ARC 858

ARC 858 is a tough, ceramic-reinforced epoxy designed to protect metal surfaces from erosion, corrosion, and chemical damage. Applied by trowel at a minimum thickness of 1.5 mm, it’s ideal for rebuilding and resurfacing equipment in abrasive and corrosive environments.

With strong adhesion and resistance to thermal shock, ARC 858 withstands temperatures up to 320°F dry and 160°F wet. It’s a cost-effective alternative to weld overlays for heavy-duty industrial protection.

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Product Features

✔ Able to be top-coated with other ARC Composites
✔ Repairs and smooths pitted surfaces
✔ Rebuilds damaged equipment
✔ Applied by trowel or spatula
✔ Normally applied at a thickness of 1.5 mm (60 mils) or more
✔ Meets Milspec 24276 B “Hull smoothing and faring compound"

Technical Data ↓

    • Pump casings and impellers

    • Fans and housings

    • Pipe elbows

    • Screws 

    • Pitted tanks and pipes

    • Heat exchangers

    • Valves 

  • 320 °F ( 160 °C )

  • 160 °F ( 70 °C )

  • 47 Mpa ( )

  • Gray

  • Nominal, based on a 750 µm (30 mil) thickness

    • 250 g kit covers 0.20 m2(2.21 ft2)

    • 940 ml cartridge covers 1.25 m2 (13.50 ft2)

    • 0.75 liter kit covers 1.00 m2 (10.6 ft2)

    • 1.5 liter kit covers 2.00 m2 (21.53 ft2)

    • 5 liter kit covers 6.67 m2 (71.76 ft2)

    • 16 liter kit covers 21.33 m2 (229.63 ft2);

    Note: Components are pre-measured and pre-weighed. ​​Each kit includes mixing and application instructions. ​250 g, 940 ml, 0.75 liter, 1.5 liter, and 5 liter kits include tools.

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