Advantage of ceramic heat
Release date:2015-06-24 00:00 Source:http://www.pakeptc.com Views:
1, simple structure;
2, rapid heating, rapid temperature compensation;
3, the power density;
4, the heating temperature is high, up to 500 ℃;
5, high thermal efficiency, uniform heating, energy conservation;
6, no fire, safe to use;
7, long life, power failure to reduce;
8, the heating element and air-insulated, component acid and other corrosive substances;
Fourth, the main raw material:
1, substrate: with white alumina ceramic multilayer, а-Al2O3 content of not less than 95%
2, lead: the Ф0.48mm nickel wire.
3, casing, tape: Teflon, high temperature adhesive tape
4, the resistance: high-temperature materials such as tungsten
Fifth, the main properties:
1, the electrical properties
Insulation resistance: R≥5 × 108Ω [500VDC]
Rated applied voltage: 220VAC / 110VAC
Resistance: R + 10% (23 + 1 ℃) or according to user requirements of the contract.
2, aging test: applying 110% of the rated voltage in series with a diode-off three minutes of a cycle, a total of two cycles without exception.
3, the voltage boost test: each with 130VAC, 250VAC voltage, in series with a diode, a heating element is energized at each voltage without exception within 10 seconds. [For 230VAC heating sheet]
4, thermal testing: Under normal voltage, an electric substrate heat evenly, without exception.
5, the physical properties of
Density ≥3.6g / cm3
Flexural strength ≥260MPa
6. Lead Rally: axial direction is not less than 5Kgf, and the angle between the direction of the axis 45 is not less than 3Kgf.
7, the temperature performance:
Operating temperature 100 ~ 230 ℃: the maximum temperature of 500 ~ 700 ℃.
8, heating efficiency: up to operating temperature within 30 seconds.
9 Reliability: Installed after the opening 30 minutes, 30 minutes off the table as a loop, the loop 1000 after the test without exception.
Look no mechanical damage burr, cracks, corrosion, pollution, warpage of not more than 0.005mm / mm.