21
2023-07
Analysis of the Real Difference between National Standard Cable and Non-standard Cable
The cost is calculated by the weight of copper. At the beginning, it was effective, but the national standard ignored a problem. Your copper is an oxygen-free rod, but not a non-standard one. When the weight of scrap copper and oxygen-free rod is the same, the price difference between scrap copper and oxygen-free rod is 10%. Therefore, the national standard cable made great efforts to publicize, and finally failed. The difference between the national standard and the non-standard guarantee was 10%.
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21
2023-07
Analysis of the characteristics of PVC wire winding film
PVC wire wrapping film, a brand-new packaging material, its material has ultra-thin, strong, transparent, self-adhesive, low temperature resistance and other characteristics, is an ideal packaging material, especially suitable for packaging chemicals, electronic parts, building materials products, rubber, low brick, ceramic tile, screw, wallpaper, leather
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21
2023-07
How to determine how much wire and cable to use
The formula in this section does not directly point out the current carrying capacity (safe current) of various insulated wires (rubber and plastic insulated wires), but "the cross section is multiplied by a certain multiple" to show that it is obtained by mental calculation. It can be seen that the multiple decreases with increasing cross-section.
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