Glaze Manufacturing and Viscosity (Rheology of Glaze)

Overview & Purpose

What This Standard Covers

This standard outlines the skills and knowledge necessary for the manufacturing of glaze in ceramic production and the execution of viscosity testing, focusing on mixing techniques, problem recognition, and adherence to quality standards.

Performance Criteria

• Comply with health and safety requirements and procedures.
• Identify and rectify difficulties in glaze manufacturing related to quantity and quality.
• Meet production schedules and output quality standards.
• Verify that mixed products meet company standards.
• Record and report variations from company glaze standards.
• Document glaze information in the appropriate systems.

Knowledge & Understanding Requirements

• Raw materials utilized in glaze manufacturing and their contributions.
• Purpose of frit and differences between englobe and glaze additives.
• Testing procedures for raw materials and glazes within the organization.
• Role of ball mills and grinding in glaze production.
• Factors affecting grinding operations.
• Processes glazes undergo before transportation.
• Characteristics of different glazes regarding settling and breaking during application.
• Impact of particle size residue on glaze properties.
• Key terms related to glaze manufacture and their meanings, including viscosity, plasticity, and specific gravity.

Relevent Roles

• Glass and ceramic maker
• Decorator
• Finisher
• Glass and ceramics process operative