Glazing of Handcrafted Ceramic Products

TEACHING UNIT 1. PREPARING ENGOBES FOR ARTISANAL POTTERY Types of engobes for artisanal ceramic products based on their components: raw materials, colorants, and additives. Performing calculations for preparing engobes based on the technical data sheet. – Identifying components. – Calculating material quantities. Preparing the engobes. – Weighing raw materials. – Adding solvents and water. Use of mixers and equipment for mixing and sieving. – Dissolving the engobes. – Sieving. Measuring residue on the sieve. Measuring density and viscosity. – Controlling viscosity. – Controlling density. Storing engobes and glazes. – Labeling and packaging. Procedures for organizing, using, maintaining, and cleaning the work area, supplies, equipment, and tools. Occupational hazards, preventive measures, and protective equipment related to the processes of preparing engobes for artisanal pottery pieces. Environmental risks, preventive measures, and waste management related to the processes of preparing engobes for artisanal pottery pieces. TEACHING UNIT 2. APPLICATION OF ENGOBES IN ARTISANAL POTTERY THROUGH IMMERSION AND DIPPING Preparation of the substrate Preparation of bisque-fired pieces – Moisture levels. – Cleaning Preparing bisque-fired pieces. – Moisture levels. – Cleanliness. Preparing the slip. – Controlling density and viscosity. Application by immersion and dipping. – Immersion application. – Selective dipping. Control of the applied layer. – Thickness and adhesion Identification of defects in the slip coating operation. – Excessive or insufficient thickness of the applied slip. – Lack of adhesion. – Irregularity of the applied layer. – Dirt and unwanted marks. Procedures for organization, use, maintenance, and cleaning of the work area, supplies, equipment, and tools. Occupational hazards, preventive measures, and safety equipment related to the processes of preparing engobes for artisanal pottery pieces. Environmental risks, preventive measures, and waste management related to the processes of preparing engobes for artisanal pottery pieces. TEACHING UNIT 3. APPLICATION OF ENGOBES IN ARTISANAL POTTERY USING AN AIRBRUSH AND SPRAY GUN Preparation of the Substrate Preparation of Unfired Pieces – Moisture levels. – Cleanliness Preparation of Bisque-Fired Pieces. – Moisture levels. – Cleanliness. Preparation of the Slip. – Control of density and viscosity. Application using an airbrush and spray gun. Inspection of the applied layer. – Thickness and adhesion Identification of defects in the slip application process. – Excessive or insufficient thickness of the applied slip. – Lack of adhesion. – Irregularity of the applied layer. – Dirt and unwanted marks. Procedures for organization, use, maintenance, and cleaning of the work area, supplies, equipment, and tools. Occupational hazards, preventive measures, and protective equipment related to the processes of preparing glazes for artisanal pottery pieces. Environmental risks, preventive measures, and waste management related to the processes of preparing engobes for artisanal pottery pieces. TEACHING UNIT 4. APPLICATION OF ENGOBES IN ARTISANAL POTTERY USING BRUSHES AND SPATULAS Preparation of the Substrate Preparation of Unfired Pieces – Moisture levels. – Cleanliness Preparation of Bisque-Fired Pieces. – Moisture levels. – Cleanliness. Preparation of the Slip. – Control of density and viscosity. Application by immersion, dipping, airbrush, brush, and palette knife. – Application with brushes and palette knives. Checking the applied layer. – Thickness and adhesion Identifying defects in the slip application process. – Excessive or insufficient thickness of the applied slip. – Lack of adhesion. – Irregularity of the applied layer. – Dirt and unwanted marks. Procedures for organization, use, maintenance, and cleaning of the work area, supplies, equipment, and tools. Occupational hazards, preventive measures, and safety equipment related to the processes of preparing glazes for handmade pottery pieces. Environmental risks, preventive measures, and waste management related to the processes of preparing glazes for handmade pottery pieces. TEACHING UNIT 5. PERFORMING SGRAPFITTO AND POLISHING ON UNFIRED POTTERY PIECES WITH ENGOBES Preparing the pieces. – Moisture levels. Performing sgraffito and polishing – Applying sgraffito using a punch and combs. – Polishing the pieces with various smooth, hard surfaces. Identifying defects typical of decorating unfired pieces with engobes. – Excessive or insignificant incisions in the sgraffito. – Irregular burnishing with visible marks. Procedures for organization, use, maintenance, and cleaning of the work area, supplies, equipment, and tools. Occupational