Molded heat-insulation material

TOMBO™ No. 5645


FINEFLEX BIO Mold is a product that adds inorganic and organic binders to FINEFLEX BIO Bulk and is molded into various shapes by way of a suction molding method.
TOMBO No.5645-M is a minimal odor type that has incorporated a very small amount of organic binder. TOMBO No.5645-A is a general-use type that has excellent workability.

Product Category

Thermal Insulation MaterialUp to 1500℃


Energy (Electricity, Gas, Heat Supplies)Thermal Power Stations (Coal)Thermal Power Stations (LNG)Biomass Power Generation and Heat Supply PlantsElectronicsElectronic Components5GIron & Non-Ferrous MetalsSteelmaking PlantsAluminum Casting & MachiningCarbon Neutrality and DecarbonizationIndustrial-Use InsulationEnergy Saving ProposalsBiomass Power Generation and Heat Supply PlantsVarious Plant FacilitiesIndustrial Furnaces (Electric Furnaces/Combustion Furnaces)


A product made of alkali earth silicate (AES) wool that does not apply to OPHSCS.
It is lightweight and has a low thermal conductivity, and so it displays excellent insulation performance.
It is relatively easy to select a shape and thickness.
It can easily be machined such as for grinding and cutting.


General high-temperature insulation
Insulation for the inside of compact electric furnaces
Aluminum tap hole and stopper cover
other thermal and heat insulation materials and backup materials

Quality characteristics

Item TOMBO No.
5645-M 5645-A
Features Minimal odor type It offers excellent machinability.
Color White
Density (kg/m3) 250
Maximum heat resistant temperature (°C) 1300
Regular working temperature (°C) 1000
Bending strength (MPa) Normal state 0.2 0.5
Ignition loss (%) 0.7 4.0
Chemical components SiO2, CaO+MgO, other
*The values above are our actual measurement values. They are not standard values.
*Please contact us if you have any questions about the shape.
*Depending on the usage environment, the product may crack and warp at a temperature of 1100°C or more.
When ordering, please inform us of your usage conditions.


  • TOMBO is a registered trademark or trademark of NICHIAS Corporation.
  • Name of products with "®" are registered trademarks of NICHIAS Corporation.
  • Name of products with "™" are trademarks of NICHIAS Corporation.
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