Name: high purity 99.5% Al2O3 Corundum ceramic rod
Brand: DKJL
Availability: InStock

Product Details

high purity 99.5% Al2O3 Corundum ceramic rod

Product Description

high purity 99.5% Al2O3 Corundum ceramic rod

Ceramic roller is hi-tech advanced ceramic products made with patented cool isostatic pressing technique and over 50 years of professional manufacturing experience.

Ceramic rollers are widely used in roller kilns for firing wall tile, floor tile, table ware, sitall tile, magnetic materials and electronic ceramic, etc.

Item		Unit	High corundum	Corundum	High Purity Alumina
Chemical Composition	Al₂O₃	%	99.7	99.3	85
Chemical Composition	SiO₂	%	0.1
Density		g/cm³	3.95	3.88	3.2
Water absorption		%	0	0.01	0.2
Compressive Strength		Mpa	450	350	200
20Gas tightness		Torr/L.sec	10^-11	10^-11	10^-11
High-temp.bending		mm	1700 0.2	1600 0.2	1400 0.2
High-temp. bonding			1700 not	1600 not	1400 not
20-1000 Expansion coefficient		mm.10^-6/.m	8.6	8.2	8.2
Thermal conductivity		W/m.k	25	25	25
Breakdown voltage		KV/mm	20	20	15
High-temp. resistance		1000 MΩ	≥0.08	≥0.08	≥0.08
High-temp. resistance		1300 MΩ	≥0.02	≥0.02	≥0.02
20 DC resistance		Ohm/cm	10¹⁴	10¹⁴	10¹⁴
Chill and abrupt heat			1550not cracking six times	1550not cracking six times	1300 not cracking thrice
Max. Service Temp.			1900	1800	1400

Packaging & Shipping

Packaging: standard export carton or as clients requirement;

Shipping: within 20 days or as per your order quantity.