Improve the stability of aluminum paste in water-based aluminum paste
Improve the stability of aluminum paste in water-based aluminum paste
Water-based aluminum paste is a new material that people love and hate.
On the one hand, the water-based aluminum paste can bring a dazzling metallic luster to the otherwise plain paint film appearance. On the other hand, water-based aluminum paste is difficult to use. Not all engineers can make water-based silver paint, even if the choice of raw materials is fine. This includes many problems, such as: flatulence, gelation and many other problems. Let's learn about specific applications.
How to improve the stability of aluminum paste in water-based aluminum paste:
1. The choice of water-based aluminum paste is very important
Water-based aluminum paste is a key part of determining the quality of water-based silver paint. If the water-based aluminum paste is selected, the water-based silver paint is half the battle. The stability of water-based silver paint mainly depends on the stability of water-based aluminum paste, and the stability of water-based aluminum paste depends on the acid and alkali resistance of the water-based aluminum paste coating layer.
Like the passivation silver we often say, it itself is covered by a thin passivation film, which is very fragile and has a limited stabilization time. This is the reason why passivation silver must be used now, because it itself The coating process determines that it is difficult to store for too long.
In comparison, the stability of the secondary coating type water-based aluminum paste is better, and there are also subdivisions. For the specific quality, you have to test the products of each water-based aluminum paste manufacturer yourself.
2. The formulation design of water-based silver paint is very important
Due to the particularity of the water-based aluminum paste, it is very important to choose the resin system and the type of additives that are more compatible with the water-based aluminum paste. Generally, the pH value of water-based aluminum paste is around 7-8.5, so everyone must ensure the matching of the system to ensure that the water-based aluminum paste can be stored in the water-based silver paint for a long time without gelling or foaming.
The above content is an introduction to how to improve the stability of aluminum paste in water-based aluminum paste. Since the main component of aluminum paste is aluminum, its stability is limited by various aspects. In particular, the stability of the most popular water-based aluminum paste in the water-based coating industry has become the number one problem for many manufacturers. "Water-based silver paint will swell after being left for a period of time", "water-based silver paint is full of bubbles", and "water-based aluminum paste reacts" has become a problem that every water-based coating company must face.
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Dimanche 12 octobre 2014
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