国产精品成人无码久久久,性大毛片视频,中国少妇内射xxxxⅹhd,久久se精品一区精品二区

Nano-Chromium carbide

Technical Parameters

Note: according to user requirements of nano particle can provide different size products.

Product performance

        Nano-Chromium carbide powder, has high purity, particle size uniform dispersion of good, a=2.821、b=5.52、c=11.46,The relative density is 6.68, melting is 1890, boiling point is 3800℃, thermal expansion coefficient is 10.3×10^-6/K.

Application direction

        1 the abrasion resistance film;

        2 semiconducting film.

Storage conditions

        This product should be stored in dry, cool and sealing of the environment, can not be exposure to air, in addition should avoid the heavy pressure, according to ordinary goods transportation.

Sub-micron-Chromium carbide

Technical Parameters

Note: according to user requirements of nano particle can provide different size products.

Product performance

        The density is 6.613g/cm³ density, melting point is 1895 degrees Celsius, the color of chromium carbide is grayish, acid resistance.

Application direction

        Add Cr₃C₂ in the production of carbide can not only improve grain refinement WC strength and hardness of the alloy and can significantly improve the corrosion resistance of alloy in industrial production is widely used for corrosion of alloy structural materials (gauge, valves, sealing, etc) in spray welding and surfacing to request both corrosion resistance and high performance of the hardfaced hanliao; Widely used in stainless steel, heat-resistant steels, corrosion resistant steel, alloy steel smelting special production.

Storage conditions

        This product should be stored in dry, cool and sealing of the environment, can not be exposure to air, in addition should avoid the heavy pressure, according to ordinary goods transportation.