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Ceramic valve

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Ceramic Dispensing Rod

Materials：Alumina (Al2O3)/ Zirconia(ZrO2) /Si3N4 /SiC ...etc
Sizes：Custom according to the drawings
Delivery times：2 -25 days(depends on the quantity)
Precision：Ra 0.1um tolerance: 0.001mm... etc
Features：Heat resistance / Wear resistance / High purity / Refractory / High Corrosion / Good Insulation
Customized：Can be custom for special sizes and shapes
1. Factory price and shipment within 24 hours In stocks
2. MOQ:1qty
3. Payment Term: PayPal; T/T; L/C etc.
4. Shipment: by sea by air by courier by post etc.

Free quotes notice:

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Ceramic Dispensing Rod

Ceramic dispensing rod is Ceramic dispensing rod is composed of advanced Ceramic materials such as zirconia and alumina that have been shaped, polished, sintered and tested for accuracy.

Mingrui production of Ceramic dispensing rod after more than 500,000 switching operations can still be smooth and labor-saving operation, durable use.Ceramic stem aging resistance, wear resistance, no maintenance, to ensure the stability of operation, maintenance costs and labor intensity and so on.At the same time, aging and wear resistance also makes the service life of ceramic stem is far beyond the service life of other stem.

Manufacturing precision:
Ceramic dispensing rod has a high precision, high surface smoothness and good self-lubricating property of zirconia ceramics after grinding with the seat. Ceramic dispensing rod can achieve good sealing performance, completely changing the defects of metal hard seal valve such as easy leakage, large torque and corrosion resistance of sealing surface.Precision machining dimension can be up to + / - 0.001mm, minimum hole diameter can be machined 0.07mm, inner hole tolerance can be machined 0.005mm, cylindricity can be up to 0.004mm.

Materials parameter:

Property	Alumina	Property	Zirconia
Bulk density(g/cm3)	3.85-3.93	The density (g/cm3)	6.05
Hardness(HRA≥)	86	Bibulous rate(%)	0
Bending strength（Mpa≥）	300	Thermal expansion coefficient(10-6 /k)	10.5
Maximum service temperature（℃）	1500	Young's modulus of elasticity(Gpa)	210
Linear expansion coefficient（×10-6/℃）	7.15-7.67	Poisson's ratio(/)	0.3
Dielectric constant（εr(20℃,1MHz)）	9.21	Hardness (MPa)	1200
Dielectric loss（tanδ×10-4,1MHz）	2.5	Bending strength (MPa)	950
Volume resistivity（Ω·cm(100℃)）	9.2*1016	The bending strength (MPa)	210
The compressive strength（Mpa≥）	2500	Compressive strength (MPa)	2000
Flexural strength（Mpa≥）	200	Fracture toughness(Mpa.m1/2)	10
Modulus of elasticity（Gpa）	300	Thermal conductivity (W/m.k)	2
Poisson's ratio	0.2	Specific resistivity(Ω.mm2/m)	＞1015
Thermal conductivity Coefficient(W/m·K(20℃))	20	Maximum service temperature(℃)	1350
Dc breakdown strength	43.7	Acid and alkali corrosion resistance(/)	strength
Tensile seal strength(Mpa)	104.4

Dimensional accuracy	Up to 0.001mm
Smoothness	Highest possible mirror
Concentricity	Up to 0.003mm
Parallelism	Up to 0.002mm
The inner hole tolerance	The minimum 0.005mm
Straight flute	The narrowest 0.1x100mm
The thickness of the size	Minimum to 0.02mm
The screw thread	Minimum internal thread M2
Cylindricity	Up to 0.004mm
The linear tolerance	Up to 0.001mm
The smallest aperture	The minimum 0.07mm
Visual quality: 1. No cracks, no dark dots, no contamination and sharp edges; 2. Evenly distributed glaze with very smooth surface

Properties :

1. High Hardness wear resistance
2. High precision
3. Good mechanical strength
4. High temperature and chemical resistance
5. Electric insulation
6. Low thermal expansion
7. Smooth surface finish
8. Thermal Shock Resistance

Material :

1. Alumina ceramic
2. Zirconia ceramic
3. Silicone carbide
4. Silicone nitride
Lead-time: 20-30 days for mass production, 7-15 days for samples.

Ceramic Dispensing Rod

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