hazards, safety measures, and preventive equipment related to the processes of preparing engobes for handmade pottery pieces. Environmental risks, preventive measures, and waste management related to the processes of preparing engobes for artisanal pottery pieces. TRAINING UNIT 2. APPLICATION OF GLAZES TO ARTISANAL POTTERY PRODUCTS TEACHING UNIT 1. TYPES OF GLAZES FOR HANDCRAFTED POTTERY Identification of the types of glazes for handcrafted ceramic products, taking into account their different components: raw materials, colorants, and additives. – High-temperature glazes. – Types of bases. – Coloring. – Low-temperature glazes. – Types of bases. – Coloring. TEACHING UNIT 2. PREPARATION OF GLAZES FOR ARTISANAL POTTERY Performing calculations for the preparation of glazes based on the technical data sheet. – Calculating materials. Preparing the glazes. – Weighing raw materials. – Dissolving. – Sifting. Measuring density and viscosity. – Density control. – Viscosity control. Storage of glazes. – Labeling and preservation Procedures for organizing, using, maintaining, and cleaning the work area, supplies, equipment, and tools. Occupational hazards, preventive measures, and safety equipment related to the processes of preparing glazes for handmade pottery pieces. Environmental risks, preventive measures, and waste management related to the processes of preparing glazes for handmade pottery pieces. TEACHING UNIT 3. APPLICATION OF GLAZES BY IMMERSION AND DIPPING ON HANDCRAFTED POTTERY PIECES Preparation of the substrate: greenware and bisque-fired pieces. – Controlling the moisture content of the pieces. Preparing the glaze. – Controlling viscosity and density. Application by immersion and dipping – Immersion and dipping of raw pieces. Immersion and dipping of bisque-fired pieces. Use of defoamers. Inspection of the applied glaze layer. – Thickness and adhesion Identification of defects in the glazing process. – Excessive or insufficient thickness of the applied glaze. – Lack of adhesion. – Irregularity of the applied layer. – Dirt and unwanted smudges. Procedures for organization, use, maintenance, and cleaning of the work area, supplies, equipment, and tools. Occupational hazards, preventive measures, and protective equipment related to the processes of applying glazes to handmade pottery pieces. Environmental risks, preventive measures, and waste management related to the processes of applying glazes to handmade pottery pieces. TEACHING UNIT 4. APPLICATION OF GLAZES USING AN AIRBRUSH AND SPRAY GUN ON HANDCRAFTED POTTERY PIECES Preparing the substrate: greenware and bisque-fired pieces. – Monitoring the moisture content of the pieces. Preparing the glaze. – Controlling viscosity and density. Application by dipping, pouring, airbrush, brush, and palette knife. – Application using airbrushes and spray guns. – Use of defoamers. Inspection of the applied coating. – Thickness and adhesion Identification of defects in the glazing process. – Excessive or insufficient thickness of the applied glaze. – Lack of adhesion. – Irregularity of the applied coating. – Dirt and unwanted fingerprints. Maintenance of airbrushing equipment and enameling tools. – Cleaning of machinery, tools, and equipment. – Storage and preservation. Procedures for organizing, using, maintaining, and cleaning the work area, supplies, equipment, and tools. Occupational hazards, preventive measures, and protective equipment related to the glazing processes for handmade pottery pieces. Environmental risks, preventive measures, and waste management related to the glazing processes for handmade pottery pieces. TEACHING UNIT 5. APPLICATION OF GLAZES USING BRUSHES AND SPATULAS ON HANDCRAFTED POTTERY PIECES Preparation of the substrate: greenware and bisque-fired pieces. – Monitoring the moisture content of the pieces. Preparing the glaze. – Checking viscosity and density. Application using a brush and a glazing spatula. – Application using a brush and a glazing spatula. – Use of defoamers. Checking the applied layer. – Thickness and adhesion Identifying defects in the glazing process. – Excessive or insufficient thickness of the applied glaze. – Lack of adhesion. – Irregularity of the applied layer. – Dirt and unwanted fingerprints. Maintenance of airbrush application equipment and glazing tools. – Cleaning of machinery, tools, and equipment. – Storage and preservation. Procedures for organization, use, maintenance, and cleaning of the work area, tools, equipment, and machinery. Occupational hazards, preventive measures, and safety equipment related to the glazing processes for handmade pottery pieces. Environmental risks, preventive measures, and waste management related to the glazing processes for handmade pottery pieces.