How to choose padlocks?
Padlocks, as the oldest and largest family of locks around the world, are more convenient and flexible, with extensive use. It can replace other locks, but other locks cannot replace padlock. It is a kind of more ideal prevention lock.
When choosing padlocks, you should pay attention to the following aspects.
1. The material
The lock material on the market is basically divided into stainless steel, brass, zinc alloy, iron steel and aluminum. Stainless steel, with good strength, excellent corrosion resistance, is the best lock material; Copper is more general, has superior mechanical properties, the price is also expensive; High quality zinc alloy is sturdy and wearable, and has strong corrosion resistance, easy to shape, so it is generally used to make mid-range lock.
2. Surface finishing
Surface treatment is generally electroplating, spraying and coloring, which can form a protective film to the product. Padlocks of good quality, is generally electroplated treated, with moderate coating, bright color, no bubbles, rust and oxidation signs.
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