PRODUCT DATA SHEET
PI-LF- · REV 1 · Jul 2026
Pipe Covers · Polyiso
Polyiso LF
BRAND: Johns Manville (Trymer 2000XP bunstock)SKU FAMILY: PI-LF-3 STOCKED SIZES
Fabricated 2-pcf polyisocyanurate (PIR) pipe insulation sold by the linear foot for cold, chilled and dual-temperature service from −297°F to 300°F.
AT A GLANCE
Max service temp−297°F to 300°F
FormPre-formed pipe (sold per linear foot)
Thickness range1-1/2", 2-pcf
FacingNone (fabricated; jacketing by others)
StandardASTM C591
Flame / smoke25 / 450 (ASTM E84)
TECHNICAL DATAPER MANUFACTURER
| Standard / specification | ASTM C591 Grade 2, Type IV |
| Thermal conductivity (k) | 0.19 @ 75°F (180-day aged design value) |
| Density | 2.0 pcf (nominal) |
| Combustibility | Combustible — protect from high heat sources; cover per code |
APPLICATIONS
- Chilled water and glycol
- Refrigeration and low-temp process
- Dual-temperature piping
THERMAL CONDUCTIVITY — K VS. MEAN TEMPBTU·IN/HR·FT²·°F
STOCKED SIZES & SKUS3 SIZES
| SKU | NOM. SIZE | WALL / 2ND |
|---|
| PI-LF-250-150-2D | 2.5" | 1.5" |
| PI-LF-450-150-2D | 4.5" | 1.5" |
| PI-LF-350-150-2D | 3.5" | 1.5" |
FEATURES
- −297°F to 300°F service
- Aged k of 0.19 @ 75°F
- 2.0 pcf closed-cell foam
- 25/450 flame-smoke
- Not a mold nutrient
PACKAGING & HANDLING
| Packaging | Fabricated half-shells, bagged/cartoned |
| Handling & storage | Store indoors; protect from UV (sunlight degrades unjacketed foam) and open flame |
CONTRACTORS ALSO ORDER
Polyguard Insulrap 30Foster 95-44 ElastolarChilders CP-70Aluminum Jacketing
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.