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Unshaped Refractories:------Alumina-Magnesia Castable Refractories

Quality Bauxite-spinel Alumina-magnesia Crundum-spinel Crundum-spinel Alumina-magnesia Crundum-Spinel Code GD-AM179 GD-AM169 GD-AM185A GD-AM185B GD-AM185C GD-AM181 Refractoriness° C ≥1790 ≥1690 ≥1850 ≥1850 ≥1850 ≥1810 Properties Normal Normal Normal Normal Normal Normal Bulk Density(g/cm3)110° C×24h ≥2.75 ≥2.70 ≥3.10 ≥3.05 ≥3.20 ≥2.90 Modulus of rupture(MPa) 110° C×24h ≥8.0 ≥7 ≥6 ≥8 ≥6 ≥4 1000° C×3h - - - ≥10 - 6.0 1500° C×3h ≥14 ≥10 ≥8 ≥15 ≥8 ≥12 Cold crushing strength(MPa) 110° C×24h ≥30 ≥25 ≥35 ≥40 ≥35 ≥40 1000° C×3h - - - ≥80 - - 1500° C×3h ≥55 ≥45 ≥60 ≥90 ≥60 ≥80 Permanent linear change(%) 1000° C×3h - - - - - - 1500° C×3h 0～+1.5 0～-2.0 0～+1.0 0～+1.5 0～+1.5 0～+1.0 Chemical analysis(%) Al2O3 ≥60 ≥70 ≥90 ≥90 ≥88 ≥70 MgO 14~20 ≥12 ≥4 ≥4 ≥5 ≥14 SiO2 ≤15 ≤15 ≤0.6 ≤1.2 ≤2 ≤3 Additive water(casting)(%) 6-7 Additive water glass 5.0-5.5 4.8-5.3 4-5 6.5-7.0 Application area Working lining for steel ladle Working lining for steel ladle The wall for steel ladle,Snorkel(RH) The impacting zone,well for steel ladle Working lining for steel ladle Snorkel(RH)

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Company：KaiFeng GaoDa New Type Refractory Material Factory

Address:West of XiaoWangTun ZhenBian Road KaiFeng City, HeNan Province,China

Postalcode:475003

URL: http://www.gdxxnh.com

E-mail:kfgd@gdxxnh.com

Fax:(86)-378-3922186 Tel:(86)-378-3922687 Mobile:13703786552

Greenwood Impex Inc.

18125 Camino Bello,#3 Rowland Heights,CA 91748

Fax:(1)-530-734-2238 Tel:(1)-626-810-3656

E-mail:USA@gdxxnh.com