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Chemical Composition: 99 ceramic
Material: alumina ceramic
Shape: cyclo
Application: valve and seal
Brand Name: ROCKMAN
Place of Origin: China (Mainland)

Specifications

the following example is for you reference.
99 alumina ceramics seal ring ball valve ceramic

Main Advantages:

  Company Strong Strength
1, Our company has strong strength, strong research and development capabilities, and possesses talents in materials research, product development, design, manufacturing, quality management, etc. to create quality products.
High-precision Production Equipment
2, We have high-precision production equipment and testing equipment, which can be customized according to the drawings and specific requirements provided by customers. the performance of the products is up to the European standard. the precision can provide a tolerance range of 2um (0.002m); the roughness value can reach Ra 0.01 -0.02
Import Raw Materials
Dimensional accuracyUp to 0.001mm
FinishUp to mirror
ConcentricityUp to 0.003mm
ParallelismUp to 0.002mm
Straight slotThe narrowest machinable groove width is 0.1100mm
Inner hole toleranceMinimum processing 0.005mm
Thickness dimensionMinimum processing to 0.02mm
ThreadMinimum machineable internal thread m2, external thread is not limited
CylindricityUp to 0.004mm
Linear toleranceUp to 0.001mm
Minimum apertureMinimum processing 0.07mm

3, Our raw materials are imported high-purity raw materials, all imported ceramic raw materials, some raw materials from the domestic market, after strict checks and quality certification to meet the lower budget requirements of some customers, through isostatic pressing, dry pressing, film injection Forming in other ways to ensure product stability and reliability, reduce dimensional deviation, improve mechanical strength and acid and alkali resistance
Good after -sales Service
4, Provide comprehensive pre-sale, in-sale, and after-sales support, respond quickly to problems arising during the use of the product, assist users in solving problems in a short period of time, and regularly conduct technical return visits to ensure continuous product stability and unhindered communicat


Technical details:



95%Al2O3  95%Al2O3 95%Al2O3 
Operating Limits Units 95%Al2O3 Alumina Ceramic 95%Al2O3 Alumina Ceramic 95%Al2O53Alumina Ceramic

Al2O3 Al2O4 Al2O5
the  main chemical ingredient

g/cm 6 7 8
Volume Density

HRA 83 84 85
Rohs Hardness

% 0 1 2
Water Parosity
(20) Mpa(psi*10) 358(52) 550 550
Compressive Strength

Mpa(psi*10) 2068(300) 2600(377) 2600(377)
Flexural Strength

Mpa.M3/2 68 69 610
Fracture Toughness

1300 1301 1302
Maximum Temperature
(TC) 360 361 362
Thermal shock Resistance

/ 9.5*10-6 9.5*10-7 9.5*10-8
Coefficient of Heat Expansion
(20) Cm  10 2501 2502
Resistivity

Dielectricity constant

Dielectricity strength

Coefficient of thermal Conductivity

  

 

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