Various kinds of paints and varnishes in our time for the design of structures of buildings and structures are used quite often. And sometimes, at the same time with such agents, it is necessary to use solvents. During storage, paints often thicken or even completely dry. The solvent for the paintwork should be selected in accordance with the composition of the latter. Otherwise, the paint can simply spoil. For example, solvent 648 is often used to dilute enamels.
What is a
This product is marketed most often in plastic cans and bottles or in metal barrels. It is a solvent 648, a colorless or slightly yellowish clear liquid without suspended particles. Among other things, this tool is toxic and inflammable. Therefore, when storing the solvent, as well as when using it, certain safety measures should be observed.
Where applicable
Like almost any other solvent, 648 is most often used to dilute thickened paints. At the same time, such a composition is suitable for working with paintwork materials of the following varieties:
butyl methacrylate;
nitrocellulose;
polyacrylate.
Also, using solvent 648, it is possible to prepare surfaces for painting. In this case, it is used to remove traces of old paint and grease stains. Stains of paintwork materials using this solvent can, of course, be removed from tools after painting.
It is allowed to use this tool to even out an already dried layer of enamel. Such a procedure sometimes has to be carried out, for example, if there are scratches and chips on the old paint. Also, alignment with this tool is often done after grinding the enamel.
Solvent Composition 648
This solvent is currently one of the most inexpensive means on the Russian market of all such. Its low cost is primarily explained by the simplicity of its manufacturing technology. Such a solvent is made by mixing several chemicals:
ethanol - 10%;
butyl acetate - 50%;
butanol - 20%;
toluene - 20%.
Unlike solvents 646 and 647, the 648th, therefore, has a less aggressive composition. The products sold on the market under the numbers 646 and 647 may additionally include substances such as ethyl cellulose, acetone, ethyl acetate.
Specifications
This product is manufactured in accordance with the standards provided by GOST 18188-72. Specifications Solvent 648 has the following:
Fischer mass fraction of water - not more than 1%;
ethyl ether volatility - 11-18;
the coagulation number is not less than 100%.
After the enamel diluted with this agent has dried, no whitening of its film should be observed. According to the requirements of GOST, solvent 648 after adding to the paint should not adversely affect the evenness of the layer after drying.
Instructions for use
The technology of using this product for diluting coatings is nothing complicated. In order to make thickened paint suitable for application on various surfaces, solvent 648 simply needs to be added to it in small portions with stirring.
Dilution with such a means of enamel is carried out to the required viscosity. However, too much solvent 648 cannot be added to the paint, of course. In terms of its percentage ratio to the volume of enamel, one should be guided primarily by the instruction from the manufacturer of the latter.
To erase stains from the walls, simply use a cloth dampened with this solvent. Tools with dried paint in this tool can be soaked for a while.
Work Precautions
As already mentioned, solvent 648 is toxic. Therefore, to carry out any work with him is allowed only in a well-ventilated area. At home, before you start diluting the dye with this solvent, you must open the windows in the room.
Work with this tool is allowed only with gloves. It is also advisable, before unscrewing the lid from the solvent canister, to close the nose and mouth with a gauze bandage. Too long to inhale the vapor of this tool in any case is not worth it. This can lead to intoxication of the body.
When diluting paint or cleaning surfaces, be sure that the solvent does not get into the eyes and skin. If this happens, rinse the affected area with warm running water. The skin must be washed with soap. In case of contact with a solvent, 648 drops in the eyes should, among other things, consult a doctor. After rinsing, it is advisable to lubricate the skin with some moisturizer. This will reduce the likelihood of a chemical burn.
How to store
Since solvent 648 is a highly flammable substance, you can work with it only away from open flame and incandescent objects. Keep this product in a cool, dark place. Keep this solvent, of course, also need to be away from open flames in hermetically sealed containers. Certain safety precautions should certainly be followed when transporting this solvent.
Where to buy
Solvent 648 can be purchased at almost any construction supermarket. It is usually available in the assortment of even small shops of finishing materials. Also, this tool is sold through the Internet (mainly in bulk). The price of this solvent is low and is not more than 60-80 rubles. per kilogram. A five-liter canister of this product, for example, usually costs no more than 400 rubles. Many companies produce this tool. For example, a large quantity of such a solvent is supplied to the market by the company Khimprodukt-Balakhna (Nizhny Novgorod Region).
Customer Reviews
To the advantages of this tool, buyers attribute in the first place, of course, its low cost. Also, most consumers believe that solvent 648 copes with its tasks very well. He spreads the paint quickly and without problems, and easily removes stains. Also, many consumers are strongly advised to use this product for degreasing surfaces, not only before painting, but also, for example, before gluing.
In addition, consumers consider the advantage of solvent 648 that it is delivered to the market in a reliable sealed container. The only thing some buyers note is that this product, unfortunately, is sold mostly in cans. A bottle of small capacity on sale with such a solvent is more difficult to find.
The biggest drawback of this tool is consumers consider its high chemical aggressiveness. The smell of solvent 648 is sharp, and you should actually work with it carefully.