ADR Dangerous When Wet Label Class 4.3 | Dangerous Goods
ADR Dangerous When Wet Label Class 4.3 | Dangerous Goods
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ADR Dangerous When Wet Label Class 4.3 is an ADR dangerous goods marking (Label model No. 4.3). It identifies Class 4.3 substances which, in contact with water, emit flammable gases. Available in aluminium, rigid PVC, in 2 sizes from 100 × 100 mm to 300 × 300 mm.
Technical specifications
| Product type | ADR label / placard for dangerous goods |
|---|---|
| Reference code | Label model No. 4.3 |
| Meaning | Identifies Class 4.3 substances which, in contact with water, emit flammable gases |
| Standards / regulation | ADR (European Agreement concerning the International Carriage of Dangerous Goods by Road), ADR 5.2.2 (label) / 5.3.1 (placard) |
| Shape and colours | square standing on a point (diamond), colour and symbol according to the ADR label model |
| Materials available | aluminium 0.5–1 mm, indoor/outdoor, made in Italy (300 × 300 mm); rigid PVC (100 × 100 mm, 300 × 300 mm) |
| Sizes available | 100 × 100 mm; 300 × 300 mm |
| Use by size | 100 × 100 mm = label for packages (ADR 5.2.2.2.1.1, minimum 100 mm); 300 × 300 mm = placard for containers, tanks and vehicles (ADR 5.3.1.7, minimum side 250 mm) |
| Mounting | screws or tape; sold as individual rigid labels, not on a roll |
| Origin | aluminium versions made in Italy |
| Brand | StoreForSigns |
Where to install it
- On packages, drums, IBCs and overpacks (100 × 100 mm label, ADR 5.2.2)
- On containers, tanks and vehicles as a placard (300 × 300 mm, ADR 5.3.1)
- In warehouses and dangerous goods storage areas to mark segregated zones
Materials
- Aluminium: 0.5–1 mm aluminium sheet (thickness depends on the format), printed with solvent-based inks for resistance to weathering, finished with a polyurethane protective varnish and a transparent protective coating. For indoor and outdoor use. Made in Italy under an ISO 9001 quality system. Fixing: screws, rivets or double-sided tape.
- Rigid PVC: rigid PVC sheet, lightweight and weather-resistant, for mounting with screws or tape on packages, containers and transport units.
Regulatory context
Labels and placards for the transport of dangerous goods by road are defined in ADR (chapter 5.2 for the marking of packages, chapter 5.3 for containers, tanks and vehicles). The design, colours and symbol of each label are prescribed by ADR; the consignor is responsible for selecting the correct label for the UN number and class of the goods.
Frequently asked questions
What does the ADR Dangerous When Wet Label Class 4.3 mean?
It identifies Class 4.3 substances which, in contact with water, emit flammable gases.
Label or placard: which size do I need?
The 100 × 100 mm size is the ADR label for packages, drums and IBCs (chapter 5.2.2). The 300 × 300 mm size is the placard for containers, tank containers, tanks and vehicles (chapter 5.3.1, minimum side 250 mm).
Is this an adhesive label on a roll?
No. StoreForSigns sells individual rigid labels and placards in PVC or aluminium, designed to be mounted with screws or tape and reused – not single-use labels on a roll.
Delivery and minimum order
StoreForSigns ships free across the EU and the UK with no minimum order quantity; B2B customers can order a single sign.
See the full range in the ADR labels and transport markings collection.
Article numbers and EAN codes
| Version | Item no. | EAN |
|---|---|---|
| Polyvinyl chloride (PVC) / 300x300 mm | 1760538104825-830 | 8055594410539 |
| Polyvinyl chloride (PVC) / 100x100 mm | 1760538104825-476 | 8055594410522 |
| Aluminum / 300x300 mm | 1760538104825-210 | 8055594410515 |
EAN (GTIN-13) barcodes are shown per version. Item numbers are StoreForSigns references.
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