Kaolin New Zealand (55.12 lb bag)

SKU
KAONEWZEALAND
$5.22 Per Pound
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Kaolin New Zealand Halloysite

From New Zealand China Clays, for use in highest quality tableware where exceptional whiteness and translucency are demanded. Extremely low Fe2O3 & TiO2

Halloysite is an industrial mineral that is part of the kaolinite group. Like kaolin, halloysite is essentially composed of alumina-silicates, however it has a hollow tubular crystal structure, which is markedly different from the booklet or platelet crystal structure of kaolin.

halloysite products are processed to provide a high level of consistency that customers can depend on. The key properties offered by halloysite include:

  • Brilliant whiteness
  • High translucency
  • Reduction of fired sag
  • Low iron and titania

(55.12 lb bag)

Quantity1006.78 OR
KAOLIN FROM NEW ZEALAND
Minimum order quantity is 10 lbs. Very white kaolin used to make frost porcelain.

Halloysite is an industrial mineral that is part of the kaolinite group. Like kaolin, halloysite is essentially composed of alumina-silicates, however it has a hollow tubular crystal structure, which is markedly different from the booklet or platelet crystal structure of kaolin.

A typical chemical analysis is: 

  • Loss on Ignition   13.8
  • SiO²      50.4
  • Al²O³     35.5
  • Fe²O³     .25
  • TiO²     .05
  • CaO   Trace
  • MgO   Trace
  • K²O   Trace
  • Na²O   Trace

GRIT.  . . . . .Less than 0.10 per cent on a 240 mesh BSS Screen for dispersed solution.
COLOUR. . . . . . . . Brightness typically 98.9 L* as measeured by a Minolta CR300 Colorimeter using D65 Light source..  Fired at 1280°C
pH OF AQUEOUS SLURRY AT 20 PER CENT SOLIDS. . . . 3.5 - 4.5
SPECIFIC GRAVITY . . . . . . . .2.55
FLUORIDE ION . . . . Less than 0.01% as F¯ (B.C.R.A.)
CATION EXCHANGE CAPACITY . . . . . . . . .Approximately 10 milli equivalents  100 gms of Clay
SURFACE AREA. . . . .Approximately 20 m²/gm
DISPERSIBILITY..........For ceramic applications the clay needs to be either ball milled or blunged under high shear.

" Every precaution is taken in production to ensure the clays conform to the above data but as the products are based on naturally occuring raw materials, minor variations may occur."



Warning WARNING: This product can expose you to chemicals including Silica, crystalline (airborne particles of respirable size), which are known to the State of California to cause cancer.  For more information go to www.P65Warnings.ca.gov.