PRODUCT DATA SHEET
EW- · REV 1 · Jul 2026
Insulation Mat & Board · Fiberglass
Enerwrap
BRAND: Rockwool (Enerwrap / ProRox MA 960)SKU FAMILY: EW-1 STOCKED SIZE
Rockwool Enerwrap MA 960 rolled and faced mineral wool wrap (8-pcf nominal) for large-diameter piping, vessels, ducts and equipment to 1200°F.
AT A GLANCE
Max service temp1200°F
FormBlanket (faced roll)
Thickness range2" x 36" x 216"
FacingFibrous scrim (foil facing available)
StandardASTM C553
Flame / smoke≤25 / ≤50 (ASTM E84 / UL 723)
TECHNICAL DATAPER MANUFACTURER
| Standard / specification | ASTM C553 (flexible mineral wool blanket) |
| Thermal conductivity (k) | 0.25 @ 100°F |
| Density | 8 pcf nominal (5.7 pcf actual) |
| Water-vapor sorption | <1% by wt (ASTM C1104) |
APPLICATIONS
- Large-diameter piping (20"+)
- Vessels, ducts and equipment
- Thermal and acoustic lagging
THERMAL CONDUCTIVITY — K VS. MEAN TEMPBTU·IN/HR·FT²·°F
| Mean °F | 200 | 300 | 400 | 500 |
|---|
| k value | 0.3 | 0.34 | 0.4 | 0.48 |
STOCKED SIZES & SKUS1 SIZES
| SKU | NOM. SIZE | WALL / 2ND |
|---|
| EW-2-36-8D | 2" | 36" |
FEATURES
- Rated to 1200°F
- Flexible — conforms to large diameters
- Water-repellent WR-Tech binder
- Black mat facing
- ≤25/≤50 flame-smoke
PACKAGING & HANDLING
| Packaging | Faced roll, 36" wide |
| Handling & storage | Keep dry; store indoors; water-repellent WR-Tech binder |
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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.