Mechanical Insulation

Mechanical Specification

Welcome to the Engineers’ Portal for mechanical insulation. This is where we’ve consolidated the thermal, density, and sustainability data for each of our mechanical insulation products. Now, you can do a side-by-side product comparison to quickly capture the information you need about each product.

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Thermal Conductivity (K Values)
Mean Temperature 75° F
(24° C)
100° F
(38° C)
200° F
(93° C)
300° F
(149° C)
400° F
(204° C)
500° F
(260° C)
PIPE INSULATION PRODUCTS
Micro-Lok® HP 0.23 0.24 0.28 0.34 0.44 0.55
Micro-Lok® HP Ultra 0.23 0.24 0.28 0.34 0.44 0.55
Micro-Lok® HP Plain 0.23 0.24 0.28 0.34 0.44 0.55
RIGID EXTERNAL DUCT AND EQUIPMENT INSULATION
814 Series Spin-Glas® 0.23 0.24 0.32 0.38 na na
1000 Series Spin-Glas® 0.23 0.24 0.26 0.33 na na
Precipitator Spin-Glas® 0.23 0.24 0.26 0.33 na na
FLEXIBLE EXTERNAL DUCT AND EQUIPMENT INSULATION
Microlite® EQ FSK Duct Wrap Type 75 0.29 0.31 0.43 na na na
Microlite® EQ FSK Duct Wrap Type 100 0.27 0.29 0.40 na na na
Microlite® EQ FSK Duct Wrap Type 150 0.24 0.26 0.36 na na na
Micro-Flex® 0.24 0.28 0.32 0.39 0.46 0.58
HTB 26 EQ Spin-Glas® 0.26 0.23 0.38 0.46 0.71 0.74
PVC Products
Zeston® Hi-Lo Temp Insert 0.26 0.23 0.38 0.46 0.71 0.74
* Extrapolated Value

Mechanical Product Overview
  Service Temp
(Nominal)
Thermal
Conductivity
(K-Value)
Density
(PCF)
Recycled
Content
Greenguard Data Sheet
PIPE INSULATION SPECIFICATION
Micro-Lok HP 850° F 0.23 na 31% Gold Data Sheet
Micro-Lok HP Ultra 850° F 0.23 na 31% Gold Data Sheet
Micro-Lok HP Plain 850° F 0.23 na 31% na Data Sheet
RIGID EXTERNAL DUCT AND EQUIPMENT INSULATION SPECIFICATION
814 Series Spin-Glas 450° F 0.22 - 0.24 1.5 - 6.0 29% na Data Sheet
1000 Series Spin-Glas 850° F 0.23 3.0 29% na Data Sheet
Precipitator Spin-Glas 850° F 0.24 2.4 29% na Data Sheet
FLEXIBLE EXTERNAL DUCT AND EQUIPMENT INSULATION SPECIFICATION
Microlite EQ FSK Duct Wrap
Type 75
250° F 0.29 0.75 24% Gold Data Sheet
Microlite EQ FSK Duct Wrap
Type 100
250° F 0.27 1.0 24% Gold Data Sheet
Microlite EQ FSK Duct Wrap
Type 150
250° F 0.25 1.5 24% Gold Data Sheet
Micro-Flex 850° F 0.23 2.5 36% na Data Sheet
HTB 26 EQ Spin-Glas 1000° F 0.26 1.0 24% na Data Sheet
Note: Thermal Conductivity measured at 75° F (24° C)

PVC Product Overview
  Service Temp
(Nominal)
Thickness
(Nominal)
Data Sheet
Zeston® 2000 Series 0° to 150° F 20 mil Data Sheet
Zeston® 2000 Series Color 0° to 150° F 20 mil Data Sheet
Zeston® 300 Series 0° to 150° F 30 mil Data Sheet
Zeston® PVC Jacketing 0° to 150° F 10 - 30 mil Data Sheet

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