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Scarva GZ2130 Zinc Free Multi-Purpose Leadless Mid-Temperature Transparent
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GZ2130 Mid Temperature Transparent High gloss transparent, very stable. Excellent for domesticware. 
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Mid Temp transparent glaze is great
I bought the brush on version of this glaze it's easy to use and very consistent and reliable- don't put on too many coats as recommended - it will turn milky. You could probably water it down to make it easier to apply and not too thick. 3 thin coats is what I recommend. I fired iron based decals onto surface afterwards at 930C and it took to the glaze really well, I thought it would not flux that low but it was fine. Great product for mid temp glaze range. Thanks Scarva... I fired to 1150C
Sharon
United Kingdom
11 December 2017
Helpful?
(39)
(0)
Lovely coverage. High gloss.
I have so far used this on PF580 clay bisqued at cone 06. I decorated my work with Scarva Nano stains mixed with water and glaze medium and then this over the top. I fired it at cone 4 as advised by the very helpful staff at Scarva and the results are wonderful. Very glossy, even coverage. I must note though that I did find a fairly thick coat was better for me than a thin one. A previous reviewer mentioned she didn't need a thick coat and I found I did but perhaps that's just me. I use a Skutt Automatic kiln to fire my work in. Anyway I love this glaze.
Lucy
United Kingdom
25 September 2017
Helpful?
(89)
(1)
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Is this glaze food safe and suitable for use with Amaco velvet under-glaze. Thanks
Joanne Edwards from United Kingdom
If a glaze is food safe our not depends on several factors including the type of clay used, the firing temperature, the shape of the vessel, the thickness of glaze even the position of the vessel in the kiln can have an effect on the glaze. Ideally a food safe test would be carried out by a reputable body like British Ceram. In the case of the glaze mentioned it would most likely pass a food safe test providing it was fired on a suitable body like our ES5 Earthstone Original in an electric kiln and to the suggested firing temperature.
Scarva Team
Is it a brush on glaze?
Elica from United Kingdom
If the glaze is listed as mls or Ltrs it is brush on, if it is listed in grms or kgs it is supplied in powder form, hope this helps.
Scarva Team
If I have already glazed a piece on one surface with a high temperature glaze, could I then use this glaze on the other side firing at a lower temperature and thus not effecting the already glazed side?
Tamsen from United Kingdom
No simply it will not work, sorry about this.
Scarva Team
Can a mid-range glaze be used on both earthenware and stoneware, as long as the firing temp does not exceed the max limit?
Helen from United Kingdom
Yes this is correct.
Scarva Team
Can you dip items into this glaze or is it only suitable for brushing on?
Thank you
Megan from United Kingdom
Hi, this glaze can be used for both dipping and brushing. If you'd like to use it for dipping simply purchase the powdered version in the options. If at any stage you'd like to make it a brush-on glaze you can do so but combining with our Scarva Brush-on Glaze Medium. Hope this helps!
Scarva Team
Hi ,
How much quantity in liquid do the ooeerdedglazes make up to. Eg 1kg of powder makes how much in liquid?
Thank you
Sheena from United Kingdom
1 kilo of powdered glaze makes approximately 1 litre. Hope this helps.
Scarva Team
Do just add water to the powder form?
Natasha from United Kingdom
Yes simply add water to the powder and pass through a fine mesh sieve to create a dippable/sprayable glaze.
To make a brush on glaze you would add our RM1072 brush on medium to the powder and sieve. Hope this helps.
Scarva Team
I have been using this glaze for a while over Amaco velvet underglazes mixing it from powder and pouring it from a jug. but recently it has pulled the underglazes in places. Have I accidentally mixed it too thinly? Should I remix?
Caroline Notman from United Kingdom
You could try bisque firing the underglaze before applying the transparent this may help it to adhere to the vessel without compromising the underglaze. Hope this helps.
Scarva Team
I used brush on version of this glaze and applied of 3 layers on bisque fired terracotta with no underglaze, and drying time between each layer. Then glaze fired to 1100C. When finished the glaze came out foggy (it was not transparent/clear). Is it because the layers were too thick or should I have fired at higher temperatures?
Jaleel from Kuwait
Hi, there are a few issues here, 3 layers is too many for this particular glaze, it would be better with 1 or 2. The glaze is fired too low, this glaze works best at 1180°C. It is very difficult to get a transparent to work properly on terracotta without using leaded frits, we are developing an unleaded transparent for terracotta and will hopefully be available to buy soon. Hope this helps!
Scarva Team
will this glaze be alright if I fire to 1185C (5 degrees over max) or should I use Scarva GZ2150 alternatively if I want to fire over 1180?
Jaleel from Kuwait
Yes firing to 1185oC will work fine, hope this helps.
Scarva Team
Can this glaze be used on ES20?
Donna from United Kingdom
Hi, it's very likely this glaze will craze. The best glaze to use would be SCD-02 Frostbite (Clear) fired to cone 6. Hope this helps!
Scarva Team
Hi!!!
What levels of calcium, magnesia, and boron does it have? High, médium, low…
Does it keep the colors stable using Mason stains?
Thank you very much.
Aidi from Spain - (MAINLAND ONLY)
Hi there, all levels would be medium. Yes, it would keep them stable.
Scarva Team
Hi
What clear glaze would you recommend for white firing clay using a microwave kiln please?
Totally new to the hobby.
Thank you!
Mel from United Kingdom
You should be able to use any earthenware glaze so our GZ2108 Earthenware transparent would be ideal, here is a link for you:
https://www.scarva.com/en/Scarva-GZ2108-Zinc-Free-Multi-Purpose-Leadless-Earthenware-Transparent/m-222.aspx
Scarva Team
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