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Grirem Advanced Materials Co.,Ltd.(hereinafter referred to as “Grirem”) was founded after an entire restructuring to National Engineering Research Center for Rare Earth Materials(hereinafter referred to as “CREM”) as a joint-stock company in 2001, with Grinm group Co., Ltd. ( previous General Research Institute for Non-ferrous Metals, hereinafter referred to as “GRINM”) as the main sponsor. [More]

Cerium zirconium composite oxide

Item		Specification	comment
main ingredients（wt%）	Ce	20-80	According to the requirements of customers, different main components and different doped elements of cerium zirconium composite oxides are prepared
main ingredients（wt%）	Zr	20-80
Doping elements（wt%）	La	0-15
	Pr	0-15
	Nd	0-15
	Y	0-15
performance index	appearance	Light yellow, brown and other powder
	ignition loss LOI%	<3.00
	Diameter D₅₀	<10μm	Can meet customers’ different granularity requirements
	SA（fresh）	60-130 m²/g	Can meet customers’ different requirements
	SA（1000℃ 4h）	>45 m²/g
	SA（1000℃ 10h）	>30 m²/g
	SA（1100℃ 4h）	>25 m²/g
	OSC（fresh）	>800μmol/g
	OSC（aged）	>600μmol/g
application	For vehicle exhaust catalytic purification, gas catalytic combustion, organic waste gas catalytic purification, etc.

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