Bone porcelain glaze color defects on 3

3, color dirty meaning: bone China products surface rendering with undue noise, such as a finger mark and spots, have a plenty of spray color to should not have the parts. Defect classification from dirty, produce ceramic decals, color paper, printing, gold, painting, handling, packing and full furnace process. The reason: 1) Before firing, the bone porcelain body and bone porcelain glaze slurry contaminated with a certain color, or on the bone porcelain glaze billet dye color material, color become dirty after firing. ( 2) Bone China printed color paper, use the not clean printing tools, blank areas contaminated with noise or stain or tinted are not allowed to make the flower surface presents double. ( 3) Printing, spray color uneven; Camphor oil dosage too much or too little, improper thin thick incense oil; Don't make the flower surface presents ghosting or tinted. Bone porcelain decal liquid paste, contaminated with dirt, or the operator failed to timely wash hand dyeing y; Or use the cleaning tools ( Rubber blow) , the color of the pattern on the blank of porcelain. Gold, saving transport, packing each working procedure such as stacked not barbecuing bone porcelain semi-finished dyed color dirty. Or because of packing, full furnace arrangement is too dense, bone China skew stick sticky embroider surface touch each other iron box, a furnace when there are stains on bone porcelain products. To overcome the way: ( 1) Bone China products before loading to burn note industrial hygiene, bone porcelain embryo and proper management and plasma is not polluted by dust miscellaneous, & other; Congenital & throughout; In the color. ( 2) Bone China printing, brush flowers accurater and spray, can't make the flower surface presents double. Ceramic decal paper pass strict quality inspection, not contaminated with noise. Refore mo ping printed paper should check whether the paint & other Hydrophilic & throughout; &ldquo仍然; Heap ink & throughout; Or printing glue water pollution: wipe paper check paint & other Lai powder & throughout; Silk screen printing paper to check whether the board & other Leaking plate & throughout; 。 ( 3) The bone porcelain decal paste liquid can not be mixed with impurities, cannot use a thick alcohol solution, careful operation and shall not be broken color paper mixed stick in the other parts. In the process of painting and other various operations to take good care of industrial hygiene to keep hands clean to prevent exposure to pollution and use tools. ( 4) Bone porcelain color porcelain is processed, the color, the goldwater did not work, the bone porcelain flower surface not to encounter friction damage, bone China packed density in the process of moving and the full furnace using appropriate to prevent collision and sticky. ( 5) Bone China roast flowers into the furnace, to prevent debris stuff off the bone porcelain surfaces. 4, film shadow meaning: also called scissors. Symptoms are: decals on bone porcelain glaze porcelain flower clear film circle around not bright or shadow, defect is flower surface defects in decals and firing process. The reason: 1) Cut paper flowers stay more film too much, More than 1 - 1. 5 mm) 。 ( 2) Bone China the paper transfer film with the impurities, the use of alcohol in the solution mixed with high ash material ( Such as camphor pinus tabulaeformis fuel-efficient, etc. ) , or use the alcohol solution containing iron, shading film areas. Too thick or alcohol solution, this solution has strong dispersion effect, it put the butyral film solution when the cementation porcelain face, and the impurity in the film and adhesion in the dust on the surface of the bone China rapidly lead to the film side diffusion and concentration in the film. ( 3) Bone China enjoys not wipe clean with dust, or bone China post after color paper film with dust. — Tangshan bone China tea set to be continued. 。 。 。 。 。