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US 12,623,308 B2Granted
Removable stop-off material for brazing
AssigneePrince & Izant, LLC
InventorsKristina Pavlovna Dyshko, Warren Martin Andre Miglietti
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Abstract
Provided herein is a stop-off material for a brazing process. The stop-off material includes a solvent, a thickener, and magnesium oxide. About 5 weight percent to about 60 weight percent of the stop-off material comprises the magnesium oxide. The stop-off material is configured to be removed from a surface after heating and via air pressure.
Claims20
A stop-off material comprising:
- a solvent;
- a thickener, wherein the solvent and the thickener together form a solvent-thickener mixture, wherein 1 wt % to 3 wt % of the solvent-thickener mixture comprises the thickener;
- and
- magnesium oxide, wherein 5 wt % to 60 wt % of the stop-off material comprises the magnesium oxide.
1 more element
A stop-off material comprising:
- water;
- a thickener comprising a polymer, wherein the water and the thickener together form a water-thickener mixture, wherein 0.5 wt % to 3 wt % of the water-thickener mixture comprises the thickener;
- and
- magnesium oxide.
1 more element
A stop-off material comprising:
- a water-thickener mixture comprising:
- water,
- a thickener, and
- a cross-linking agent, wherein about 2 wt % to about 7 wt % of the water-thickener mixture comprise the cross-linking agent;
- and
- magnesium oxide.
3 more elements
Dependencies are inferred from the claim text.