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Scarva RM1072 Glaze Brush-on Medium
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Mix brush-on medium into powdered glazes to produce brush on glazes.
This special formulation works with any glaze slowing the drying time in order to produce an even coating. Can also be used to produce brush-on underglazes.
Mixing ratios:
• FOR GLAZES: Mix 700mls of brush-on medium to 1000grms of powdered glaze
• FOR UNDERGLAZES: Mix one part brush-on medium to one part underglaze powder.
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Excellent!
I'm new to pottery, and have been trying to use many different brands of underglaze on my pottery, and not having much luck, I've been using water up to now, and the results were horrific! I decided to try this medium for the glaze and underglaze, and wow! what a huge difference it has made, the colour sticks to the body and doesn't look weak and thin as it has with water. I've learned my lesson, use the brush on medium for everything!
Angus
United Kingdom
10 May 2020
Helpful?
(49)
(0)
Excellent product
My Terracolor dipping glazes were too runny and causing 'fingers' to run on fired pots, so used brush on medium mixed with glaze to produce brush on glazes instead.This worked extremely well and have had some great results.Thank you Scarva.
sue
United Kingdom
25 July 2016
Helpful?
(68)
(1)
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How much does this make up to please, as a brush on glaze.?
Frances from United Kingdom
Simply mix 700mls of brush-on medium to 1000grams of powdered glaze to create 1litre of brush on glaze.
Scarva Team
Once mixed, can the prepared glaze be stored?
Chris from United Kingdom
Yes no problem, just keep it air tight, hope this helps.
Scarva Team
Does mixing the glaze brush on medium with the nano powdered stains or indeed mason stains produce an underglaze like paint? Can this mix be painted onto bisqueware? Thanks
rhiannon from United Kingdom
Firstly you will have to make the stain into an underglaze by adding an underglaze flux, then it is ready to add medium to.
Scarva Team
You mention that this medium can also be used to mix underglazes, does this mean that any underglaze design painted onto bisque, would come out glossy without a need for further coverage?
Irene from United Kingdom
No this medium only suspends the underglaze powder and provides good coverage when applying to bisque. It makes the powder into a brushable underglaze. It is not a glaze.
Scarva Team
Can I use this medium to make a smooth clay slip to brush on?
I have made white slip from my dry clay trimmings mixed with water what ratio should I use to make the slip smooth?
Sharon from United Kingdom
You should not need to use anything, you could just pass the clay slip through a wide mesh sieve to remove any lumps but this will be enough to make it smooth.
Scarva Team
How much of the medium should I add to 1ltr of liquid glaze? Does it affect the thickness of the glaze so that I have to readjust the density?
Maria from Greece
Use around 700mls of medium to 1kg of powder glaze then pass through a fine mesh sieve.
Scarva Team
How many coats of glaze would you need to brush on when using this medium?
Sophie from United Kingdom
Usually between 2-3 layers.
Scarva Team
I have some liquid transparent dipping glaze, can I add some glaze medium to it to allow me to use it as a brush on glaze?
Thanks
Val from United Kingdom
It is not ideal to be honest because it would still be to thin to brush, usually you would just add the medium to powdered glaze to create a brush on glaze.
Scarva Team
Do you still need to sieve the resulting glaze once you have added the medium to glaze powder? And if so, how many times and which grade sieve(s)? Thanks so much!
Becky from United Kingdom
Yes please sieve the glaze once added with the powder. A 100 mesh is ideal.
Scarva Team
Did this Medium replace the Scarva Glaze Medium RM1072?
Michelle from Ireland
Hi, this product and RM1072 are one and the same. Hope this helps!
Scarva Team
I halved the ratios (350ml medium to 500g powder) to do a test run but it’s incredibly thick - like treacle. What consistency should it be? Thanks
Rebecca from United Kingdom
You can add more medium if you wish or thin with a little water. Ideally the consistency should be of thin yogurt.
Scarva Team
is there a significant difference between this (RM1072) & RM1074? Could they perhaps be interchangeable?
Thank you
Gill from United Kingdom
They are very similar so yes can be interchangeable.
Scarva Team
Hello, can I add this medium to cobalt oxide powder in order to be able to draw patterns on stoneware and have this nice blue when fired?
Penelope from United Kingdom
Yes this is ideal for this application.
Scarva Team
If I have a glaze ratio of 800ml-1000gms should I still follow your medium ratio of 700ml-1000gms? Or somewhere in between :)
Rachel from United Kingdom
I would recommend starting with 700mls and add more in needed, it is easier to add to a glaze than takeaway.
Scarva Team
If I add a stain powder to this, will the glaze be matte or glossy?
Kiki from United Kingdom
This is not a glaze this product is added to powdered glaze to create a brushable glaze. You would be best adding stain to a glaze like our GZ2150 Glossy transparent.
Scarva Team
I have glazes that have become too thick over time, can I use glaze medium to make them runnier? If so do I do it by eye or do I need to be more scientific?
Arwen from United Kingdom
Hi there, yes, absolutely - you can just do it by eye!
Scarva Team
Hi can I use this and clear stoneware powder glaze to make brushable stoneware glaze? I.e. can the medium be fired to stoneware temperature given the powdered glaze is for stoneware? Thanks in advance
Kirsi salo from Ireland
Hi, yes. The medium is just a carrier for the glaze, it allows the glaze to be brushed on in a smooth coat. The medium burns away in the firing and will not affect the final fired result. Hope this helps!
Scarva Team
What does a 50/50 mixture of this medium do to the firing and soak times of the other powder glaze? Does it act as a flux?
valerie from United Kingdom
Mix brush-on medium into powdered glazes to produce brush on glazes.
This special formulation works with any glaze slowing the drying time in order to produce an even coating. Can also be used to produce brush-on underglazes.
It will not affect firing temperatures as it will burn away. There are no materials in it which affect temperature of glazes.
Scarva Team
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