Keramull KM 250
Keratech

Monday 12 September 2016

TECNARGILLA 2016

Wednesday 2 December 2015

Keratech on «Il Sole 24 Ore»

Keramull KM 250

Greatly versatile roller and one of the most used for its quality-price ratio.

The good mechanical characteristics together with a low vitreous phase in its compostion, allow the use of KM 250 in any zone of the kiln.

Mineralogical Composition
  • Corundum
  • Mullite
  • Zirconium
Al₂O₃ Content

77%

Bulk Density

2.60 g/cm3

Apparent Porosity

22.5%

Water Absorption

10%

M.O.E. 20°

> 85 GPa

Thermal Expansion Coefficient

4.9*10-6 K-1

Application
  • White and red body, single-fired tiles
  • Grès porcelain stoneware

Notes:

Particularly recommended in the event of medium/high loads.  It has a good resistance against chemical and Thermal stresses.

XXL:

This type of rollers can be produced longer than 5000 mm and with double coaxial grinding.

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