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lowest price from factoryhigh whiteness,high purity
different size
high cover rate
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Kaolin clay powder
Products Instructions:
Kaolin?is?a?aluminiferous?silicate?mineral,?with?the?chemical?composition?Al4(Si4O10)OH6.?It?includes?not?only?Al2O3?but?also?SiO2.?The?appearance?is?muddy,?with?fine?and?smooth?particle?and?looks?like?flour.?Kaolin?has?the?properties?of?high?whiteness,?soft,?easily?dispersed?in?aqueous,?good?plasticity?and?high?adhesion,?excellent?electrical?insulation?properties.?It?also?has?others?physical?and?chemical?properties?such?as?good?antiacid?soluble,?lower?Cation?Exchange?Capacity,?better?fire?resistance.?Therefore,?kaolin?has?become?the?necessary?raw?mineral?materials?of?papermaking,?ceramics,?chemical,?rubber,?coating,?medicine?and?national?defense?etc.
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Application:
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In?paper?coating?operation,?calcined?kaolin?can?replace?titanium?dioxide?or?other?higher-costs?pigment?to?reduce?production?costs,?enhance?the?smoothness,?opacity?and?gloss?of?paper,??improve?paper's?ink?absorption.In?the?coating?industry,?calcined?kaolin?acts?as?a?functional?additive,?providing?excellent?coverage?properties.?It?can?partly?replaces?titanium?dioxide,?not?only?reducing?the?cost?of?paint?but?also?adjusting?the?coating?gloss,?improving?the?mechanical?properties?of?the?film?and?the?anti?floating?and?color?uneven?of?coating?pigments.Meanwhile?it?can?widely?used?in?the?fields?of?high-grade?paint,?ink,?plastic,?rubber,?wire?and?cable,?insulation?materials?etc.
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Specifications
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| Grade Name | SRM-02 | SRM-04 | SRM-06 | SRM-08 | SRM-10 |
|---|---|---|---|---|---|
| Slaking Nature | Very Good | Very Good | Very Good | Very Good | Very Good |
| Moisture (%) | 8%Max | 8%Max | 8%Max | 8%Max | 8%Max |
| Specific Gravity | 2.62 | 2.62 | 2.62 | 2.62 | 2.62 |
| Wet to Dry Shrinkage | 4-5 | 3-4 | 3-4 | 3-4 | 3-4 |
| Wet to Fired Shrinkage | 13-45 | 12-14 | 12-14 | 12-14 | 12-14 |
| Dry M.O.R Kg/Cm2 | 3-4 | 4.5-5.5 | 5-6 | 5-6 | 5-6 |
| Fired M.O.R K/g/Cm2 | 50-52 | 54-55 | 55-57 | 55-57 | 55-57 |
| Grit Content (350#) | 2.0%Max | 1.0%Max | 1.0%Max | 1.0%Max | 1.0%Max |
| Firing Color | Pinkish Cream | Pinkish Cream | Cream | Cream White | Pure White |
| Firing Whiteness(%) | 82+-1 | 84+-1 | 86+-1 | 89+-1 | 90+-1 |
| Electrolyte Demand | 1.5 | N/A | N/A | N/A | N/A |
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| %Sio2 | 45-47 | 45-47 | 44-36 | 44-46 | 43-45 |
|---|---|---|---|---|---|
| %AI2o3 | 35-36 | 35-36 | 36-37 | 36-38 | 37-38 |
| %Fe2o3 | 1.5% | 1.3% | 1.2% | 1.0% | 0.8% |
| %Tio2 | 1.5% | 1.0% | 0.8% | 0.6% | 0.5% |
| %Cao | 0.7% | 0.7% | 0.6% | 0.5% | 0.3% |
| %Mgo | 0.5% | 0.5% | 0.5% | 0.4% | 0.3% |
| %Na2o | 0.4% | 0.4% | 0.4% | 0.3% | 0.2% |
| %K2o | 0.3% | 0.3% | 0.3% | 0.3% | 0.1% |
| %L.O.I | 11-13 | 12-14 | 12-14 | 12-14 | 13-4 |
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Remark:product’s'?fineness?may?base?on?client's?requirements
