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types Brick
temp pinrunts 3000F
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J-BVB BN*- JLATBNO FIRE BRICK
H| DESCRIPTION: Johns-Manville produces six types of Insulating Fire Brick to provide opera tors and builders of high temperature equipment six opportunities to get the one insulating fire brick that's right for a given service.
JM-1620--for temperatures to 1600F exposed; to 2000F back-up.
JM-3000 Insulating Fire Brick Is the newest of the six types. It provides long-life insulation at a full 3000F, in back-up or direct exposure service, and Is molded from specially selected kaolin clays plus alumina.
Each type of J-M Insulating Fire Brick has the IB USES: Recommended for use as refractory
correct balance of thermal and physical properties lining or as back-up insulation behind other refrac
for its recommended service. All six types offer
tory protection in kilns, furnaces, flues, refining ves
light weight, low conductivity and high structural sels, regenerators, gas producers and mains, soaking
strength.
pits, stress-relieving furnaces, reactor chambers
Made from high quality refractory clays (plus
and similar high temperature industrial equipment.
alumina in the case of JM-3000), these insulating fire brick contain a carefully graded organic filler
H ADVANTAGES
which is burned out during manufacture to give a uniform, controlled pore structure.
High Insulating Value
l
|3 AVAILABLE TYPES:
The light weight and high insulating value of J-M In
JM-3000*--for temperatures to 3000F exposed.
sulating Fire Brick make possible thinner furnace walls, improved efficiency and lower operating costs.
JM-28--for temperatures to 2800F exposed.
JM-26--for temperatures to 2600F exposed.
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JM-23--for temperatures to 2300F exposed.
JM-20--for temperatures to 2000F exposed.
Quick Heat Up
Furnaces can be brought up to operating temperatures with unusual speed, resulting in increased production.
M 50
ET-000083