SK-32 / SK-35Insulation materials
STDBULK / PCBULKCeramic fiber bulk
High-purity ceramic bulk fibre for blankets, boards, paper, textiles and cavity filling.
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PRODUCT / STDBULK / PCBULK01 / APPLICATION
Application and operating zones
Lining fill, furnace, boiler and piping insulation, high-temperature gaskets and fire protection.
02 / TYPICAL DATA
Technical specifications
PropertyTypical value
Classification temperature1260-1600°C
Fibre diameter3-6 µm
GRADE COMPARISON
Grades and technical properties
For each shipment, composition, geometry, and guaranteed properties are fixed in the specification and batch quality certificate.
| Grade | Classification temperature | Al₂O₃ | SiO₂ | Fe₂O₃ | ZrO₂ | Shot content | Fibre diameter |
|---|---|---|---|---|---|---|---|
| STDBULK | 1260°C | 43% | 54% | 1.0% | - | 15% | 3-5 µm |
| HPBULK | 1260°C | 44% | 55% | 0.5% | - | 15% | 3-5 µm |
| HZBULK | 1430°C | 34% | 50% | 0.5% | 15% | 12% | 3-5 µm |
| PCBULK | 1600°C | 71-73% | - | 0.2% | - | 1% | 4-6 µm |
Properties are shown as typical values. The operating grade and guaranteed values are selected for the service conditions and fixed in the supply specification.
