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FU QIANG,established in 1964, original from Liling Physical & Chemical Porcelain Factory. Covering floor space of more than 40,000 square meters, over 500 employees and up to 40 junior and senior technicians. Being association unit in Chinese Mechanical Engineering Society and Engineering Ceramics Professional Committee; as the secondary network supplier for SINOPEC and CNPC and appointed supplier to BASF,BAYER etc.top-level group. system and quality assurance system, the product technical indexes accord with national and international standards,get approved by ISO9001 international quality system authentication. Specialized in producing laboratory porcelain and special pottery and other kinds of heat-resisting, acid-resisting, wear-resisting and insulating ceramic pieces, various Foundry casting materials and Refractory ceramic materials etc. The goods are widely exported to the America, Australia,Europe,Southeast Asia,Middle East... as well as wide distributions in domestic markets, gain positive criticism from all the customers.
Principle:Novation, Integrity, Persistent, Concentration.We wholeheartedly hold skilled, reliable and warmly work spirit, excellent and stable quality, perfect sales service for global customers, due diligence for industrial ceramics field!
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Package Details:1,Packed in cartons
2,Wooden case
3,Request for Customers
Delivery Time: Upon receipt of 30% deposit by TT within 20-30days delivery .



Alumina ceramics with superior strength, hardness, insulation, thermal conductivity, high temperature, oxidation resistance, corrosion resistance, abrasion resistance, high temperature strength and other characteristics, it has been widely used in engineering, mechanical seals, electronics, instrumentation, sensing, transport, communications, and other occasions or areas. The content of 99.7%, 99%, 95% alumina products contains the crucible, sockets, valves, electrodes, spools, wear board, alumina balls, electronic porcelain, textile porcelain pieces, and other shaped pieces.
95%,99%,99.7% Al2O3 Material Parameters:
Item | Test Condition | Unit Symbol | 95%Alumina ceramics | 99%Alumina ceramics | 99.7%Alumina ceramics |
The main chemical ingredient |
|
| Al2O3 | Al2O3 | Al2O3 |
Bulk Density |
| g/cm3 | 3.6 | 3.89 | 3.96 |
Maximum Use Temperature |
|
| 1450°C | 1600°C | 1650°C |
Water absorption |
| % | 0 | 0 | 0 |
ROHS Hardness |
|
| ≥85 | ≥89 | ≥89 |
Flexural strength | 20° C | MPa (psi x 103) | 358 (52) | 550 | 550 |
Compressive Strength | 20° C | MPa (psi x 103) | 2068 (300) | 2600(377) | 2600(377) |
Fracture Toughness | K(I c) | Mpa m1/2 | 4-5 | 5.6 | 6 |
Coefficient of thermal expansion | 25-1000° C | 1X 10-6/°C | 7.6 | 7.9 | 8.2 |
Coefficient of thermal conductivity | 20° C | W/m °K | 16 | 30.0 | 30.4 |
Thermal Shock Resistance | Tc | °C | 250 | 200 | 200 |
Dielectricity constant | 1MHz.25°C |
| 9 | 9.7 | 9.7 |
Dielectric strength |
| ac-kV/mm (ac V/mil) | 8.3 (210) | 8.7 (220) | 8.7 (220) |
Volume Resistivity | 100°C | ohm-cm | > 1013 | > 1014 | > 1014 |
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