The so called "Psora" indicates small unlawful advertisements painted, spray-washed and posted in the urban public places such as the outer wall of buildings, telephone booths, transit stops, electric poles, bill boards, roll-up doors of the shops and overline bridge rails etc. Various kinds of measures have been taken by the government departments concerned for many years but this can't be radically treated. For this reason, a series of products for the above persistent ailment have been developed by our institute such as "sticky labeling remover", "hard surface ink jet lacquering remover and "sticky adhesive etc and they are good helper for the cleaning personnel of modern urban environmental sanitation unit, telecommunication system, public transit Co. and advertisement enterprises, which can quickly and thoroughly remove the various sticky labeling and ink jet lacquering advertisements. When the series products, non-toxic, non-combustible, safe and reliable in use ,are sprayed after the "psora" is cleaned, they can prevent the equipment and facilities from being polluted again and reach the goal of treating both principal and secondary aspect of "psora".

Application method: The cleaning personnel can bring with them a set of the series products of our institute, stainless steel brush, clean water bucket, rag etc and operate according to the application instruction so as to remove effectively the urban "psora".