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    £ 77.50 inc. VAT

    £ 64.58 exc. VAT

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ZYP Boron Nitride Spray Primer

This item cannot be shipped air to the Channel Islands

ZYP Coatings top grade, High Concentration Boron Nitride Spray for use with ceramic and steel fusing and slumping moulds and SilkeMat. This is the best Boron Nitride on the market for glass art. Recommended by Creative Paradise Inc. Excellent for use on moulds for casting and texture where higher temperatures are encountered. ZYP is a separator you can trust on moulds where higher (fusing) temperatures are used, for a smooth, clean release. Recommended by Creative Paradise this easy to apply spray can fire up to 982°C, Great for ceramic casting moulds.

Please note that once you have used BN spray on a ceramic mould it is not possible to re-coat with a traditional paintable primer e.g. Primo Primer. This will outlast traditional powdered primers by a significant margin before re-coating is required.

Top up coat(s) can be applied as neccessary according to firing temperature and frequency. With a casting mould a top up coating may be required each time due to higher temperatures. It will allow a clean realease without spines and sharp edges.

How to use Zyp Primer:

Set up a spray area with newspaper or the like to protect the surroundings, and undertake the job outside or somewhere very well ventilated. 

Always wear a respirator mask, gloves (it comes out of the nozzle very cold) and safety glasses. Use in a well ventilated space.

The first time you use ZYP boron spray it is necessary to apply five coats. Hold the can 10-12 inches from the mould and apply in 2-3 second sweeping bursts. Hold both the can and the mold upright. 

Apply a first, light coat across all the mould, any cavities and texture that will come in contact with glass. For larger moulds you may need to use a longer 3-5 second blast.  Do not saturate the surface. If it beginst to look wet stop spraying immediately. Allow the mould to dry out and then re-spray the wet area lightly.

Set the mould aside for 5 minutes to dry, then re-apply a second coat as before, repeat up to the 5th coat and then leave to dry for 15 minutes before use. After the first preparation, simply apply one light coat each time you fire. Top up coat(s) can be applied as neccessary according to firing temperature and frequency. With a casting (frit fill) mould a top light up coat will be required each time due to higher temperatures. It will allow a clean realease without spines and sharp edges.

 

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  • * * * * *
    16/06/2024
    Essential for coating moulds for small items going to full fuse temperatures
    By Jill Chadwick

    So much better than kiln wash and other alternatives when you use the moulds for small glass pieces which need to go near full fuse temperatire

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