- Background colour: Yellow
- Symbol colour: Black
- Text colour: Symbol only
- Finish: Glossy film surface
- Photoluminescent: No
- Reflective: No
- Materials: Rigid Plastic, self-adhesive Vinyl
- Material thickness: Various
- Display area: Indoors and outdoors
- Supply format: Single sign
- Fixing: Vinyl has adhesive backing
- Fixing: Rigid Plastic fixings available separately
- Mounting: Wall, door, cupboard or cabinet
- Use environment: Explosive material risk areas
Practical Fitting Advice for Explosive Symbol Signs
❌ Fitting the sign behind stored materials where it cannot be seen
❌ Placing it too low on doors where trolleys or stock may hide it
❌ Using one sign for several separate explosive storage points
❌ Do not rely on it instead of authorised access control
❌ Do not use it to replace product labels or COSHH information
❌ Do not fit it where the hazard has moved or no longer exists
✅ Install at eye level before the person reaches the hazard
✅ Use Vinyl on clean smooth cabinets and Rigid Plastic on rougher surfaces
✅ Add supporting instructions nearby if access, PPE or handling rules apply
Explosive Symbol Signs questions answered
What are Explosive Symbol Signs used for? They are used to warn people that explosive materials or explosive atmospheres may be present, helping them stop, check access rules and avoid unsafe handling.
Is W002 the correct code for an explosive material warning sign? Yes. W002 is the EN ISO 7010 warning symbol for explosive material, shown as a black explosion pictogram inside a yellow warning triangle.
Should I choose Vinyl or Rigid Plastic? Choose self-adhesive Vinyl for smooth indoor doors, cupboards and cabinets. Choose Rigid Plastic where you need a more durable sign fixed to a wall, fence, door or outdoor surface.
Can this sign be used without written text? Yes. The symbol-only format is useful where fast recognition matters, but you should add supporting written instructions nearby where procedures, access restrictions or PPE rules need explaining.
Where should a W002 explosive symbol sign not be used? Do not use it as a substitute for storage controls, training, risk assessments or substance labelling. It warns of the hazard; it does not manage the explosive risk on its own.
Explosive Symbol Signs Features and Benefits
- ✓ W002 explosion pictogram for recognised hazard communication
- ✓ Symbol-only format for fast understanding at access points
- ✓ Square 300 x 300 mm design for strong visual presence
- ✓ Choice of Rigid Plastic or self-adhesive Vinyl
- ✓ Helps you warn people before they enter explosive risk areas
- ✓ Reduces reliance on wording where quick recognition matters
- ✓ Supports clearer control around cabinets, stores and restricted rooms
- ✓ Gives you flexible fixing options for permanent or adhesive placement
Text-based warning options to support explosive symbols
For a clearer written warning, compare symbol-only use with caution risk of explosion safety signs. Useful when visitors or contractors need the hazard explained in plain wording.
If the danger relates to stored substances, review danger signs for explosive materials. Helpful where the source of the hazard should be identified more directly.
For atmosphere-specific areas, choose explosive atmosphere danger warning signs where the surrounding environment needs clearer identification. Suitable for controlled access and process areas.
Where ignition prevention must be highlighted, compare with explosive no smoking no naked lights warning. Useful when the sign must warn and instruct at the same point.
For a wider symbol and wording comparison, visit explosive hazard symbol and warning signs. Helpful when you want the best match for stores, access points and hazardous work areas.
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