Light weight mullite aggregate Al2O3: 65%min Fe2O3:1.6%max Refractoriness:1750 min Compressive strength :15-17Mpa

Materials	Brand	Main chemical composition	Refractoriness/°C	compressive strength/Mpa
		Al2O3
Mullite foamed	M−1.2	≥65	≥1750	18-20
	M−1.0			15-17
	M−0.8			10-13
high alumina foamed	G−1.2	≥55	≥1700	18-20
	G−1.0			13-15
	G−0.8			8 to 10
Fire clay foamed	N−1.2	≥45	≥1650	13-15
	N−1.0			9-11
	N−0.8			7-8

light weight mullite aggregate