Copper Heatsink 40*40*1mm/3mm/5mm Computer PC Laptop Notebook Heat Conduction Cooling Plate Block Board Sheet

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Reminder:

Please note,We just produce cutting copper, the surface of the copper sheet we have no processing grinding( the surface is not smooth,non-specular surface), There may be a little scratches.

The edges and corners of copper sheets are not always cut neatly (90 degrees).

You can use sandpaper gently grinding the surface , it will become a smooth surface.

There are tolerance in the cutting of copper plates(1mm-2mm),

If you are very strict about the precision and size of the product, please carefully consider before buying.

Pure Copper: red copper, has good electrical conductivity and thermal conductivity, excellent plastic andeasy hot and cold pressure processing. Used extensively for the manufacture of wires, cables, brushes,EDM dedicated electric conductivity of copper corrosion and other requirements of a good product.Features: High purity, fine organization, the oxygen content is very low. Nonporous, trachoma, loose excellentconductive properties, high surface accuracy, the heat treatment process, the electrode had no direction,suitable for playing fine, fine playing, good thermal channel, workability, ductility, corrosion resistance andweather and so on.Uses: Can be used in electrical appliances, distilled construction and chemical industry, especially electricalterminal printed circuit board, with copper wire shielding, bus terminal. Electromagnetic switch, pen, house rootpanels.The proportion of copper is: 8.89g / (mm) ,copper Cuge99.95% ,oxygen O <003 , Conductivity ge57ms / m2,hardness ge85.2HV ,Brinell hardness (HB) 35- 45.

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