APPLICATION “EMEX” PAINTS, VARNISHES and BICOMPONENT BASE COAT

“Emex” Varnishes, Paints and Bicomponent Base Coat: Preparation

     This category includes all the epoxy and polyurethane rough coats, epoxy and polyurethane paints and also polyurethane polish for wood and furniture.

     The instructions contained by these pages have only informative purpose. For detailed instructions please read the Data Sheet of the product or ask for special application instructions for each product, from the manufacturer.

     The preparation of both the product and the surfaces represents a necessary to achieve maximum performance in application of any kind of paint. Therefore:

1. The product is to be adjusted to the application temperature 24 hours before the application itself.
2. Before opening the cover remove the dust or any other residual materials.
3. The product is to be mixed in its original packing, using a mechanical mixer in order to disperse any potential deposits.
4. Filter the product before use.
5. The density will be established according to the type of application by adding “Emex” Epoxy Thinner, “Emex” Poly-urethane Diluent or any type of thinner recommended by the manufacturer.
6. The A ingredient is well mixed inside the package using a mechanic mixer then the B ingredient is added according to the Data Sheet reports of the product.

Application conditions:

1. The optimum application temperature for the product: 15 - 30°C.
2. Approximate environment moisture max. 65%.
3. The support temperature will be at least 3°C above the dew point to avoid the moisture condensation on the support, which could decrease the adherence, luster or could cause blisters.
4. The products are not to be applied in bad conditions such as fog, rain, snow, wind, in the presence of dust or when the support is covered by water or ice.
5. We do not recommend the application under 15°C because the product hardly reticulates.

     It is mandatory to check the Data Sheet of the products to obtain optimum results.

Preparation for Coating Metal Surfaces

     The preparation for coating metal surfaces includes two stages: the primary preparation, applicable mostly to new surface which consists of:

1. Removal of deposits, mud traces, dust, grease or any other contaminants.
2. Surface degreasing – this should be done using alkaline substances which are more efficient, but it can also be done with thinner or varnish remover although this method is more expensive and shows a higher degree of risk both for application and health.
3. Preparation of shuts and weld edges by removing the as drops and ashing, etc.
4. Removal of soluble salts which is usually made by using water under pressure.

     and the secondary preparation, which includes the removal of old paint, rust or scoria and creation of anchor points for high adherence on the support by:

1. Abrasive cleaning Sa Degree 2 ½ (according to ISO 8501/1-88) or 2 (according to STAS 10166/1-77) fallowed by dust cleaning and grease removal.
2. Rust removal when necessary, by using the “Emex Rust Stop” Rust Removal Solution (followed by washing with water) and old paint removal by using the “Emex CM Cleaner” Varnish Remover Solution or the “Emex PC Eco” Ecological Varnish Remover.
3. Flame cleaning, applicable only in the case of the existence of very old protective coats, followed by roughing, cleaning and washing.
4. It is mandatory to remove completely damaged layers of old paint. Those in good condition will only be polished for roughing, case which enables you to test if the paint matches.

     For a better adherence and protection against natural phenomena necessarily apply “Emex” Epoxy Anticorrosive Base Coat or the “Emex” Polyurethane Anticorrosive Base Coat.

     Consider its compatibility with the final layer of paint (necessarily confirmed by the manufacturer), both for protecting the metal surface against corrosion and for increasing the adherence of the next layer.

     Polyurethane and epoxy systems can be used for painting the chemical treated surfaces.

Preparation for coating wooden surfaces

     The preparation for coating wooden surfaces requires a high degree of attention. The surface has to be perfectly dry and clean before applying the paint, without dust or any other contaminants.

     Choosing a correct painting system will prolong the life of the painted wooden surface also ensuring a nice aspect.

1. The surfaces are cleaned to remove dirt, resin drops and potential grease trails embedded in the fibers.
2. Take into account that the wood humidity has to be of maximum 10% for the deciduous trees and 12% for the coniferous trees.
3. If there are previous protections in good condition, use thinner to degrease, polish the wet surface using abrasive paper, dry it and clean any traces of dust.
4. Old wasted paint or the ones that lack adherence will be completely removed through the use of “Emex CM Cleaner” Varnish Remover Solution or the “Emex PC Eco” Ecological Varnish Remover.
5. Old layers can be removed by polishing with mechanical brushes or by burning.
6. Every type of old coating removal operation will be followed by polishing.
7. The support will be polished using abrasive paper with granulation of 180-220 (both for the new wood and for the old surfaces) across the fibers and will be dust cleaned by blowing compressed air.
8. Before the Base Coat application we recommend the application of a mold inhibitor or the use of anti-bacterial substances.
9. Before applying the paint it is recommended to apply a rough coat for wood or a primer made from the paint itself, thinned approximately 30% with the compatible thinner (in this case “Emex” Epoxy Thinner or the “Emex” Poly-urethane Diluent.
10. The polishers are generally applied in three layers, in order to obtain a special polished aspect, especially in case of “Emex” Parquet and furniture polishers, which has a very good solidity but requires polishing between layers.

     It is unadvisable the use of flax oil for wood impregnation because on the one hand it quickly degrades over time but on the other hand it creates an appropriate environment for the spur and growth of bacteria.

     Do not apply paints, rough coats, polyurethane or epoxy polish on wet wood nor on wood which hasn’t dried up as to fit into the admitted limits.

Preparation for Painting Concrete Surfaces

     Applying the product on the support concrete surface, masonry, lime and cement plaster, plasters and lime or plaster stucco, old or new plasters based on binding materials, gypsum boards, absorbing mineral conglomerates of any kind, old organic or mineral masonry, dry, compact and absorbing, etc. will be done only after the necessary preparation due to the fact that this stage has a decisive influence over the quality and durability of the coating. Therefore:

1. The concrete or new plasters (including repairs) require minimum 28 days for hardening and drying before application; if these conditions are not met the resistance of the product will be damaged in time and also determines exfoliation and blisters
2. The plastered surfaces are to be verified by knocking before applying the product; if they prove to be inappropriate (sound empty) the plaster will be completely removed until reaching the base and the surfaces will be reshaped with binder of the same class as the initial one.
3. Before applying the product repair the empty spots or other imperfections.
4. If there are previous well preserved protections, use thinner to degrease them, polish the surface with abrasive paper, dry and clean the dust.
5. Old wasted paint or the ones that lack adherence will be completely removed through the use of “Emex CM Cleaner” Varnish Remover Solution or “Emex PC Eco” Ecological Varnish Cleaner.
6. Old layers can be removed by polishing with mechanical brushes or by burning.
7. Every type of old coating removal operation will be followed by polishing.
8. Mold affected areas will be cleaned and impregnated with special anti-mold solutions.
9. The surfaces which are to be covered in paint have to be cleaned and degreased, roughed and the resulting dust will be removed with soft brushes or blown by compressed air.
10. The surfaces have to be smooth, plain and dry.
11. Before applying the paint, especially in the case of floors, apply “Emex” Primer Epoxy Base Coat or the “Emex” Primer Polyurethane Base Coat.

     Metallic inclusions will be necessarily covered with “Emex” Epoxy Anticorrosive Base Coat or the “Emex” Polyurethane Anticorrosive Base Coat.