PRODUCT DATA SHEET
CF-SF- · REV 1 · Jul 2026
Insulation Mat & Board · Ceramic Fiber
Ceramic Fiber Sq Ft
BRAND: HarbisonWalker International (Inswool-HP)SKU FAMILY: CF-SF-1 STOCKED SIZE
Alumina-silica ceramic fiber blanket rated to 2300°F, cut and sold by the square foot.
AT A GLANCE
Max service temp2300°F
FormBlanket (sold per sq ft)
Thickness range1", 8-pcf
FacingNone
StandardASTM C892
TECHNICAL DATAPER MANUFACTURER
| Standard / specification | ASTM C892 (high-temperature fiber blanket) |
| Thermal conductivity (k) | 0.4–1.4 across mean-temp range (HWI typical) |
| Combustibility | Non-combustible (inorganic alumina-silica fiber) |
APPLICATIONS
- Furnace and boiler linings
- Expansion joints and door seals
- High-temperature gaskets and wraps
- Kilns and heat-treating equipment
STOCKED SIZES & SKUS1 SIZES
| SKU | SIZE |
|---|
| CF-SF-100-24-50-8D | Ceramic Fiber 1" 8# 24" x 50' Sq Ft |
FEATURES
- Rated to 2300°F
- Low heat storage and thermal-shock immune
- Flexible — conforms to complex shapes
- Properties restore after wetting once dried
- Excellent sound absorption
PACKAGING & HANDLING
| Packaging | Rolls, cartoned |
| Handling & storage | Wear respirator, gloves and eye protection — refractory ceramic fiber; keep dry (properties restore on drying) |
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Data shown is nominal and per the manufacturer's published literature; verify against the current submittal and SDS before specifying. Sun City Energy Supplies stocks to spec, fabricates to size, and returns quotes the same business day. Informational only — not a warranty of fitness for a particular purpose.