The width of EF=XF=Extra Fine pen tip is about 0.24 mm ~ 0.28 mm
F = the width of the fine pen tip is about 0.28 mm ~ 0.34 mm
M = M = medium pen tip width: 0.34 mm ~ 0.44 mm
To buy a pen in a stationery store, you should first choose a pen type according to your own preferences and economic ability, and then choose it specifically. You can follow the following steps.
First of all, the rod sleeve is not damaged, and the nib is the most important. It should be installed firmly and not loose. The size of the metal particles in the nib is basically the same, and there should be no flaws. The nib is close to the tongue. Then put it on the paper according to the writing posture, and check the size of the nib seam and the elasticity of the nib.
Finally, you can inject ink to see if there is any water leakage in the water storage skin or piston cylinder; Tap the paper with the pen tip, and no water drops should come out; Mark the paper with "∞" and don't scratch it. Water is smooth; Write a few words according to your habits to see if the change of line thickness meets your own requirements.
It is impossible to choose the perfect pen that completely meets your own requirements, which requires the author to use the selected pen more and practice more frequently in order to master it skillfully and create good works with ease.
Hard-pen calligraphy generally uses black charcoal ink. This kind of ink contains colloid, and when it is used, the pen does not have a sleeve, which is easy to condense and block the nib for a long time, resulting in poor water flow and poor writing continuity. This is a small trouble that hard-pen calligraphy lovers often encounter. At this time, the pen will be cleaned and maintained.
The nib of most pens can be completely detached. We can clean the nib with a soft brush and watering can, but some pens cannot be disassembled or are afraid of damaging the nib.
At this time, you can first put the pen in a clear water basin, rinse the remaining ink repeatedly, then rinse the nib with a watering can, and pull the fine cotton thread into the gap of the nib of the pen tongue for cleaning. It can also be cleaned in general. But sometimes the residual ink will block the fine cracks in the tip of the pen, and it won't wash off, and neither will blisters. You can put your hair in and wash it.
When using a pen, in addition to regular cleaning, you should also pay attention to the following aspects. Don't press the nib too hard, don't scratch on hard and rough objects, and put on a pen cover after use to protect the nib from damage.
And pouring high-quality ink, these measures can protect your pen from damage, prolong its service life, let it serve you in the best state, and create more and better hard-pen calligraphy works.
References:
Baidu encyclopedia-pen nib