Metallographic sandpaper cannot be used up at once, or if stored for a long time, it is afraid of mold, deterioration, and failure to thresh. Once this situation occurs, one can only endure the pain of giving up&# 8217& Flash; Throw it away, it hurts so much!


Chaineng editor has encountered this situation before, and the customer is distressed, but the editor is even more distressed. After all, they are all bought with money, and what they throw away is money. In order to avoid the heartbreak happening again, the editor provides some feasible suggestions for managing metallographic sandpaper to his friends, and has collected them for future use.

    The common deterioration Failure cause cause of metallographic sandpaper is that, in addition to the mildew failure caused by moisture, another Failure cause cause is mainly due to the falling off of abrasive particles caused by the failure of binder. The failure of the adhesive is due to either prolonged exposure to sunlight or exposure to sunlight, or due to its expiration date. Normally, the validity period of the adhesive is three years, so it can be properly managed. Metallographic sandpaper can be used normally for three years, which does not include normal wear and tear.


For newly purchased metallographic sandpaper, it is generally packaged in paper boxes or sealed plastic bags, and is not used temporarily without opening. Storage and management mainly focus on moisture-proof, direct sunlight or exposure. It can be placed on a cool and dry warehouse shelf or in a laboratory storage cabinet, which meets the storage conditions for metallographic sandpaper.


It should be noted that whether the metallographic sandpaper is placed on a shelf or in a storage cabinet, it should be placed flat to avoid longitudinal compression and deformation of the sandpaper, which may cause creases and affect its use.

    For metallographic sandpaper that is being used repeatedly, after each use, in addition to thoroughly cleaning, it should be drained and kept dry. It is important to ensure that after each use, the surface of the metallographic sandpaper is thoroughly rinsed with clean water multiple times to remove debris and impurities. If it is not necessary to store it temporarily, it is better to use a hair dryer to dry it and then place it in a storage drawer. Continue to maintain a cool and ventilated environment to avoid mold. Note that the storage drawer is preferably an open type, which is both ventilated and easy to access.

    When using metallographic sandpaper to prepare samples, during the gap between sample preparation or when replacing the next layer of metallographic sandpaper, the washed metallographic sandpaper should be placed on a small drainage rack and allowed to naturally drain and air dry. Note that a certain distance and gap should be maintained between multiple drainage racks to facilitate air circulation.
The above management methods have been implemented to ensure that your metallographic sandpaper will not deteriorate or become ineffective for a long time.