Alumina Ceramic Beads
- Application: Industrial Ceramic
- Type: Insulated Ceramic
- Specification: according to customer requirements customize
- Material: Alumina Ceramic
- Trademark: superb
- Origin: China
|Name: electric tube porcelain beads, heat pipe porcelain beads|
|Material: 95 alumina ceramic|
|Features: high temperature, high pressure, high dielectric strength, no leakage|
|Applicable to all kinds of metal heating pipe, heating pipe insulation|
Alumina ceramics are currently divided into two types of high purity and common type. High purity alumina ceramic Al2O3 content of 99.9% or more of the ceramic material, because of its sintering temperature of up to 1650-1990 ºC, transmission wavelength of 1 ~ 6μm, generally made of molten glass to replace the platinum crucible: the use of its light And alkali-resistant metal corrosion for sodium lamp; in the electronics industry can be used as integrated circuit substrate and high-frequency insulation materials. Ordinary alumina ceramic according to Al2O3 content is divided into 99 porcelain, 95 porcelain, 90 porcelain, 85 porcelain and other varieties, sometimes Al2O3 content of 80% or 75% were also classified as ordinary alumina ceramic series. 99 alumina ceramic is used for the production of high temperature crucible, refractory tube and special wear-resistant materials, such as ceramic bearings, ceramic seals and water valve, etc .; 95 alumina ceramic is mainly used for corrosion-resistant, wear parts; Due to the incorporation of some talc, improve the electrical properties and mechanical strength, with molybdenum, niobium, tantalum and other metal sealing, and some used as electrical vacuum device devices.
Cordierite (2MgO · 2Al2O3 · 5SiO2) as the main crystal phase of the ceramic:
The compressive strength is 280 ~ 500MPa. Tensile strength of 25 ~ 40MPa. Bending strength of 50 ~ 60MPa. Impact strength 1.8 ~ 2.2cm · kg / cm2. Linear expansion coefficient (1.1 ~ 1.8) × 10-6 (20 ~ 100 ºC). The average thermal conductivity is 3.35 ~ 5.02kJ / (m2 · h · ºC) (0 ~ 100 ºC). Resistant to hot and cold temperature of 300 ~ 500 ºC. Insulation resistance 2.3 ~ 5.6MΩ · cm (400 ~ 600 ºC). Dielectric loss tangent 200 × 10-4 (50Hz); 40 × 10-4 (500Hz). The refractoriness is about 1400 ° C.
Insulator for Water Geyser Heater:
Insulator for Water Geyser Heater is used to allow the electric energy to water geyser heaters. Being a client based company we offer a high quality range of Insulator for Water Geyser Heater at competitive prices, as these are widely used in electrical applications. Our range is available in various specifications and extensively used for heat and power distribution in both commercial and industrial construction. These are durable enough for resisting high which proves useful and safe in applications. They are available in various specifications as per the clients requirement.