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+ Insulation Materials
+ Barrier Materials
+ Collector Bar Seals
  + Fiberseal Felts and Blankets
  + Ropes and Tadpoles
  + Pyrotherm L-30 Moldable Refractory
  + INSURAL 3000 Mastic Sealing Compound
  + INSURAL 4000 EP1-SP Mastic
+ Preheat Blankets
+ Shell Supports
+ Superflake™ Hot Chain Lubricant
Potrooms
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REMELT SOW CASTING

Primary Smelting » Potlining » Collector Bar Seals »

INSURAL 3000 Mastic Sealing Compound

INSURAL™ 3000 mastic sealing compound provides an airtight seal between the cathode bar and the end of the cathode, significantly reducing oxidation of the cathode.

INSURAL 3000 also acts as a compressible seal to close gaps in an anode baking oven between the oven’s long and short walls.

Advantages

  • Asbestos free and non-wetting
  • Excellent adhesion to fireproof materials
  • Once spent, the material is easy to remove
  • May be compressed without cracking
  • Prevents anode oxidation in the bake oven by preventing penetration of air
  • Easy to apply by hand or with a trowel
  • Recommended maximum operating temperature 2012°F (1100°C)
   

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