RX Chemical Company, Inc.

RX REFRACTORY GRADE SELECTION

 Each of the three grades of RX Refractory Coating has a different temperature range and a different glazing temperature.  It is important that the coating reach its glazing temperature.  An unglazed coating will not perform properly.  After the coating has been glazed, it can be operated at any temperature below its maximum temperature.

      Glazing Temp.   Maximum Temp.
Grade   degrees F       degrees F

RX-14    1,400            2,200

RX-21     2,100            2,800

RX-36    2,700            3,600

Listed below are the recommended grades of RX Coatings for use with various types of equipment.

BOILERS:

Package type (water & fire tube)  RX-14
Electrical Generating:
     Burner tiles          RX-36
     Cyclones              RX-36
     Wet Bottom Refractory RX-21

FURNACES:

Annealing     RX-14
Billet        RX-14
Brazing       RX-21
Carbuerizing  RX-14
Crematory     RX-14
Crucible      See Metals
Enameling     RX-14
Forging       RX-21
Heat Treating RX-14
Melting       See metals
Nitriding     RX-14
Pathology     RX-14
Reverberatory See Metals
Sintering     RX-21
Welding       RX-36

METALS:

 For use on process refractories such as in metal melting furnaces, crucibles, ladles, soaking pits, troughs, etc.

Aluminum              RX-14
Copper based alloy    RX-21
Iron/Steel and alloys RX-36
Magnesium             RX-14
Precious Metals       RX-14

OTHER EQUIPMENT:

Calciners       RX-14 or 21
Dryers          RX-14
Heat Generators RX-14 or 21
Incinerators    RX-14
Kilns           RX-14 or 21
Ovens           RX-14

APPLICATION INSTRUCTIONS

  • Apply in New or Used Refractory
  • Supplied as Dry Powder in 1, 3 or 5 Gal. Cans
  • Mix With Tap Water
  • Apply with Brush or Spray
  • Air Dry
  • Heat to Glazing Temperature*
  • Detailed Instructions in Each Can

*In foundry applications the glazing temperature can be reached by adding the melt to the coated piece of equipment.  The heat from the melt will complete the glazing process.

APPROXIMATE COVERAGE

Refractory Type   Square feet/gallons

Insulating brick      30
Lightweight castable  30
Lightweight firebrick 30
Medium duty brick     40
Medium duty castable  40
High duty brick       50
High duty castable    50
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RX Chemical Company, Inc.

PO Box 188
Lake Geneva, WI

Phone
(262) 248-3216

Fax
(262) 248-3209

Email
info@
RXChemical.com

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