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Mecarun’s products are designed to: Improve combustion in petrol and diesel vehicles. Clean the engine, injectors, EGR Valve and Particulate Filter. More information, advice and practical guidance on the www.mecarun.es website.
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Méca-Run C 99 and P18 : products complying with the new European waste treatment guidelines European Waste Treatment Guidelines

Speciality fuels:
Gasoline treatment for competition use

– diseases of the skin and mucous membranes
– acute intoxications
– neurological, muscular and psychiatric diseases.
. Diseases are caused by:


Glycols and their ethers:


– diseases of the skin and mucous membranes
– acute intoxications
– neurological, muscular and psychiatric diseases – congenital malformations.
– cancers.

Alicyclic, heterocyclic, aliphatic and aromatic hydrocarbons:

Methylene chloride (= dichloromethane):

Perchloroethylene:

Trichloroethylene:

Toluene:

White-spirit :

Xylenes :

OPERATOR INHALS SOLVENT VAPOURS.

Consequence: occupational diseases. Read “Process of solvent attack on man” and “Health effects”.


The operator is not unprotected from ignition phenomena  resulting from a burning cigarette, a grinder or welding machine, or even from a short circuit in the case of electrical cleaning sources.

The solvents evaporate continuously:

Impact on man and the environment.

There are two main types of attack process:

- Par contacts dermiques.

Solvents are, by definition, excellent degreasers that attack and pass through the lipocutaneous tissue. Once through this protective barrier of the organism, the solvent enters the real pathway (the bloodstream) to diffuse throughout the body.

- By inhalation.

if solvents are inhaled, they enter the lungs and pass directly into the blood (red part = oxygenated part). They then pass to the heart, which transports them directly to the brain and other viscera.

Consequences on the health of Users

If they do not all have the same hazardous characteristics, it is incorrect to think that any solvent (except water) is safe for a user, just as it is incorrect to think that a solvent is not at least harmful. To measure its ability to “harm”, the ELV (exposure limit value), among others, has been established. These E.L.V. are expressed in “ppm” (parts per million). Example: the exposure limit value for trichloroethylene is 200 ppm, i.e. 1080 mg / m3. The SEL (average exposure value) is 75 ppm or 405 mg / m3. The SEL = SLE for 5 days, 8h / day. To measure its capacity to “damage”, the ELV (exposure limit value) has been established, among others.


These E.L.V. are expressed in “ppm” (parts per million). Example: the exposure limit value for trichloroethylene is 200 ppm, i.e. 1080 mg / m3. The SEL (average exposure value) is 75 ppm or 405 mg / m3. SMV = SLE for 5 days, 8h / day.


For example:

2. The health of users.

It should be noted that, in many cases, maintenance services are supplied with solvents containing aliphatic hydrocarbons, or often containing aromatics. And it should be known that these hydrocarbons often contain benzene, at levels well above the accepted exposure limit.

 

These conclusions can be drawn from the consequences of the use of these products. As proof of this, all petrol stations should soon be equipped with new devices that prevent the inhalation of petrol vapours containing benzene while the motorist is refuelling.

3. The safety of users

With the exception of chlorinated solvents such as trichloroethane, methylene chloride, perchloroethylene and trichloroethylene, which are known to be non-flammable, all solvents are flammable or even highly flammable or explosive. This flammability varies according to the flash point of each solvent.


The flash point temperature is defined as the temperature at which solvent vapours ignite when in contact with a flame or spark. However, in companies, there is no lack of sources of flames and/or sparks. (torch, welding machine, grinder…).


The torch effect is the worst case par excellence. It is no longer just a question of flames, but of setting fire to a fabric and in particular to the wearer’s clothing. In fact, if they have been sprayed with solvent during the cleaning operation and there is contact with a simple spark, they catch fire.

Consequences on the environment.

Solvents have adverse effects on the environment: formation of ozone holes, greenhouse effect and acid rain. These phenomena are due to the fact that solvents are O.V.C. (organo-volatile compounds). (organo volatile compounds). Volatility is of course exerted when the solvent is used, but also continuously; use is not a necessary condition in this case.

 

Of the almost 20 million tonnes of solvents used each year worldwide, about three quarters can be considered to disappear through evaporation.

