ADR class 2.1b - flammable gases
Labeling of goods and vehicles containing dangerous goods.
Gases are defined as hazardous goods if the substances have a vapor pressure of 300 kPa or higher than 50 ° c. vapors of substances of other classes, articles loaded with gas and aerosols.
The size are calculated from left to right corner diagonally:
1. Plastic 1mm
2. Aluminum 0.5 mm
3. Vinyl (Adhesive Sticker)