How to Fold No-Flake Firing Foil

Learn to make a metal clay firing box that won't mess up the inside of your kiln.

No-Flake Firing Foil is a special high-temperature alloy that does not flake when heated to metal clay firing temperatures. The stainless steel firing pan that is most commonly used for firing metal clay was designed for cold and hot foods, not the red hot heat of a jewelry kiln. The extreme heat heavily oxidizes and expands the metal. As it cools, thousands of tiny flakes begin to pop off the surface, called "spalling." The flakes look like soot, but they are tiny bits of oxidized stainless steel. If you listen, you can hear it happening...sort of like Rice Krispies. You can also watch it happening. Spalling can go on for hours after a firing and it makes a mess of the kiln and the area around the pan.

No-Flake Firing Foil is different. It's a special alloy that does not spall at extreme temperatures, so there's no mess and no flaking. Make any size box you need. We include written instructions with the product and include dimensions for box sizes you can make.

Watch how easy it is to fold a box from this foil. Here's what you'll need: the foil, a 12" metal ruler, a wide burnisher (the wedge end of a ring clamp is perfect), a small ball burnisher or ball point pen for scribing, and a pair of household scissors.

The products shown in this video are listed below.

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  • Cool Tools No-Flake Firing Foil No-Flake Firing Foil is a special alloy that does not spall at extreme temperatures, keeping your kiln cleaner, longer. If you are firing base metal clay, heat sensitive stones or Accent Silver you will need to fire in carbon to protect the articles from oxidation. No-Flake Firing Foil allows you to customize the size of your firing container and fire your wares safely without a mess. Cool Tools No-Flake Firing Foil No-Flake Firing Foil is a special alloy that does not spall at extreme temperatures, keeping your kiln cleaner, longer. If you are firing base metal clay, heat sensitive stones or Accent Silver you will need to fire in carbon to protect the articles from oxidation. No-Flake Firing Foil allows you to customize the size of your firing container and fire your wares safely without a mess.

    $17.00

    $17.00
    No-Flake Firing Foil - 12" Wide Roll
    Cool Tools No-Flake Firing Foil No-Flake Firing Foil is a special alloy that does not spall at extreme temperatures, keeping your kiln cleaner, longer. If you are firing base metal clay, heat sensi...
  • Curved Burnisher - Wide steel coated tip with wooden handle Curved Burnisher - Wide steel coated tip with wooden handle

    $5.35

    $5.35
    Curved Burnisher - Wide
    Curved Burnisher - Wide The curved burnisher is used to burnish larger areas. The tip is used to get into tight spots and crevices. Highly polished steel burnishing surface assures great results. U...
  • Ball Burnishers - Double Ended Set of 3

    $14.25

    $14.25
    Ball Burnishers - Double Ended Set of 3
    Ball Burnishers - Double Ended Set of 3 Set of 3 double ended ball burnishers give you 6 different ball sizes to burnish and texture. These simple tools will become some of the most used and loved ...
  • Ruler - Steel Ruler - Steel

    $4.95

    $4.95
    Ruler - Steel
    Ruler - Steel Use to measure and as a cutting guide. 6" ruler includes inch and millimeter markings. Handy gauge to keep close by for quick measurements and to use as a straight edge for cutting. C...
  • wood Peg Assist - Premium Non-slip Ring Clamp wood Peg Assist - Premium Non-slip Ring Clamp

    $16.75

    $16.75
    Peg Assist - Premium Non-slip Ring Clamp
    Peg Assist - Premium Non-slip Ring Clamp Use to hold rings and small parts. Non-slip, extra-long round peg ideal for secure hold. Quality leather-lined jaws.
  • Ring Clamp - Hardwood Use to hold rings and small parts. The wedge is jammed into the open end and tapped on a firm surface to tighten. Hardwood ring clamp has leather jaws for holding parts while sanding or working. Flat end and rounded end for a variety of applications. Jaws are lined with leather to assure a firm grip without marring.

    $9.60

    $9.60
    Ring Clamp - Hardwood
    Ring Clamp - Hardwood Use to hold rings and small parts. The wedge is jammed into the open end and tapped on a firm surface to tighten. Hardwood ring clamp has leather jaws for holding parts while ...
  • black Steel Square - 12" black Steel Square - 12"

    $8.25

    $8.25
    Steel Square - 12"
    Steel Square - 12" Use a square to layout projects with accurate and true lines. Milled to perfection at an exact 90 degree angle for perfect corners, centering stones and a wide variety of other ...

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