Boron Nitride Coating
Non-wetting BN coating for ladles, troughs, thermocouples and molds
View details Consumables · Coatings
Ingot Mold Coating
Boron nitride release coating that protects ingot molds and eases ingot release
Overview
What it is and where it works
Coating applied to ingot and sow molds to protect the mold surface from molten aluminium and make the ingot release cleanly. The industry standard is a water-based boron nitride (BN) suspension with a binder, brushed or sprayed on preheated molds and dried by residual heat. Coating type affects cooling time as well as release.
- Type
- Water-based boron nitride (BN) suspension with binder, the industry standard
- Application
- Preheat clean molds up to about 100 °C; brush or spray; thin coats of about 50 to 150 µm
- Dilution
- Some grades are diluted with water at 1:2 to 1:3 if needed
In your plant
Where It Is Used
- Ingot casting machine molds
- Sow and T-bar molds
- Manual pouring molds for returns
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- Mold material and casting machine
- Application method (spray system, brush)
- Current coating and problem (sticking, mold cracking, ingot surface)
- Monthly consumption
One supplier, one shipment
Often Quoted Together
Need something different? We adapt sizes, materials and specs to your drawing.
Further reading
From Our Insights
Buyer questions
Frequently Asked Questions
Does the coating slow down solidification?
Insulating release agents can lengthen cooling time, so the coating is chosen to balance release against cycle time.
Can I apply it on a cold mold?
Preheating the mold helps the coating dry; wet coating must never meet molten metal.
