99 Alumina ceramic plunger

  99 Alumina ceramic plunger   1. Ceramic product performance parameter list  

Item	Test Condition	Unit Symbol	95% Al2O3	99% Al2O3	ZrO2	Si3N4
Bulk Density		g/cm3	≥3.6	≥3.7	≥5.8	≥3.2
Acid Resistance	1:9HCl	mg/cm2	≤7	≤0.7
Alkali Resistance	10% NaOH	mg/cm2	≤0.2	≤0.1
Tensile Strength	25°C	Mpa	≥160	≥190	≥320
Flexural Strength	25°C	Mpa	≥280	≥300	≥1000	≥700
Thermal Shock Resistance	The sample in 800±10°C heating furnace heat preservation 30 minutes, removed in a asbestos board, naturally cooled to room temperature, repeat 10 times, no crack and burst phenomenon.
Coefficient of Linear Expansion	20-500°C	1X 10-6/°C	6.5-7.5	6.5-7.5	9.5-10.5	3.1-3.3
	20-800°C	1X 10-6/°C	6.5-8.5	6.5-8.5	9.5-10.5	3.1-3.3
Young's Modulus of Elasticity		Gpa	≥280	≥280	≥210	≥300
Dielectric Loss	1MHz  20°C	1X 10-4	≤4	≤2.5
Dielectric Constan	1MHz  20°C		9-10	9-10.5
Volume Resistivity	100°C	Ωcm	≥1013	≥1013
	300°C	Ωcm	≥1010	≥1010	≥1010	≥1018
	500°C	Ωcm	≥108	≥109
Dc Breakdown Strength	D.C.	Kv/mm	≥18	≥15
Vickers Hardness		Mpa	1600	1650	1200	1600
Fracture Toughness		MPam½	3.8	4.2	10	7
Poisson's Ratio			0.22	0.25	0.3	0.25

    2. AL2O3 performance parameters     3. MgO/Al2O3/SiO2 Performance parameters     4. Talc magnetic Performance parameters  5. More pictures of the production   6. Introduction of the company Our factory located in the scenic taihu coast, 104 State Road Tao is Yixing, the environment, transport facilities. Professional companies porcelain pieces of electronic appliances, textile porcelain pieces, ceramics based films, 95 different porcelain, 99 porcelain, HF porcelain, titanium porcelain. Porcelain with high mechanical strength, hardness large, resistant to wear and tear, with stand high temperatures, chemical resistance, corrosive characteristics of the good. Widely used in machinery, electronics, chemical, textile, metallurgy, construction and aerospace fields. In a market economy situation, enterprises in a spirit of 'truth-seeking, innovative, pioneering, progressive' spirit, relying on a number of research institution, universities technical resources and combine their scientific and humanization of the management system, the stability of a vibrant enterprise teams, as independent R&D and production of special ceramics strong backing, with the input of production equipment, processes updated technological content and quality of products is constantly increasing, according to the needs of users with trustworthy ceramic products.     .... ...  99 Alumina ceramic plunger