Ceramic supplies, clay, tools, glazes and equipment from a family-run firm in Stoke-on-Trent with over 90 years experience
Exc VAT Inc VAT
Quality Reputation Worldwide
Supporting Potters Since 1932
Award-Winning Training
Thousands of Products Available Online

Your Basket

No Items Selected Shop now

Quality Reputation Worldwide
Potclays Materials

Magnesium Carbonate (Magnesite)

3441
Please choose an option below:
£8.86 each (£17.72 per kg)
Saving on list price: 0%
£7.38 each (£14.76 per kg)
Saving on list price: 0%
Exc VAT Inc VAT
*The price has been rounded to the nearest pence
  • Delivery notice

    Ships Worldwide

    Delivery Available

  • Returns notice

    Returns Accepted

    Returns Accepted

About

3441 Magnesium Carbonate (Magnesite)

  • Also known as magnesite.  A natural source of 'magnesia' (MgO)in glazes.
  • Secondary high temperature flux producing a `buttery' or satin matt surface (up to 10%).
  • Improves craze resistance.
  • Excessive amounts may cause crawling and pinholing. 
  • Granular form.

Typical data

MgCO3:->93.6%
MgO:-40.0 – 43.5%
Ca:-<0.4%
Fe:-<200ppm
SO4:-<0.3%
Cl:-<700ppm
As:->2ppm
Heavy metals:-<20ppm

Bulk density:-100g/l
Soluble substances:->1.0%
Insoluble in acid:- <0.05

Collections

More Info

Delivery & Returns Information

[Ships Worldwide Delivery Note]

Returns Accepted
  • Excellent