TYPE
|
FORM
|
TEMP
RANGE °C
(°F)
|
K-FACTOR / MEAN
TEMP
|
NOTES
|
|
CALCIUM SILICATE |
Pipe Insulation
Block
Segments |
to 648.9°C (1200°F)
|
.055 @ 93.3°C
(.38 @ 200°F) |
Strong for its weight, good workability, water
absorbent, non-combustible. |
|
GLASS CELLULAR |
Pipe Insulation
Block
Segments |
to 482.2°C (900°F)
|
.048@ 23.9°C
(.33 @ 75°F)
.059
@ 93.3°C
(.41 @
200°F) |
Good strength, water & vapor resistant,
noncombustible, poor abrasion resistance. |
|
GLASS FIBER
|
Pipe Insulation
Board |
to 454.4°C (1000°F)
to 537.8°C (1000°F)
|
.032 @ 23.9°C
(.22 to .23 @
75°F)
32 @ 93.3°C
(.22 to .38 @ 200°F) |
Good workability, noncombustible, water
absorbent. |
|
GLASS FIBER
|
Blanket
|
to 232.2°C (450°F)
|
.040 @ 23.9°C
(.28 to .38 @ 75°F) |
General purpose material, many facings
available |
|
MINERAL FIBER
|
Pipe Insulation
Block
Board
Blanket |
to 648.9°C
(1200°F)
to 1037.8°C
(1900°F)
to 648.9°C (1200°F)
to 732.2°C (1350°F) |
.040 @ 93.3°C
(.28 @ 200°F)
.048 @
93.3°C
(.33 @ 200°F)
.040 @ 93.3°C
(.28 to .30 @ 200°F)
.068 @
260.0°C
(.47 @ 500°F) |
Good workability, noncombustible. |
PERLITE
(Expanded)
|
Pipe Insulation
Board
|
to 815.6°C (1500°F) |
.069 @ 93.3°C
(.48 @ 200°F) |
Good workability, noncombustible. |
ELASTOMERIC
|
Pipe Insulation
Sheet |
40.0°C to 104.4°C
(-40°F to 220°F) |
.040 @ 23.9°C
(.28 @ 75°F) |
Closed cell, finish not required, good
workability. |
PHENOLIC
(FOAMED)
|
Pipe Insulation |
178.9°C to 121.1°C
(-290°F to 250°F) |
See manufacturer's data for K-factor |
Check manufacturers' data sheets for
properties. |
POLYSTYRENE
(Extruded)
|
Pipe Insulation
Board |
-182.8°C to 73.9°C
(-297°F to 165°F) |
.037 @ 23.9°C
(.26 @ 75°F) |
K-value may change as these materials age.
|
POLYSTYRENE
(Expanded)
|
Pipe Insulation
Board |
-40.0°C to 73.9°C
(-40°F to 165°F) |
.033 @23.0°C
(.23 @ 75°F) |
|
POLYURETHANE |
Pipe Insulation
Board |
73.3°C to 104.4°C
(-100°F to 220°F)
|
.023 @23.9°C
(.16 @ 75°F) |
POLYISO-
CYANURATE |
Pipe Insulation
Board |
182.8°C to 148.9°C
(-297°F to 300°F) |
.026 @ 23.9°C
(.18 @ 75°F)
|
|
POLYETHYLENE
|
Pipe Insulation
Sheets |
67.8°C to 100.0°C
(-90°F to 212°F) |
.038 @ 23.9°C
(.265 @ 75°F) |