Product | Thermal Conductivity W(m*K) | Thickness | Operating Temperature | Environmental Restrictions | processing difficulty | ||||||||
Metal sheet | Red copper | Isotropism | 401 | Min 0.03mm | With the increase of temperature, the thermal conductivity first increases and then decreases | Some metals are not resistant to oxidation and corrosion | Low | ||||||
Brass | 118 | ||||||||||||
Aluminum | 218 | ||||||||||||
Iron | 42-90 | ||||||||||||
Graphite based materials | Natural graphite | X-Y | 300-700 | X-Z | 15-20 | Min 0.03mm | With the increase of temperature, the thermal conductivity decreases | Oxidation resistance | Low | ||||
Artificial graphite | 700-1600 | 15-20 | Min 0.017mm | Medium | |||||||||
Graphene film | 15-20 | 15-20 | 0.35mm | Extremely high | |||||||||
VC heat pipe | Conduction direction 5000-100,000 | 2-5mm | 0-100 | Red Copper, brass are not resistant to oxidation and corrosion, it has a certain oxidation resistance after surface treatment | High | ||||||||
VC soaking plate | (easily affected by steam chamber capacity, metal material, vacuum degree and manufacturing process) (compared with heat pipe, VC soaking plate has larger heat transfer area and better uniform temperature performance) | 3.5-4.2mm (The ultra-thin type can reach 0.3mm, but the thermal conductivity will decrease) | High |