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Ceramics roller

Ceramic roller is a kind of material with alumina (Al2O3) as the main body, which is suitable for roller kilns and electric furnaces for producing wall tiles, floor tiles and household ceramics. It has excellent bending strength at high temperature, and has extremely reliable thermal stability and excellent thermal shock resistance for products fired under 1400 ℃. Alumina ceramic roller is an essential part of various modern high temperature roller kilns, which plays a role of carrying and driving products in high temperature firing.

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Ceramic products

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Description

Index item	Specification standard
Index item	SR969	SR979	SR989	SR999
Mass fraction,%
Al₂O₃, ＞	72	76	81	85
Maximun working temperature, ^оС	1220	1280	1350	1450
Bending strength, Mpa, ＞	40	45	51	58
Water absorption,% , ＜	11	9	8.5	7.5
Thermal stability	Excellent	Excellent	Excellent	Excellent
Refractoriness, ^оС ,＞	1700	1750	1800	1860
Usage	Used for roller kilns and electric furnaces for producing wall tiles, floor tiles and household ceramics.

Diameter, мм	length, мм	Diameter, мм	Length, мм
65-80	3000-5000	40	2000-3500
60	2700-5000	36	2000-3300
55	2700-5000	35	2000-3200
50	2400-4600	33.7	1800-3100
45	2200-3800	32	1800-3100
42	2200-3800	20-31	1600-3100