Weathering and transparent vitrifiable colors for the glass painting, their use and method of the glass painting

摘要

Fusible colorant, comprising a fine-grained lead - zinc - borosilicate glass, comprising:– a content of b₂O₃ in w -% of 2 ≦ content b₂O₃ ≤ 15,– a content of zno in w -% of 3,5 ≦ content of zno ≦ 30,– a content of pbo into w -% of 0,1 ≦ content of pbo ≦ 55,– a content of al₂O₃ – in w -% of 0,1 ≦ content of al₂O₃ ≤ 5,– a summed high content of alkali metal oxide selected from na₂O, k₂O and li₂O, in w -% of 0,1 ≦ on content in terms of design of alkali metal oxide ≦ 20,– a summed high content of alkaline earth metal oxide selected from bao, cao and mgo, in w -% of 0,1 ≦, in terms of design of content of alkaline earth metal oxide ≦ 20,and a chrominance subcarrier;wherein a sum of all the contents with sio₂ balancing to 100 w -%, and a content of sio₂ in the limits of 10 w -% to 70 w -% isand at least 97% of particles of the fine-grained lead - zinc - borosilicate glass which acts have an average particle size of ≦ 100µm.