2. Neutral Dry Vibrate (DV) Lining Serial ：DRA-Z

This serial products are mainly composed of fused / sintered alumina and magnesia. They belong to rich-alumina spinel type applicable for the fusing of all types of carbon steel, manganese steel, alloy iron & steel, stainless and high-speed tool steels. Suitable temperatures range is 1550℃-1820℃ for different grades.

Following grades are listed according to each grade’s applicable temperature:

Item(DRA-Z）				Z66		Z77		Z82		Z87			Z89			Z89C				Z86	Z97				Z85S		Z85P
Chemcomp（%）	Al2O3		＞80		＞82				＞90		＞90			＞88		＞88			＞88			＞88		＞90			＞90
Physical properties	size（mm）		0-7		0-7				0-5		0-5			0-6		0-6			0-7			0-7		0-7			0-7
	Suitable temp（℃）		1550-1630		1580-1650				1550-1660		1540-1630			1520-1670		1600-1750			1600-1720			1620-1720		1670-1740			1700-1820
	BD (g/cm3)		2.65-2.80		2.90-3.10				2.80-3.00		2.80-3.00			2.80-3.00			2.80-3.00		2.90-3.10			2.90-3.10		2.90-3.10				2.90-3.10
Installation			Dry ram&vibrate with form melt-in method. For details, see our company’s  “Installation Manual”.
Suitable conditions and features		Forcarbon&alloy steels with high performance -price ratio.					Better suit forstainlesssteel, high alloys ,high chromium&highmanganese iron.					For carbon,stainless & high alloy steels, better suit for discontinuous fusing.			Excellentcorrosion resistance for   carbon,stainless steel.Esp.highalloys on harsh  rusty scrap fusing condition.			For all types steels&alloys.Esp. suit for  carbon steel with strong corrosion resistance.					For  carbon,stainless steel on high temp&discontinuous fusing.			For all steels& alloys fusing on extremely high temp. with highest temp. up to 1820 ℃