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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.
Reference?index?of?washed?kaolin
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Iterm | Whiteness(.) | Moisture(%) | Sio2(%) | Al2O3(%) | Fe2O3(%) | TiO2(%) |
Parameter | >=90 | 4.5-4.7 | 48-52 | 31-35 | <=0.9 | 0.2823 |
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Remark:product’s'?fineness?may?base?on?client's?requirements ?
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Reference?index?of?calcined?kaolin ??
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Iterm | Whiteness(.) | Moisture(%) | Sio2(%) | Al2O3(%) | Fe2O3(%) | K2O(%) |
Parameter | >=93 | 0.073 | 55.37 | 42.84 | 0.051 | 0.282 |
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Remark:product’s'?fineness?may?base?on?client's?requirements?? ?
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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