Wear-Resistant Alumina Ceramic Disc

• Customization: Available
• Certification: CCC, RoHS, ISO, CE
• Surface Treatment: Polishing
• Model NO.: RY
• Material: Aluimna Ceramic
• Type: Disc
• Transport Package: Standard Carton
• Specification: 11.5-40mm
• Trademark: RY
• Origin: China
• Production Capacity: 5000000 Sets Per Month

Product Description

ceramic valve:

1,90%-95% Alumina Ceramic valve.

2.High intension.

3.Solid-resist,alkali-resistence.

4,Reasonable price.

Specification of the tap ceramic disc:

• OD: 11.5mm---40mm ceramic discs
• The frictional times is 300, 000 to 500, 000
• Rigidity is 84~86 HRA.
• The thickness tolerance is less than 0.05mm, the diameter tolerance is less than 0.05mm.      

Technical Data about tap ceramic disc:

physical analysis sheet for 95%Al2O3:
	Density		g/cm^3	3.6
Substance Characteristic	Water Absorption			O
	Sinter Temperature			1710
Physical Characteristic	Hardness		HV	≥12
	Bending Strength		Mpa	≥310
	compressive strength		Kgf/cm^2	25000
	Elastic Modulus		GPa	300
	fracture toughness		Map.m^3/2	3 to 4
	Max Using Temperature			1450
Thermal Characteristic	Coefficient of Thermal Expansion		1X 10-6/°C	8
	heat-resistant Temperature		T()	220
	Thermal Conductivity		W/m.k(25-300)	24
		20		>1012
	Volume Resistance	100	>.cm	1012-1013
Electric Characteristic		300		>1010
	Dielectric Strength		KV/mm	18
	Dielectric Constant		100MHz(E)	9.5

Main advantage of the tap ceramic disc:

95%Al2O3 ceramic discs,mailly applicated to temperature modulatory valve,conversion valve,modulatory valve of surf and massage bathtub,LPG valves

Good hermetical, compressive resistance,flexual resistance,using longevity will be above 500 thousand times.