PRODUCT DATA SHEET
CF-IW- · REV 1 · Jul 2026
Other
Inswool
BRAND: HarbisonWalker International (Inswool-HP)SKU FAMILY: CF-IW-3 STOCKED SIZES
HarbisonWalker Inswool-HP alumina-silica ceramic fiber blanket, 2300°F rated, low iron content (<1%), stocked in 24" x 25' rolls.
AT A GLANCE
Max service temp2300°F
FormBlanket (roll)
Thickness range1"–1-1/2", 8-pcf, 24" x 25' rolls
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
- Kilns and heat-treating
- Expansion joints and seals
- High-temperature wraps
STOCKED SIZES & SKUS3 SIZES
| SKU | NOM. SIZE | WALL / 2ND |
|---|
| CF-IW-1-24-8D | 1" | 24" |
| CF-IW-1-24 | 1" | 24" |
| CF-IW-150-24-8D | 1.5" | 24" |
FEATURES
- Rated to 2300°F
- Excellent hot and cold strength
- Stays on furnace anchors at temperature
- Properties restore after wetting once dried
- Low iron content (<1%)
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.