In glass manufacturing, furnace downtime isn’t just costly—it’s a direct hit on production efficiency and product consistency. The throat area and electrode sealing zones are among the most vulnerable spots due to extreme thermal stress and chemical attack from molten glass. Here’s where TY-AZS36 electrically fused AZS brick becomes not just an option but a necessity.
Standard AZS bricks typically contain around 36–40% ZrO₂ and have higher porosity—making them susceptible to rapid degradation under continuous high-temperature exposure. In contrast, TY-AZS36 delivers:
| Property | Standard AZS | TY-AZS36 (Electrically Fused) |
|---|---|---|
| Al₂O₃ Content | ~45% | ≥49% |
| ZrO₂ Content | ~37% | ≥35.5% |
| Apparent Porosity | ~2.5–3.0% | ≤1.0% |
| Cold Crushing Strength | ~250 MPa | ≥300 MPa |
| Glass Phase Formation Temp. | ~1350°C | ≥1400°C |
These specs aren’t just numbers—they translate into real-world resilience. For example, the low porosity (<1%) of TY-AZS36 drastically reduces infiltration of molten glass into the brick matrix—a primary cause of spalling and structural failure in standard bricks.
A case study from a European flat glass producer shows that switching to TY-AZS36 at the throat zone reduced refractory replacement frequency by 60%. This wasn’t just about material quality—it was about predictable performance under harsh conditions like temperature gradients exceeding 300°C/hour and constant mechanical abrasion from flowing glass.
The key lies in how TY-AZS36 resists secondary erosion—where dissolved zirconia forms new crystalline phases that further strengthen the interface between brick and glass. That’s why it maintains integrity even after prolonged exposure to temperatures above 1500°C.
“As per ISO 18557:2021 for refractory materials used in glass melting furnaces, TY-AZS36 meets the highest standards for chemical stability, thermal shock resistance, and dimensional control during service.” — Technical Report, International Refractories Association
For plant managers focused on sustainability, this means fewer replacements, less waste, and lower CO₂ emissions from re-firing operations—an important point when aligning with green manufacturing goals.
When combined with proper handling and installation practices, these steps can extend service life beyond 3 years in demanding applications.
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