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Anonymous users2024-01-24Generally, it is included by merchants. They are also packed with ordinary styrofoam. If you need a good styrofoam, you have to buy it yourself.
Yongkang Door Expo when I saw this factory, I didn't care much about it, there was a door fair in Shanghai on September 28, and I will help you pay attention to it at that time.
Steps? This one!!! It's easy! There are no steps! First sprinkle the glue on the iron plate façade, and then specially brush the plastic plate!
It doesn't matter much, that thing is used less, and the expansion is too great.
It should be the same, it is all polyurethane, and it is also used for filling and gluing. If there must be a difference, the styrofoam used for fire doors is added with flame retardant ingredients, and the anti-theft doors are not added. (That's how I understand it).
Removal method:
1) After the styrofoam gets on the door, don't touch it, wait until it dries, just shovel it off with a shovel, and then wipe off the mark with gasoline thinner, be careful not to shovel off the door skin. >>>More