HuaMing Alumina Technology Ltd., China » Switzerland http://www.alumina-ball.com/blog Alumina balls, alumina grinding media ball, mill linings alumina brick & inert alumina ball tower packing Wed, 10 Jun 2009 15:05:13 +0000 http://wordpress.org/?v=2.9.2 en hourly 1 Inert ceramic balls inquiry from Switzerland http://www.alumina-ball.com/blog/2009/02/27/inert-ceramic-balls-inquiry-from-switzerland/ http://www.alumina-ball.com/blog/2009/02/27/inert-ceramic-balls-inquiry-from-switzerland/#comments Fri, 27 Feb 2009 06:17:24 +0000 andy http://www.alumina-ball.com/blog/?p=248 Inert  ceramic balls from Switzerland
Dear Sirs,
herewith we ask you to submit us your quotation for inert ceramic balls as follows:
ceramic balls (3mm) 4,5 m3;
ceramic balls (6mm) 11,5 m3;
ceramic balls (12 mm) 6 m3;
ceramic balls (19 mm) 56 m3.
Description: required ceramic balls must:

  • be of combined structure (not less than 90% of aluminium oxide (Al2O3) and silicon dioxide(SiO2). Thus the max silicon dioxide (SiO2) content shall not exceed 80 % of SiO2/Al2O3 weight ratio;
  • be tested for water adsorption according to ASTM C-830, thus adsorbed water quantity should not exceed – 0,9 % mass;
  • be manufactured from the material for operating temperatures up to 980°C;
  • be manufactured in a ball shape, thus the ratio of the max ball diameter to the min ball diameter shall not exceed 1,2;
  • have bulk density not less than 1360 kg/m3;
  • have high scuffing and crushing proofness, fracture strength;
  • be transported and stored in leakproof barrels and by transportation ceramic balls must be put into polypropylene thick-walled bag inside a tank;
  • before loading into a barrel balls must be sifted for removal of broken pieces, breakage and products of a smaller and larger DN.

Please state your EXW price, delivery and payments terms
Best regards,
Inquiry prepared and provided by HuaMing Alumina, China

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