高嶺土
高嶺土為一種從高嶺石礦(kaolinite)取出的含水鋁矽酸鹽礦物。
高嶺土具有化學惰性、低膨脹收縮性，適用於廣泛的工業用途如：陶瓷、造紙、玻璃纖維、填料、塗料、電纜與塑料等。
水洗高嶺土：OG-71, OG-60
OG系列高嶺土產於中國，組成包含了管狀埃落石(halloysite)、片狀高嶺石(kaolinite)以及少量的伊利石(Illite)。
此礦區的特色為低鐵、低鈦含量，因此極為適合用於陶瓷業，特別是日用瓷器。
↑OG系列高嶺土的TEM顯示其為埃落石與高嶺石的混合物。
(refer. I. R. WILSON. Clay Minerals (2004). Kaolin and Halloysite Deposits of China.)
- 水洗高嶺土規格
|
Model |
Kaolin OG-71 |
Kaolin OG-60 |
|
SiO2 |
51.72 |
- |
|
Al2O3 |
35.41 |
36.54 |
|
Fe2O3 |
0.37 |
0.40 |
|
TiO2 |
0.02 |
- |
|
CaO |
0.20 |
- |
|
MgO |
0.21 |
- |
|
Na2O |
0.03 |
- |
|
K2O |
0.11 |
- |
|
L.O.I |
11.83 |
- |
|
Moisture |
24%±1% |
|
|
Application |
fine porcelain, tableware, sanitary ware |
|
|
Origin |
China |
|
|
Particle Size -2μm passing |
-2μm: ≥69.00, <74.00 |
-2μm: ≥60%, <65% |
|
Firing Whiteness 1280°C |
≥89, <91 |
≥88.5, <90.5 |
粉末高嶺土：K99-C, K99-P, K99-F
K99 系列高嶺土產於西澳，具有極高的白度與純度，適用於造紙、白瓷、玻璃纖維等用途。
澳洲K99系列高嶺土豐富的儲量，使其在100萬噸/年的產量下可穩定開採100年以上。
↑澳洲K99系列高嶺土礦區。
↑K99系列高嶺土採用露天開採至30米深。
↑K99系列高嶺土的片狀結晶結構。
- 粉末高嶺土規格
|
Model |
Kaolin K99-C |
Kaolin K99-P |
Kaolin K99-F |
|
Form |
Powder (moisture≤1% by weight) |
||
|
Application |
Porcelain, Sanitary ware |
paper, paint |
glass fiber |
|
SiO2 |
46.5 |
47.4 |
46.5 |
|
Al2O3 |
39.6 |
37.8 |
39.6 |
|
Fe2O3 |
0.08 |
0.50 |
0.08 |
|
CaO |
0.00 |
0.02 |
0.00 |
|
MgO |
0.01 |
0.20 |
0.01 |
|
K2O |
0.25 |
1.56 |
0.25 |
|
Na2O |
0.02 |
0.05 |
0.02 |
|
TiO2 |
0.15 |
0.36 |
0.15 |
|
MnO |
0.00 |
0.00 |
0.00 |
|
SO3 |
0.06 |
0.04 |
0.06 |
|
P2O5 |
0.01 |
0.03 |
0.01 |
|
Cl |
<0.01 |
0.35 |
<0.01 |
|
Ig. Loss |
13.2 |
12.0 |
13.2 |
|
pH |
6.1 |
6.8 |
6.1 |
|
ISO Brightness |
88.0 |
87.0 |
>80 |
|
Origin |
Australia |
||
|
Particle Size Distribution |
|||
|
+45μm residue |
0.1% |
0.1% |
0.1% |
|
-20μm passing |
98% |
99% |
98% |
|
-10μm passing |
95% |
- |
95% |
|
-5μm passing |
82% |
- |
82% |
|
-2μm passing |
57% |
66% |
57% |
|
-1μm passing |
36% |
- |
36% |
|
-0.5μm passing |
16% |
- |
16% |
Since the products are based on naturally occurring raw materials, data shown above are for reference only. Slight variation may occur.
