1. Raw Material Inspection
The journey toward quality glassware begins before the glass is even made. Every batch of raw materials—silica sand, soda ash, and limestone—is thoroughly inspected. Impurities or inconsistencies can compromise the final product’s clarity and strength. We use advanced sensors and manual checks to ensure that only the highest-quality materials are used.
2. Monitoring the Melting Process
During the melting phase, the temperature must remain consistent to achieve perfectly molten glass. Our automated systems continuously monitor the furnace temperature, while skilled operators ensure it remains within the desired range of 2,000°F to 2,400°F. This attention to detail helps prevent flaws like air bubbles or discoloration.
3. Forming and Shaping Checks
As artisans shape the molten glass, precision is key. Our inspectors check for even thickness, symmetry, and consistency in form. Any deviations can affect the functionality and aesthetic appeal of the final product. Real-time adjustments are made to ensure the glassware takes its intended shape.
4. Annealing Process Validation
Glassware must be cooled gradually to relieve internal stresses—a process known as annealing. Inadequate annealing can lead to brittle glass prone to cracking. Each piece is monitored during the annealing process to ensure it cools at the correct rate, maintaining durability and structural integrity.
5. Visual and Dimensional Inspections
Every piece undergoes a detailed visual inspection. Skilled inspectors check for common defects like cracks, bubbles, or irregularities. Additionally, dimensional inspections ensure that the glassware meets exact specifications for height, width, and capacity.
6. Strength and Durability Tests
To ensure our glassware is both beautiful and functional, we perform strength and durability tests. These tests include:
• Impact Resistance: Simulated drops to ensure the glass withstands typical use.
• Thermal Shock Resistance: Exposure to sudden temperature changes to ensure durability.
• Pressure Testing: Ensures the glass can handle internal pressure, especially for drinkware.
7. Chemical Safety Tests
For glassware that comes into contact with food and beverages, safety is paramount. We conduct tests to ensure that no harmful chemicals or lead leach into contents, ensuring compliance with international safety standards like FDA, CE, and RoHS.
8. Final Polishing and Finishing
Once a piece passes all inspections, it undergoes final polishing. This step ensures that the surface is smooth, the edges are safe, and the glass shines brilliantly. Engravings, coatings, or custom decorations are applied carefully to avoid imperfections.
Conclusion
Quality assurance at EukaGlass is a multi-step process that leaves no detail unchecked. From raw material inspection to strength testing, we ensure every glassware piece embodies excellence. Our commitment to quality means you can trust our glassware for both everyday use and special occasions.