Perlite Pipe Cover

BRAND: Johns ManvilleSKU: PER-2 SIZES STOCKED

AT A GLANCE

Max temp1200°F

FormPre-formed pipe

Thickness1-1/2" (stocked)

FacingNone

Molded expanded perlite pipe insulation (Sproule WR-1200 type) — hydrophobic, non-wicking, with XOX corrosion inhibitor; the standard choice over austenitic stainless above 140°F.

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↓ SPEC SHEET (PDF)

STOCKED SIZES2 SIZES

TECHNICAL DATA

StandardASTM C610

Thermal conductivity (k)0.48 @ 200°F (pipe, ASTM C335)

Density<15 pcf (avg)

Flame / smoke0 / 0 (ASTM E84 / UL 723)

Compressive resistance>70 psi @ 5% (ASTM C165)

CombustibilityNon-combustible per ASTM E136

APPLICATIONS

Hot piping over stainless steel
Refinery and chemical-plant service
High-temperature process lines

THERMAL CONDUCTIVITY — K VS. MEAN TEMPBTU·IN/HR·FT²·°F

MEAN °F

200

300

400

500

k value

0.48

0.55

0.61

0.67

FEATURES

Rated to 1200°F
Hydrophobic and non-wicking
XOX corrosion inhibitor
Non-combustible, 0/0
Asbestos-free (blue color coding)

PACKAGING & PAIRS WITH

PackagingShrink-wrapped 3 ft half-sections

Handling & storageKeep dry; store indoors; hydrophobic/non-wicking but protect from weather

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