A catalyst is a substance that increases the speed of a chemical reaction. C 99 participates in the reaction but disappears during combustion. It is therefore not part of the reactants (fuel – oxidant) or products of the equation.

Attack procedure against man - prevention

Solvent is a substance, usually a liquid, in which other substances can be dissolved. (Synonym solvent).


More precisely, solvents are used to clean or remove, for example: oils (whole, evaporable, silicone, soluble, vegetable), fats (calcined, mineral, synthetic, vegetable), inks, varnishes, paints, glues, tar, graphite, waxes, rubbers, polystyrene, styrenes, temporary protection products, resins, polishes …


Main solvents used, such as degreaser in cleaning operations.

Hydrocarbons (petrol).

A distinction is made between polycyclic, aliphatic, alicyclic and isoparaffinic aromatics.

Glycol ethers.

The methyl, butyl, ethyl, butyl, propyl chains are clearly distinguishable.

Chlorinated products.

In particular, trichloroethane, methylene chloride (dichloromethane), perchloroethylene and trichloroethylene are distinguished.

Miscellaneous.

Xylenes, toluene, acetone, alcohols, formulations (solvents composed of different types of solvents).

Current processes for solvent handling.

Manual degreasing cleaning processes have not changed much in the last decades. What do we find today? bowls, tins, biscuit boxes. In short containers.


In these containers, the user pours his solvent, cleans his parts inside and then picks them up and brushes them most of the time. 


There are also pneumatic or electric cleaning fountains. These sources are, in fact, larger containers fitted directly to the solvent barrel or keg. The cleaning process is exactly the same as for bowls and cans.


Consequences of the current processes in use.

The operator's hands are in contact with the solvents.

Consequences : occupational diseases. Read “Process of solvent attack on man”.


There are two important types of solvent attack process against man”:

Solvents are, by definition, excellent degreasers, they attack and pass through the lipocutaneous tissue. By crossing this protective barrier of our organism, it is for the solvent the royal road (the blood channel) with diffusion throughout the body.

If solvents are inhaled, they enter the lungs and pass directly into the blood (red part = oxygenated part). They then pass to the heart, which transports them directly to the brain and other viscera, with its consequences on health.

I. The health of users.

If they do not all have the same hazardous characteristics, it is incorrect to think that any solvent (except water) is safe for a user, just as it is incorrect to think that a solvent is not at least harmful.


To measure its ability to “harm”, the E.L.V. (exposure limit value), among others, has been established.
(exposure limit value) has been established. These E.L.V. are expressed in “ppm” (parts per million). Example: the exposure limit value for trichloroethylene is 200 ppm, i.e. 1080 mg / m3. The SEL (average exposure value) is 75 ppm or 405 mg / m3. VME = SLE for 5 days, 8h / day Diseases resulting from exposure to solvents are very diverse.


We can cite:

The health of users.

It should be noted that in many cases, maintenance services are provided in solvents containing aliphatic hydrocarbons, or often containing them, aromatics…. And it should be known that these hydrocarbons often have a benzene content well above the accepted and eligible exposure limit.


Conclusions can be drawn from the consequences of the use of these products. To corroborate this, all petrol stations should soon be equipped with new weapons to prevent the inhalation of petrol vapours containing benzene when refuelling.


With the exception of chlorinated solvents such as trichloroethane, methylene chloride, perchloroethylene and trichloroethylene, which are known to be non-flammable, it should be noted that all solvents are flammable, even highly flammable or explosive.


This flammability varies according to the flash point temperature of all solvents.


Definition of flash point temperature: this is the temperature at which solvent vapours ignite when in contact with a flame or spark.


The blowtorch effect is the worst-case scenario par excellence. It is not only a matter of flames, but also of setting fire to a fabric, particularly the wearer’s clothing. In fact, if they have been sprayed with solvent during the cleaning operation and there is contact with a simple spark, they catch fire.
The operator is not protected from eye contact.


Frequency: read “The health of users – eye and vision pathology”.

OCCUPATIONAL DISEASES.

Carried out by:

List of frequently used solvents

Alcohols:

Benzene:

Acetone:

Essence of turpentine: