VCI bags are made of VCI vapor rust inhibitor, which can protect metals and other materials anytime and anywhere in the permitted environment.
Good quality VCI bags can last for 2 to 3 years, but the poor quality will not last so long. Then buy When, how to test its anti-rust ability.
The anti-rust function is a key indicator to measure the quality of VCI products. Recognition of the function of rust prevention is the most important step in choosing VCI products.
The anti-rust function test is generally divided into two categories: objective condition test method and artificial accelerated test method.
The objective condition test method is to test in a warehouse or a louver. The former is to pack the metal sample in a vapor rust-proof bag and place it in the warehouse to protect it from acid-base atmosphere and rain and snow, and prevent direct sunlight;
In the latter, the louver box is placed in the field, the air in the box should be communicated with the outside atmosphere, and the sample subjected to vapor phase rust prevention is placed in the middle of the louver box.
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