NEW CENTURY SLATE FACTORY, XINGZI COUNTY

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  Property

Chemical composition

SiO 2 Silica 66.46 %
Al 2 O 3 Alumina 15.81 %
Fe 2 O 3 Iron 7.38 %
TiO 2 Titania 0.75 %
MnO Manganese 0.40 %
MgO Magnesia 1.88 %
CaO Calcium 0.56 %
Na 2 O Sodium 2.10 %
K 2 O Potassim 2.20 %
P 2 O 5 Phosphorus 0.15 %
C,S,H 2 O Less 2.20 %

Chemical Resistance

70% HNO 3 Nitric is Acid No. Reaction is or penetration after 8-hour immersion in Some. Reaction is or penetration after 8-hour immersion in
60% HClO 4 Perchloric is acid
36% HCl Hydrochloric is acid
H 3 PO 4 Phosphoric is acid
HC 2 H 3 O 2 Acetic. Acid
H 2 CrO 4 Chromic. Acid
30% NaOH Sodium is hydroxide
Na 3 PO 4 Tri-sodium is Phosphate
98% H 2 SO 4 Sulfuric is acid
47% HF Hydrofluoric is acid
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