UNITED PERLITE CORPORATION

Hi-Therm Cellular Glass Insulation

 .
Cellular Glass insulation is manufactured under the trade name of CELL-U-Foam™ by Cell-U-Foam Corporation, a subsidiary of ACS Industries, Inc. in the U.S.A. Cell-U-Foam Corporation manufactures a Cellular Glass Insulation material that until now was only produced by PITTSBURGH CORNING under the trade name of FOAMGLAS. ® in the USA. Cellular Glass insulation has become widely accepted as the preferred material in numerous piping, vessel, roofing and underground applications. Cellular Glass has proven to outperform all other insulation material in the worst moisture conditions and remains non-combustible in extreme fire hazard condition.

 

Physical and Thermal Properties 
Property
 
ASTM Methods
 
British Units
 
SI Units
 
Density
 
C 303
 
8 lbs/ft³
 
128 kg/m³
 
Moisture
 
 
C 240
 
0.2%
(surface cling after immersion)
 
Compressive strength
 
C 165, C 240, C 552
 
> 100 psi
 
> 689 kPa
 
Flexural strength
 
C 203, C 240
 
> 80 psi
 
> 552 kPa
 
Thermal conductivity
 
C 177, C 518
 
Btu-in/hr-ft²-ºF:
0.31 @ 50ºF
0.33 @ 75ºF
 
W/m-ºK:
0.044 @ 273ºK
0.045 @ 283ºK
 
Specific heat
 
.
 
0.18 Btu/lb-ºF
 
830 J/kg-ºK
 
Thermal diffusivity
 
.
 
0.019 ft²/hr
 
4.9 x 10-7 m²/sec
Linear coefficient of thermal expansion E 228 4.8 x 10-8/ºF 8.6 x 10-6/ºK
Combustibility E 136 Totally noncombustible
Water vapor transmission E 96 0.00 perm-in 0.00 perm-cm 
Hygroscopicity
 
.
 
No increase in weight up to
90% relative humidity
Chemical resistance . Resists attack by common chemicals and their fumes except for hydrofluoric acid
Capillarity (wicking) . None
Composition . 100% glass, no binder
Dimensional stability . Does not swell or shrink
Maximum service temperature . 800 ºF 700ºF

 

Certifications

On request, Cell-U-Foam insualation
 can becertified to comform to 
requirements of the following
  • ASTM C 552, " Specification for Cellular Glass Thermal Insulation
  • U.S. Coast Guard 46CFR 164.009.3 for noncombustible materials
  • U.S. Military Specification MIL-24244B, "Insulation Materials, Thermal, with Special Corrosion and Chloride Requirements
  • ASTM E 84 Flame and Smoke Test
 
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Typical Applications
  • Low-temperature and cryogenic pipes and vessels
  • Underground piping for steam and chilled water
  • Hot asphalt, sulfur, oil and heat transfer fluid lines
  • Cladding to dry and restore old insulation without shutdown
  • Base insulation under tanks
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