Lead-Free Glaze Frit Base
Lead-free borosilicate and alkali-borosilicate frits are the backbone of modern ceramic glaze systems, replacing traditional lead-containing frits to comply with EU REACH, RoHS, and California Prop 65 regulations. These fused, quenched glass materials provide controlled melting ranges (900–1200 °C), excellent gloss, and chemical resistance when applied as opaque or transparent ceramic coatings.
Technical Specifications
| appearance | White or off-white powder or granules |
| purity (%) | ≥99 |
| B2O3 content (%) | 8–20 |
| SiO2 content (%) | 45–65 |
| melting range (°C) | 900–1200 (grade dependent) |
Applications
- Base frit for wall tile and floor tile glaze systems
- Lead-free frit for dinnerware and food-contact ceramics
- Frit binder for ceramic decal and overglaze colors
- Base frit for enamel coatings on steel and aluminum
- Flux component in low-temperature glaze formulations
Key Features
- Lead-free and cadmium-free compliant with REACH and RoHS regulations
- Adjustable melting range to match standard tile and dinnerware firing schedules
- Multiple opacity levels from transparent to fully opaque
- Excellent chemical resistance meeting ISO leaching standards
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