Effectiveness of anti-dust mite covers: why pore size is more important than threads count

When choosing bed linen or a mattress cover, we often hear about the count threads per square centimeter. This figure is even sometimes considered a guarantee of quality. But in the case of anti-mites, which are medical devices, it's not the threads that matters most—it's the size of the fabric's pores.

A thinner wire = more threads , but not necessarily more protection

It's true that a fabric made of threadsthreadsthreads threadsthreadsthreadsthreads threadsthreadsthreadsthreads threadsthreadsthreadsthreads threadsthreads can be achieved… with threads very fine. And threads can leave larger pores between them. It's these pores, these tiny openings between the threads, that determine allergens dust mite

What really matters is the size of the pores, which are the "holes" through which allergens can pass.

Let's take two examples:

• Texaal® Cotton contains 271 threads/cm²,
• Texaal® Polyester exceeds 1000 threads/cm².

And yet… their anti-mites is identical. Why?
Because it is not the number of threads that determines performance, but the pores fabric threads.

Thanks to the weaving technique Texaal®, all our covers have a pore size of less than 5 microns, which is much smaller than the allergenic particles of dust mites, which are generally larger than 10 microns.
To achieve this performance, we adjust the threads according to their thickness : the yarn used in Texaal® Cotton is thicker than that of Texaal® Polyester, which explains why fewer threads are needed to provide equally effective protection.

The result: allergens cannot penetrate Texaal®, regardless of the material used or the threadsper cm².
And this effectiveness is maintained even after 100 wash and dry cycles, as confirmed by tests carried out in an independent laboratory.

A medical device designed within a strict quality framework

Our anti-mites are manufactured under a quality system certified to ISO 13485:2016, the international standard specific to medical devices. This guarantees:

• safety ​ Product
• Its performance/efficiency
• Its medical utility in the management of dust mite allergy.

Clinical results to support this

Beyond technical tests, clinical studies validated and published have demonstrated a reduction of more than 62%* in symptoms experienced by allergy sufferers using our anti-mites. This result testifies to their real-world effectiveness.

*_{Impact of using anti-dust mite covers manufactured according to an ISO 13485 certified process on the quality of life of allergy patients – A follow-up study of 52 patients – C. Martin, A. Vanlaeys, L. Salles & T. Porée (2019) – World Allergy Congress 2019}

In summary: don't rely solely on the number of threads /cm²

count threads can give an idea of ​​the weave, but it's not enough to judge the quality and effectiveness of a anti-mites. What matters is the pore size, which determines the fabric's ability to filter allergens.