Hi Fire Primer is a formula of alumina and low-fluxing clays. It is designed to withstand high kiln temperatures up to 1,549 Degrees Fahrenheit. Perfect for glass raking (sometimes called combing) Pot melts and more! It does contain a dye so you can see where you apply it but the color burns off when firing and will not affect your fused glass. An excellent glass separator with a smooth finish between the glass and kiln shelf but it is also excellent for coating mandrels for beadmaking. Consider using one of our Haik Brushes to ensure no lines or build-up.
Contains: 1 1/2 lb or 1/2 Pound (226.8 or 680.39 grams) in Heavy Zip Lock to keep dry.
When applied per instructions, the glass does not stick to the shelf or to the glass.
To remove from shelf after firing with a stiff brushing or by wiping with a damp sponge.
Always wear a NIOSH-approved mask as it contains silicates and alumina hydrate in powder form.
Click Here to Read MSDS
General Safety: Always wear a mask as product contains powder silicates.
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