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Jinyu Kaolin Technology Jiangsu Co., Ltd. 

HOME 》 P 》 Metakaolin 》 Metakaolin with high activity for cement concrete 》 GB-HRM98
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GB-HRM98

GB-HRM98

High Pozzolan Active Metakaolin

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Product Description

High Pozzolan Active Metakaolin

1. Benefits and Application
GB-HRM is a manufactured pozzolanic mineral admixture that significantly enhances many performance characteristics of cement-based mortars,concretes and related products. GB-HRM,derived from purified kaolin clay,is a white,amorphous,alumino-silicate,which reacts aggressively with calcium hydroxide to form compounds with cementitious value.Used at 5-15% replacement of cement by weight,GB-HRM will be favorable for increasing strength and reduce permeability.Meanwhile,it will also effectively reduce efflorescence and degradations caused by alkali-silica reaction(ASR) in concrete. Description:A white,manufactured,amorphous alumino-silicate with excellent physical,chemical and pozzolanic properties.Conform to ASTM C-618,Class N Specifications for Natural And Calcined Pozzolans.

2. Typical Physical Properties
Item GB-HRM98
Brightness(T457) 86%min
AverAverage particle Size (micron) 1.2max
Lime reaction value （MgCa(OH)/g 1300min
Pozzolanic activity index (28days) % 120min
The specific surface area (m2/g) 22min
pH 5.5-8
Moisture (%) 0.5max
L.O.I. 1.0%max
Water requirement ratio (%) 115max
Bulk density: Loose/Tamped (kg/m3) 250/400

3. Typical Chemical Properties

SiO2(%)
 Al2O3(%)
 Fe2O3(%)
 TiO2(%)
 CaO(%)
 MgO(%)
 CuO(%)
 K2O(%)
 Na2O(%)
 MnO(%)
52+/-2
 45+/-2
 0.50max
 1.5max
 0.4max
 0.2max
 0.004max
 0.05max
 0.15max
 0.004max

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