In addition, dangerous goods of this ADR class are classified with regard to their vapor pressure. A distinction can be made here between a high and a low vapor pressure. High vapor pressure is spoken of when high outside temperatures prevail and these also increase the vapor pressure of the hazardous substance. An evaporation process occurs, so that the substance behaves in a volatile mannerand the risk of fire increases.

Dangerous goods class 3 substances belong to flammable liquids, which is a shared property with classes 6.1 to 8. Therefore, care must also be taken here during storage to ensure that no actual hazard can arise. In addition to the labeling according to the applicable labeling ordinance BGBl II No. 101/1997, for example, the following factors must also be adapted to the dangerous goods:

One of the most important classification criteria is the flash point already mentioned. This indicates thelowest temperature at which a flammable, liquid hazardous substance can still ignite. This is mainly due to the vapor-air mixture, which in the case of liquid substances is volatile – and not infrequently highly flammable. The flash point is mostly specified at a pressure of 1,013 mbar and must not exceed the limit of 60 °C for substances of dangerous goods class 3.

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The hazard labels include a specific color, shape and a hazard symbol according to GHS, which must be shown on the upper half. These symbols are also standardized and look as follows:

Substances and mixtures that have a harmful effect on humans or the environment are referred to as hazardous substances. They are subject to many laws and regulations on labeling, classification and handling. Especially in the workplace, knowledge of these regulations is elementary. Read this blog post to learn what hazardous materials are, what proper hazardous material labeling looks like, and why it's so important.

Three different packaging groups are possible for dangerous goods class 3, which refer to the emanating danger of the substance and to theboiling and flash point. Substances for packing group 3 (VG III) present only a slight hazard.

Typical examples of substances in this class include gasoline and alcohol. But also some liquid metals can be counted to ADR class 3.

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The hazard label for the transport of dangerous goods class 3 has the GHS symbol of the flame on the upper half, while the number 3is noted on the lower half. If applicable, the letter of the compatibility class is also noted there. Such a danger label can be easily purchased online as a sticker.

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In addition, there are other properties that flammable liquids can bring with them, which must not be forgotten when considering the hazards of this ADR class. These include, for example, the fact that the substances form a highly flammable air-gas mixture that can lead to an explosion in combination with fire, especially in enclosed spaces. Some of the substances are also toxic and/or corrosive, which is differentiated in the individual classification codes of the dangerous goods class.

If we are talking about dangerous goods class 3, then we are talking about flammable substances that are liquid at a given high or low vapor pressure and do not exceed a flash point of 60 °C. In addition, they must not exceed a pressure of 1,013 mbar at a temperature of 20 °C and a pressure of 3 bar at a temperature of 50 °C. Common examples of substances in this class includegasoline and alcohol.

When dealing with Class 3 hazardous substances, there are several legal regulations, compliance with which is mandatory. These refer to the requirements for the employer as well as to protection regulations and storage. In particular, the following regulations should definitely be taken into account:

Correct handling is mandatory so that no actual hazards emanate from goods in dangerous goods class 3. In addition to appropriate labelingand storage, this also includes complying with all legal requirements and taking immediate action in the event of damage.

However, not only the classification codes, but also the packaging groups must be specified when it comes to the declaration and transport of dangerous goods class 3. Here, three groups are differentiated as follows:

In order to make the handling of hazardous materials safer in everyday life as well as in road traffic, corresponding materials have been divided into different hazardous materials classes. These are structured according to hazard characteristics and divided into nine ADR classes. We have summarized for you in this blog post which substances are included in dangerous goods class 3, what to look out for in terms of labeling and packaging, and which legal requirements apply.

However, if damage does occur, action should be taken as quickly as possible. As substances of dangerous goods class 3 are flammable liquid substances, the following immediate measures are appropriate:

In addition, hazardous material labels still come into play, which in turn can be divided into three categories: Orange hazard labels for explosive substances, white labels for toxic and infectious substances, and yellow labels for flammable substances. Dangerous goods labels must also be used for identification during transport.

Substances, articles and mixtures with potentially hazardous properties must be labeled accordingly according to current legislation. This is the responsibility of the GHS, which provides the classification and labeling obligation with hazard symbols. We have summarized the meaning of the hazard symbols and hazard pictograms, the criteria used to distinguish between them, and the status of supplementary signal words, H and P phrases.

In addition, packaging groups must be coded, which defines certain requirements for the packaging per se. A distinction can be made between X-coding, Y-coding and Z-coding.

equivalent, the low vapor pressure is determined. If the outside temperature drops, so does the vapor pressure of hazardous material class 3 substances. The natural evaporation process is slowed down, which is why the gas can spread less quickly.

Bei Gefahrgut ist es außerdem elementar, dass die Klassifizierungscodes sowohl angegeben als auch beim Transport deutlich sichtbar sein müssen. This labeling serves to make the hazards of the substance clearly visible – for example, “T” stands for toxic or “F” for flammable. Class 3 dangerous goods are divided into the following classification codes:

Dangerous goods class 3 combines flammable and liquid hazardous substances, which allows storage and transport to be standardized. It belongsto the ADR classes, which range from 1 to 9.

When handling hazardous materials of all kinds - i.e., also those in Hazardous Materials Class 3 - a number of protective measures also apply, compliance with which helps to limit the risk. In particular, the Technical Rule TRSG 500 indicates approximately how the hazard assessment should turn out and which protective measures are to be taken. These include, for example:

Pickup trucks can be used for towing, hauling different types of cargo, camping and for off-roading. Many of these activities expose them to more dirt than a regular car. Cleaning a pickup truck, particularly the truck bed, can be quite challenging, but with the right tools, you can get the job done without taking it to a carwash.

According to the Dangerous Goods Ordinance for Road and Rail (GGVSEB), special labels must also be used for dangerous goods, each of which applies to specific substances. For this purpose, there are both dangerous goods labels and dangerous goods labels that must be visibly attached when transporting dangerous goods.

A refractometer is used to determine the refractive index of transparent materials. Depending on the type of sample, different versions of these instruments come into question, which must be specially calibrated. In this blog post, you can read about the differences between the models, how refractometers are calibrated, and what to look out for in terms of calibration liquid and interval.