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RESCOCAST 8 - 2800°F, Insulating, Hand-Castable, Easy-to-Use Refractory.

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RESCOCAST 8 is an easy-to-use, fine-grained, hand-castable, insulating, 2800°F, medium-weight refractory that finishes nicely.

Mixing:

  • Professional Mix is ~ 30% water but for Forge Projects 35-40% is usually better., especially when applying on top of pre-regidized wool.
  • Priority is mix to texture needed.
  • Use power mixer (drill, blender) for only up to 2 mins.

Suggestions:

  • If coating KaoWool, first apply Rigidizer (and fire it briefly for 'crystalization'), then poke holes with pencil so castable has mechanical 'roots' in wool.
  • Typically add 2% SS Needles to all refractories.  It keeps any future cracks in place an repairable and adds strength.
  • Wiping or brushing a thin coat of the reflective ceramic ITC 100-HT coating onto the finished surface improves forge performance and saves fuel by ~ 1/3.

Properties:

  • Max Temp: 2800°F (Safely above a propane forge's max temp).
  • 46% Alumina. withstands up to 950 psi, with a cured density of 89 lb/ft3.
  • When mixed properly it is 'hand-packable' (it does not automatically 'self-level', or slump, making it suitable for hand casting).
  • VERY low iron content (0.5-0.7% iron) helps aid in flux resistance. The iron content in welding Flux amplifies damage to refractories.

Sizes Available:

  • 1 Gallon Pail - 4 Kg.
  • 2 Gallon Pail - 9 Kg.
  • 5 Gallon Pail - 20 kg.

Click here for Application Info & SDS.

Alternative Insulating Refractories (& we have more than this)

GreenLite 45 L GR - 2500°F Strong, Highly Insulating, Quicker Setting Castable.

Kast O Lite 30 Li+ - 3000°FStrong, High Temp Insulating Castable.

Kast-O-Lite 20-45 - 2000°F Backing Insulation - Soft - Highly Insulating. 

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