How to make ammonia glue for melamine dipped paper
Ammonia glue is one of the raw materials of melamine dipped paper. It is mainly made of tung oil. How is it made? Let's find out together.
First, pour the tung oil into the pot, pay attention to leave a certain space, because there will be expansion during the later heating process to become glue, hold the pot by hand, so that it is evenly heated on the fire, The first half of the cooking process is very simple. You don’t need to pay special attention to it. The oil will boil slowly. This is a normal phenomenon. We can use a small wooden stick to stir in a clockwise direction, which can reduce the bubbles in the boiling. production. When the oil starts to smoke, stop the high heat and switch to medium heat. Remember that the stirring is always going on and cannot be stopped, so that the impurities and water in the oil can be cleaned up. When the oil becomes viscous, even if the ammonia glue is made, it can be used after it is left to cool.
The above is the production process of ammonia glue for melamine dipped paper. Do you know anything about it? This is the traditional production method. Now factories will use machines for production, but the production principle is the same of.