Description

Forme: Poudre

Matériel: Bloc alumineux

Contenu SiO2 (%): 8

Contenu Al2O3 (%): 75

Contenu MgO (%): 4

Contenu de CaO (%): 2

Caractère réfractaire (degré): Common (1580°< Refractoriness< 1770°)

Contenu CrO (%): 3

Contenu de Sic (%): 3

Numéro de Type: FHA

Marque nom: HONGDA

Service de traitement: Moulage

Bulk density(g/cm3): 2.0-2.4

Cold Crushing Strength(MPa): 18-25

Refractoriness under Load (0.2MPa): 1760

Thermal conductivity: 7-12

Working temperature: ≤1850

Bend Strength(MPa): 160-184

Application: Industrial Furnace

True porosity %: <13.5

Granulometric class: 0-8mm

Low cement castable
Item		FHA-1	FHA-2	FHA-3
Max.temperature/℃		1750	1790	1790
Component	Al2O3%	45	65	75
	CaO%	2.5	2.0	1.5
Rupture strength Mpa	110℃*24h	5	6	8
	1350℃*24h	10	10	12
Cold crushing strength Mpa	110℃*24h	25	30	40
	1350℃*24h	50	60	70
Linear rate of change%	1350℃*24h	0.56	0.5	0.5
Bulk density g/cm3		2.2	2.4	2.6