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  • Great attention should be paid to pickling of large rolls of galvanized wire. Acid is highly corrosive. Therefore, when adding acid, the acid must be poured into the water, and it is along the wall of the cylinder, and not thrown down at once, so as not to cause splashing. Remember the order of acid pouring, acid into water rather than water into acid, water into acid will cause splashing and boiling, when pouring acid must wear protective glasses, beside must ensure that there are no non-professional people watching, so as not to cause some acid splashing danger.

    black sheetrock screws

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  • The application of barbed rope is calculated in accordance with the length, but the purchase of barbed rope is calculated in accordance with the weight of the barbed rope, which causes the user is difficult to count the number of procurement confusion, so we need to understand clearly, a kilogram of barbed rope to less meters? How much does a meter of barbed rope weigh? These two problems, the procurement of thorn rope becomes very simple.

    black sheetrock screws

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    black sheetrock screws black sheetrock screws

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  • Post time: 09-05-23

    black sheetrock screws

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    black sheetrock screws black sheetrock screws

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  • Post-plating treatment (passivation, hot melting, sealing and hydrogen removal, etc.) for the purpose of enhancing protective properties, decoration and other special purposes. After galvanized, chromate passivation or other conversion treatment is generally required to form the corresponding type of conversion film, which is one of the key processes to ensure the quality of post-plating.

    black sheetrock screws

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    black sheetrock screws black sheetrock screws

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