ZYP Coatings BN Aerosol Lubricoat

[JKH]

ZYP Coatings’ BN Aerosol Lubricoat is a great coating for priming molds.  It is the same as the former MR-97 product.  The reason it works better as a release agent is because of it has higher quality ingredients.

If can be purchased from ZYP:

http://www.zypcoatings.com/top-selling-boron-nitride-coatings/bn-aerosol-lubricoat/

Colour de Verre has a helpful guide on how to use the product.

http://www.colourdeverre.com/img/projects/advancedpriming.pdf

 

[Vital-Spark]

I fully fuse usually at 1480 (Bullseye say 1490) & I found the old MR-97 was OK with transparent but had a bloom just like a mild devit on opals. I believe its only ‘good’ for 1440 which means a long hold to fully fuse & thats not good. You want to spend the shortest time at full process temp.

[JKH]

This “hold at target temperature as short as possible” is probably a way of avoiding devitrification using schedules that seem way too hot.  Most glass manufacturers are believers in low and slow as opposed to hot and fast.

I think the problem is probably because the product is being applied too close to the mold. If the product “pools” on the mold’s surface you get get this haze that the user is describing. We suggest reviewing http://www.colourdeverre.com/go/zyp for more information. Some Opals are exceptionally sticky and some Bullseye glass does weird things at high temperatures. However, I don’t think this is the case.

 

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