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The corrosion resistance of Neodymium magnet is considered poor, surface coating is highly recommended for Neodymium magnets. With the expansion of elevators, wind turbines and permanent motors application, the users need higher requirement on corrosion resistance of Neodymium magnet, as the glue cohesiveness of unplated magnet is much better than plated magnets, also unplated products are better in the security. Now, more and more customers tend to use unplated magnets, upon this condition we have developed ultralow weight loss magnets after the continuous innovation and study. Normally, the weight loss test is over 150mg/cm² in the industry of Neodymium magnet, this will be different for magnets produced from different material formulation and manufacturing process. A lot of our new magnets can reach to 1mg/cm², (Testing condition HAST standard for 168hrs), due to its very low weight loss, the corrosion resistance is excellent

Antiblock properties are required for film and flexible packaging production. Antiblock additives enable the reduction of adhesion (also known as “blocking”) between 2 film layers, which results in much better handling both during production and during later use of the product.