What factors affect the quality of the ceramic flower paper decal process?

Ceramic surface condition

Cleanliness: If there is dust, oil or other impurities on the surface of the ceramic, it will hinder the close fit of the flower paper with the ceramic, resulting in poor appliqué, and the flower paper may fall off in the subsequent firing process.

Flatness: ceramic surface unevenness, such as the existence of unevenness, pores or cracks and other defects, will make the flower paper can not be completely with the surface of the paste, resulting in flower paper local overhang or wrinkles, affecting the flatness of the appliqué and the degree of aesthetics.

Humidity: ceramic surface humidity is high, will make the flower paper paste glue is not easy to dry, resulting in flower paper is easy to shift, and in the drying process may produce bubbles, affecting the quality of the decal.

Flower paper quality

Paper characteristics: paper thickness, flexibility, water absorption and other characteristics of the paper will affect the effect of decals. Paper is too thick or too hard, not easy to fit the complex shape of the ceramic surface; too strong or too weak water absorption, will affect the glue drying speed and paste effect.

Pattern accuracy: flower paper pattern printing accuracy is low, such as the existence of color registration is not allowed, pattern fuzzy and other issues, will directly affect the decorative effect of applique, so that the ceramic products on the pattern is not clear, color inaccurate.

Preservation status: improper preservation of flower paper, such as moisture, pollution or storage time is too long, may lead to a decline in the performance of flower paper, glue adhesion is reduced, the pattern discoloration or fading, thus affecting the quality of applique.

Glue performance

Viscosity: glue viscosity is not enough, can not make the flower paper firmly affixed to the ceramic surface, easy to flower paper off or shift; viscosity is too strong, may lead to flower paper in the paste process is difficult to adjust the position, and in the drying process may produce stress, so that the flower paper cracks or peeling.

Drying characteristics: glue drying speed is too fast, will make the flower paper in the pasting process to level has been dry, resulting in bubbles or folds; drying speed is too slow, will extend the production cycle, and in the drying process of the flower paper is susceptible to the influence of external factors and quality problems.

Compatibility: the glue needs to be compatible with the ceramic surface and the material of the flower paper, otherwise a chemical reaction may occur, damaging the pattern of the flower paper or reduce the paste effect.

Decal operation technology

Cutting precision: the cut size of the flower paper is not accurate, too big or too small will affect the decal effect. Too large flower paper will produce folds in the ceramic surface or edge warping; too small can not completely cover the area to be decorated, affecting the aesthetic.

Pasting techniques: decals if the technique is not skillful, such as uneven force, paste too fast or too slow, may lead to uneven paste, bubbles, wrinkles and other problems.

Drying process: the drying process after the decal is also critical to the quality. Drying temperature, humidity and time control is not appropriate, such as too high or too low temperature, humidity or drying time is not enough, will affect the curing effect of the glue, resulting in the flower paper paste is not firm or deformation, discoloration and other issues.