(1)Standard:
110×16×9,110×20×10,105×20×10,120×24×10,110×26×10,130×30×10,110×30×10,130×35×10,150×35×10
Can design other standards according to customers' requirements
(2) Physical performances:
1.Density:2.9-3.1g/cm3
2.Resistivity:300-2000υΩ/cm
3.Porosity:≤10%
4.Thermal expansion coefficient :(4~6)×10-6cm/cm°C
5.Temperature coefficient of resistance:(5~6)×10-4/°C
6.Max working temperature :750°C
(3) Tehnology standard:
1.Length:L±0.5
2.Width:B-0.1
3.Thickness:H±0.18
4.Bending strength:≤0.5mm
5.Undersurface roughness :≤0.1mm
6.Two sides nonparallelisn:≤0.2mm
(4)Using conditions:
1.working current:400-900A
2.working voltage:5-15V
3. working temperature:1300 - 1750°C
4.evaporation rate:0.3-0.5g/ minute /cm^2
5. service life :10-15hours
(5)Properties of products:
1.Good thermal performance and good stability.
2.Good insulativity, Abrasion-resistance
3.Good processing performance, Precision can reach 0.01mm
4.Good chemistry stability,can not reaction with Metal And acid.
5.Pierce Infrared and microwave,absorption neutron
6.non-poisonous
(6)Application:
As melting aluminum and zinc sulfide, using in vacuum evaporation technology.
