The new blackboard is smooth and can t write, what did you do yesterday?

Write a few more times, wipe a few more times, new blackboards tend to have a certain smoothness, so we have to write many times to make it have a certain friction.

The new blackboard is smooth, not easy to write, I have encountered this situation before, usually use a small watering can to spray a little water on the chalk, so that the chalk head part is slightly wet, the water must not be too much, more water to write on the blackboard The words will take a while to dry, and the pen head is easy to fold.

You can try to spread a layer of chalk ash, or break the chalk to increase the contact area.

If there is such a problem with the new blackboard, the agreement will contact the after-sales service to replace the motherboard.

You can see if the film on the blackboard has been torn off, and then again.

How to deal with the smooth blackboard and can't write words.

Li Xiaomin Library.

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When a blackboard has been used for a long time, some areas are too smooth, and the friction effect with the chalk is not good, resulting in the inability to write, if the blackboard is not replaced, how can that part be written.

Make the chalk damp, or choose a less hard chalk. It's best to find rough sandpaper to sand.

The black paint of the blackboard brush is not used properly, it should be brushed with a special calcium grease blackboard paint, now it is too slippery to write, indicating that there is grease on it, so wipe the water with a rag into water droplets, now you can use sandpaper sand to go to the surface, and then use calcium grease blackboard paint to brush it. The Education Bureau should know these truths.

1. The black paint of the blackboard brush is not appropriate, and the special calcium grease blackboard paint should be brushed, and now it is too slippery to write this core, indicating that there is grease on it, so wipe the water with a rag.

It has become a drop of water, and now you can use sandpaper sand to remove the surface, and then brush it with calcium grease blackboard paint.

2. Use sandpaper to gently hit the blackboard, you can write on the words, or sprinkle a little water on the light Zheng Shan lightly, sprinkle a little water, and sprinkle a little less water.

Question 1: What should I do if I can't write on the blackboard 5 points 1Rub it with a rough, dry rag a few more times and try it to see what I've done Useful.

2.Dip a rag in thin rice porridge, wipe it on the blackboard, and let it dry. Time-tested.

3.One. Brush once with millet broth and air dry quickly.

Apply white chalk to the second base, and then wipe it off.

Three. Replace a chalkboard.

Question 2: What should I do if I can't write on the blackboard Brush another layer of paint, and it's fine, but it will break down again after a few days, so the solution once and for all is to replace the old blackboard.

Question 3: What should I do if I can't write on the blackboard The rag has oil, right? Change to a new rag and try it with a washer.

Question 4:; What should I do if I can't write on the blackboard after a long time? Re-painting will be changed to rent a good nuclear omen.

Question 5: How to make the blackboard unreadable and wax it.

Problem 6: The blackboard is too slippery to write and can't write on the empty What should I do Before writing, soak the chalk first, and then write on the blackboard, maybe it will be better, try it.

Question 7: What should I do if the blackboard is stained with oil and can't write? Alcohol is spilled, take a dry cloth, and wipe it slowly.

Question 8: What should I do if I can't write on the blackboard 5 points 1Rub it with a rough, dry rag a few more times and try it to see what I've done Useful.

2.Dip a rag in thin rice porridge, wipe it on the blackboard, and let it dry. Time-tested.

3.One. Brush once with millet broth and air dry quickly.

Apply white chalk to the second base, and then wipe it off.

Three. Replace a chalkboard.

Question 9: What should I do if I can't write on the blackboard Brush another layer of paint, and it will be fine, but it will break down again after a few days, so the solution once and for all is to replace the old blackboard.

Question 10:; What should I do if I can't write on the blackboard after a long time? Just repaint.

If it is glass or plexiglass, it can be brushed with a grindstone.

It is to rub a grinding stone on its surface to reduce its smoothness.

Wooden chalkboards can also be sanded, but they should be painted with black paint at the end.

Blackboard hail shirts are generally made of wooden boards or frosted glass, etc., and can be written on with specific writing materials such as chalk. It is mostly black, dark green, white or beige.

Question 1: The blackboard is too slippery and can't be written, what should I do if I can't write 10 points The Internet says that it is sandpaper.

I think you might have made the Huizen chalk tip too sharp, so try touching the blackboard with chalk over a large area.

Is your blackboard written with a pen or chalk?

Question 2: What should I do if the blackboard is slippery? Apply it with some anti-slip agent, then dry it with a rag, and if it doesn't work, you can change it to a blackboard.

Question 3: What should I do if the chalk is too slippery and the chalk can't be written Chalk can be bought with some water.

Question 4: Is there any solution to the problem that the blackboard that has been used for a long time in the class is too smooth to write, but the blackboard cannot be replaced? 10 points Dip the chalk in an appropriate amount of water, although it is still not clear when you first finish writing, but after a few seconds the water dries, it will become clear.

If you can spray paint on the blackboard, you can spray a coat of paint when no one is on holiday.

Problem 5: The blackboard is too slippery to write How to do filial piety Before writing, soak the chalk first, and then write on the blackboard, maybe it will be better, try it.

Question 6: What should I do if the blackboard in the class is too slippery to write You can use sandpaper sand to remove the surface, and then brush it with calcium blackboard paint.