Kaolin

Kaolin is refractory raw material for manufacture of fire-clay bricks.

Technical characteristics

 Rate for grades
  Half-crammed kaolin Plastic kaolin Semiacid kaolin
BLKPS0  BLKPS1
BLKPS2
BLKPS3 BLKP1 BLKP2 BLKPK
Spec. 1514-301-00187032-2011
Mass fraction, %:
Al2O3, minimum
Fe2O3, maximum


40
1,7


39
2,5


35
3,5


28
5,0


32
3,5


23
5,0


18
3,5

Refractoriness, °С, minimum 1750 1730 1710 1670 1670 1610 1580
Relative change of mass by calcination %,maximum 16 16 16 16 15 15 14
Bonding property, Н/мм2, minimum - 16
Water content, %, maximum 24
Lump size, mm, maximum 400