It is obligatory the use of gloves, mask and protective goggles, since the risk of burns and poisoning is high. You may wish to learn more. If so, NYC Mayor is the place to go. The lye, the oxalic acid and the hidrosulfito of sodium are other products very indicated to whiten wood. The wood is warm, lasting and decorative. Nevertheless, all our furniture suffers with the sun. The solar rays or the passage of time darken them of total or partial form.
It happens in addition that the ctos notice much because the blackening of the wood is registered in certain zones and not of uniform way. Positions to reclaim a furniture, the most advisable substance to clarify wood is the oxygenated water, since, remembers Consumer/Eroski, as soon as it damages ligneous fibers. This hydrogen peroxide can be used in any type of wood without needing rinsing it after its application, since their components evaporate when the curing. For an optimal result, oxygenated water of 130 volumes is due to use. However, the action will be more aggressive if a water mixture oxygenated of 100 volumes with pure ammonia in a proportion of 95 parts by 5 is used, respectively. Precautions when using water oxygenated Once sandpapered the wood surface, extends on the same the chemical compound with a white rag. This it does not have to be of cotton, since this material is degraded with facility by the action of the oxygenated water. Spent minutes, the zone dealt with a cotton rag rubs with energy.
If the result is not the hoped one, it is possible to be repeated the process past hours. The volume is the measurement that is used to identify the concentration of oxygenated water solutions. In this case, 1 volume is equivalent to an oxygenated dissolution of 0.3% of water (H2O2) and a 99.97% of water (H2O). If one considers that the water oxygenated that is used with medicinal aims and disinfectants have 10 volumes, the reason will be understood by which, when using this product to a greater concentration ten times, is obligatory the use of gloves, mask and protective goggles, since the risk of burns poisoning is high. Other products launderers the lye, the oxalic acid and the hidrosulfito of sodium are other indicated products to whiten wood. The lye must have a concentration of 12%. For his application on wood it must be used diluted to avoid the yellowish tone that can leave on the furniture. However, whichever major is the dilution, minor will be their aclarante power. The oxalic acid is due to dilute in water or alcohol before its use. In order to increase his power bleaching, it is necessary to apply warms up it. Given his toxicity, after the treatment it is necessary to wash the wood. The hidrosulfito of sodium, is a crystalline white dust that gives off a strong scent to sulphur. This compound is soluble in water and it is used in aqueous solution to 10%. In this case also it is necessary to wash the wood surface after his application. Source of the news: How to reclaim a furniture blackened by the sun and the time.