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How to make hand-brewed coffee filter paper compliant? What is the function of the filter cup? Share key points of filter paper folding!

Published: 2026-01-14 Author:

Last Updated: 2026/01/14, As we all know,"filter paper" is a coffee filtering appliance, mainly used for making coffee by hand. Although it is not very eye-catching compared to other hand-punching instruments, its importance is not low at all. After all, without it, hand-brewed coffee cups would not be able to exert their effects. But for most filter cups, if you want to make

As we all know, "filter paper" is a coffee filter, mainly used for hand-brewing coffee. Although it is less impressive than other hand-punching instruments, its importance is not low at all. After all, without it, the filter cups of hand-brewed coffee would not be able to play their role. But for most filter cups, if you want to give full play to your own advantages, then the filter paper must fit perfectly with it first. For example, the current popular "star"-V60 filter cup, its diversion ribs can play very little role if the filter paper is not fitted. Therefore, people will be more persistent in making coffee, first wet the filter paper! Not only for deodorization and dust removal, but also for filter paper to fit the filter cup.

Although the filter paper is easy to say, many friends' filter paper is not as smooth as imagined after it is wet. But ups and downs, uneven! Like this, ↓.

It can be seen that the filter paper is somewhat "naughty"! It will not be sensible as we want to paste and filter cup, which will have a certain impact on our extraction (obsessive-compulsive disorder friends say they can't stand it at all). Therefore, when we wet the filter paper, we have to use some small means to make it obedient and close the filter cup. In addition to the operation of wet filter paper, the standard of folding filter paper will also have a certain impact on the degree of fit. Therefore, before that, we can first understand the correct folding of filter paper!

At present, there are mainly three kinds of mainstream filter paper on the market: tapered filter paper, trapezoidal filter paper and cake filter paper. The first two are filter papers that need to be folded, so let's talk about how to fold these two kinds of filter paper! So first of all, it's tapered filter paper!

You can see that there is a stitch on one side of the filter paper. Obviously, it's telling us that we need to fold against this line. So we took advice and folded along this suture line! (you can fold a small part more, but not less.) after folding, we use both fingers to spread the filter paper, and then gently press it in the open position! This action is to shape the filter paper so that it does not easily backtrack into a piece of paper. When pressed, you can put it into the filter cup and wet it!

Although the trapezoidal filter paper has one more crease than the tapered filter paper, its operation is still the same, just a little more folded, so Qianjie is no longer mentioned here too much.

How to make the filter paper fit? In fact, it is very simple, the filter paper is not obedient because the filter paper is placed in the wrong position, so some parts of it can not find an adsorbable point after being wet by water, and finally it will be highlighted. Therefore, if we want the filter paper to stick to the filter cup, we just need to put it in the right place before wetting! And pressing is an action that helps us find the right position and make the filter paper fit perfectly!

The specific method is: when placing the filter paper, we use two fingers to press the filter paper on both sides to make the filter paper move down. When the filter paper no longer moves down, it shows that it is already in the correct position. Then at this time we inject clear water to wet, we can do the perfect fit!

This method is suitable for all types of filter paper, you can try it, so that the filter paper is simply not too simple.

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