steatite ceramic for band heater
Ceramic Band heaters
Ceramic Band Heaters provide long life and use less wattage in plastics extrusion and
injection molding applications.These band heaters are constructed with a stainless steel shroud enclosing high
quality ceramic knuckles through which run coiled high temperature
nickel-chromium element wire.Configuration choices allow selection
of one or two piece heaters,type of closure,and type of leads/post
terminals.Diameters of 2-1/4′′ or greater and widths of 1′′ to 16′′ are available.Leads normally exit 180° from gap.Options
include terminal boxes,holes,heat saver(extra)insulation,3-phase
power,dual voltages,partial coverages,European connectors,and
perforated sheaths without insualtion for air cooled
applications.To order,specify quantity,configuration,inside
diameter,width,voltage,lead length if applicable and any options.
Advantage of Ceramic Band Heaters
A. Lower Operating Cost-because of superior insulation,less heat
escapes to the air and less wattage is required to maintain barrel
temperature.Also,the heater is safer because the external surface
is much cooler.
B. Operator comfort-with the majority of the heat going directly to
your process,the ceramic band heater gives off significantly less heat to ambient air than a mica band heater.
C. Longer heater life-because all materials used are rated to
operate at very high temperatures.
D. Higher operating temperatures
E. Flexible-easy to install and remove
F. Dual heat transfer-heat is transferred through both radiation and conduction so a near
perfect fit is not required with other heaters,such as mica
heaters.
Specification
| STEATITE Main Parameter:(Chemical/physical) | | | |
| Property | Item | Unit | steatite |
| General properties | Bulk Density | g/cm³ | 2.8 |
| Color | - | White |
| Water absorption | % | 0 |
| Main Characteristics | | | Thermal Insulator |
|
| Main Applications | | | Various circuit parts |
| Mechanical Properties | Flexural Strength | Mpa | 190 |
| Elastic Modulus | Gpa | 120 |
| Vickers Hardness | Gpa | 5.8 |
| Compressive Strength 20℃ | Mpa | - |
| Fracture Toughness(k l c) | Mpa*M*1/2 | - |
| Thermal Properties | Thermal conductivity(20℃) | w/mk | 2 |
| Thermal Shock | ℃ | - |
| Coefficient of Thermal expansion (40-400℃) | 1x10-6/℃ | 7.7 |
|
|
| Coefficient of Thermal expansion (40-800℃) | 1x10-6/℃ | 8 |
| Electrical Properties | Dielectric Strength(1mhz) | kv/mm | 18 |
| Dielectric Constant(1MHZ) | 25℃ | 6 |
| Volume Resistivity | ohm-cm(20℃) | ＞10^14 |
| ohm-cm(300℃) | 10^10 |
| ohm-cm(500℃) | 10^7 |
Our company
Wuxi Special Ceramic Electrical mainly produces alumina, Silicon nitride, Zirconia, Steatite, Boron nitride,
Cordierite,mullite products, widely used in metal welding, electronic conductor, mechanics,
assembling, insulation, chemicals, instrument, textile, nuclear
industry, aerial field.We accept trial produce according to the
drawing or sample.It usually takes 15 days to finish trial
product.Mass produce usually takes 30 days.Goods' package is carton
or PLT.It can be negotiable with each other.
We mainly sell goods to toshiba lighting group in Japan and
Europe.Our aim is to deliver goods with high quality at quick
delivery date.
Quality guarantee:mass produce by 100% inspection
