Oct 22, 2020 / Products

HarbisonWalker International’s workhorse, 85% alumina phosphate bonded patching plaster is a highlight to the needs of many applications. It comes ready to use in a pail, and can be applied by hand or trowel, in hot or cold surfaces.

GREFPATCH 85 is resistant to metal & slag erosion, will not shrink or crack on heat up, and can be used on metal and non-metal contact areas which have spalled or eroded.

GREFPATCH 85 is the perfect general patching material, and will be there when you need it for repairs.

  • Top cap / shoulders
  • Lips
  • Spouts
  • General patching maintenance

Stocked and Ready to Ship

  • GREFPATCH 85 in 55 lb. pails
  • GREFPATCH 85 (Wet) in 50 lb. pails

Click here to request a sample pail.

About HarbisonWalker International

With more than 150 years of industry leadership, HarbisonWalker International (HWI) is the largest supplier of refractory products and services in the United States. Headquartered in Pittsburgh, Pennsylvania, the company’s international network spans North America, Europe, and Asia, with 19 manufacturing plants, 30 global sourcing centers, and technology facilities in both the United States and China. Serving virtually every major industry that requires refractory solutions to enhance production and protect assets, HWI is consistently recognized for its talented experts, industry firsts, and intensely driven excellence.



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