How to clean cement for aluminium alloy door window joints? The method is as follows:
1. If it is cement that sticks to aluminum alloy dry, the cleaning method: First soak the cement with water, soak the cement, and then deal with the situation: you can carefully break off the small cement accumulation by hand. Large cement blocks are carefully removed with wood boards (the wood boards are loose in texture and will not hurt the aluminum alloy surface). Then gently wipe it clean with a wet cloth. The black mark left on the surface of aluminum alloy is oxide film of the aluminum alloy damaged by cement curing. Clean it with wet cloth, but it is impossible to completely remove it. You can buy aluminum alloy paint spraying. It can be wiped with gasoline plug, that is, it is labor-saving and will not harm the aluminum alloy. Chemical reagents cannot be used. It will destroy aluminum alloy door and window profile of the surface treatment layer.
2. If it is some non-stick cement particles, you can use the strong blowing barrel at home to blow them out.
3. You can try gasoline plug-in, which is labor-saving and will not harm aluminum alloy.