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U4

Unit 4g,West Side,Lianchang Bldg 6-8 Huli Avenue Huli District
location Xiamen, China

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Our Products

  1. Pumps, Pumping Machines & Parts 3 Products available
  2. Ores And Minerals 3 Products available
  3. Ceramic & Clay Crafts 2 Products available
  4. PVC, PP & Plastic Products 2 Products available
  5. Bathroom Accessory 1 Products available
  6. Bricks & Construction Materials 1 Products available
  7. Metal & Metal Products 1 Products available
  8. Gymnastics, Sports Equipment & Goods 1 Products available
  9. Mirrors, Glassware & Glass Artware 1 Products available
  10. Others Products 3 Products available

Ores And Minerals

Our offered Product range includes Wear Resistant Alumina Ceramics, Silicon Nitride Ceramics, Ziconia Ceramic, Boron Nitride Ceramic and Technical Ceramics.

Wear Resistant Alumina Ceramics

Wear Resistant Alumina Ceramics
  • Materials Alumina
  • Purity 92%, 95%, 99%
  • Appearance White , Ivory
  • Density 3.6-3.95g/cm3
  • Vickers Hardness 11-14Gpa
  • Flexural Strength 345-380Mpa
  • Compressive Strength 550-3000Mpa
  • Thermal Conductivity 16.7-35W/m.k
  • Max Using Temperature 1500-1700
  • Volume Resistivity >10 14
We offer Wear Resistant alumina Ceramics.Alumina Description Alumina features high hardness and wear resistance, low erosion levels, high temperature resistance, corrosion resistance, and bioinertness. Additionally, it can be highly polished, making it useful for a wide range of applications. Available Grades of Alumina: - 95%-99.9% high purity Alumina- High purity re-crystalized Alumina- Zirconia toughened Alumina (ZTA) Features - High hardness- Wear & abrasion resistant- High compressive strength- High mechanical Strength- Resists strong acid and alkali attack at high temperatures- Excellent electrical insulation properties- High thermal conductivity- Excellent refractory material- Very specific thermal conductive and thermal expansion rates- Low density- Resistant to thermal shock- High dielectric strength- Transparent to microwave radio frequenciesAlumina Applications- Wire and thread guides- Mechanical seals- Seal faces- Valve seats- Machine components- High temperature electrical insulators- High voltage insulators- Electronic components & substrates- Ballistic Armor- Roller & Ball Bearings- Wear resistant linings- Semiconductor parts- Laser cavities- Tap plates- Shot blast nozzles- Knife Sharpeners- Precision shafts and axles in high wear environments
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Silicon Nitride Ceramics

Silicon Nitride Ceramics
  • Material Silicon Nitride
  • Density 3.25 g/cm3
  • Maximum Use Temperature 1000
  • Flexural Strength 880
  • Vickers Hardnes 300
  • Elastic Modulus 300
  • Thermal Conductivity 30 W/m.k
  • Thermal Shock Resistance(20°C): 750
We are offering silicon nitride ceramics: silicon nitride ceramic have the excellent mechanical properties and processability such as high temperature ceramics, corrosion-resistant ceramics, wear-resistant ceramics, absolutely magnetic ceramic insulating ceramics and self-lubricating ceramics, etc. The silicon nitride ceramic shaft, nitrogen silicon ceramic sleeve which are widely used in magnetic drive pumps, chemical pumps, mortar pumps, mud pumps, piston pumps, etc. product description key silicon nitride (si3n4) rod characteristics: good thermal shock resistancecreep resistancelow densityhigh fracture toughnesshigh hardness and wear resistance electrical resistivitytypical silicon nitride nozzle uses: application: spray nozzles injectors burner nozzles sandlast nozzles it also wildly used in differrent industry: petrochemical nozzles agriculture nozzle textile nozzles papermaking nozzle chemical nozzle electronic and electrical nozzle
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Wear Resistant Alumina Ceramics

Wear Resistant Alumina Ceramics
  • Materials 99% Alumina
  • Density 3.98
  • Vickers Hardness 11.5Gpa
  • Working Temperature 1650
  • Thermal Conductivity 24.8
  • Compressive Strength 2300Mpa
  • Flextural Strength 358 Mpa
  • Thermal Shock Resisitance 250
  • Rockwell hardness HRA85-90
Specification 99 % Alumina Ceramics: High Bearing Producing Method: Hot pressing Dry pressing Customized Size ISO Certificate Factory Details Description Alumina ceramic feartures: Good mechanical strength Excellent electrical insulation High-frequency loss Good thermal conductivity Heat, Wear and corrosion resistance Resistance to high temperaturesProperties Performance index Test Condition Measuring unit Alumina 99% Al2O3 % 99 Bulk Density gcm3 3.96 Water absorption % 0 Compressive strength MPa 350 Maximum Use Temperature 1650C ROHS Hardness 89 Flexural strength 20 C MPa (psi x 103) 2600(377) Coefficient of thermal expansion 25-1000 C 1X 10-6C 8.2 Coefficient of thermal conductivity 20 C Wm K 30.4 Thermal Shock Resistance Tc C 200 Dielectricity constant 1MHz.25C 9.7 Dielectric strength ac-kVmm (ac Vmil) 8.7 (220) Volume Resistivity 100
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