Product Name: Alumina Ceramic Part Ignition Needle Model NO.: RY-CP-0022 Refractoriness (?): 1580< Refractoriness< 1770 Feature: Long Time Materials, Instant Materials Type: Heat-Resistant Material Shape: Plate Material: Alumina Ceramic Max Working Temperature: 1600c Thermal Shock Resistance: 180-220t Special: Ceramic Crucible Part Product: Alumina Parts Name: Machine Alumina Ceramic Part Raw Material: 60-99.7% Alumina Ceramic Item: Alumina Ceramics Part Trademark: RY Transport Package: Wooden Case or Wooden Pallet Specification: According to customer request Origin: China HS Code: 6909190000 Product Description

Alumina Ceramic part Ignition Needle
 

alumina irregular ceramic parts

Item		Unit	Steatite ceramic	95 Al2O3	96 Al2O3
Physical Characteristics	Bulk density	g/cm3	2.7	3.6	3.6
	Water absorption	%	0	0	0
		Mpa	145	320	340
Mechanical Characteristics	Flexural strength
	Hardness Vickers	Gpa	5.7	12.2	13.5
	Elastic modulus	Gpa	120	280	320
	Poisson's ratio	-	0.21	0.22	0.23
Thermal Characteristics	Linear expansion coefficient	(20-5000C) 10-6/0C	7.9	7.1	7.2
	Thermal conductivity	w/(m.k)	2.5	16	24
	Specific Heat	*10-3J/(kg*K)	0.75	0.78	0.78
Electrical Characteristics	Dielectric constant(1MHZ)	-	6.2	9	9.4
	Dielectric loss angle	*10-4	18	15	5
	Dielectric strength	*106V/m	18	12	15