Some Views On Composite Fabrics
On the composite fabric, I have the following personal views:
1.eVENT fabric has the best comprehensive performance of waterproof, wind, moisture and moisture.
The waterproof performance of 2.GORE fabric is better than that of waterproof.
The H2NO fabric of 3.PT is best in terms of composite quality and elasticity. Most fabrics have moisture permeability less than that of EVENT and GORE. However, some types of fabrics have better moisture permeability than GORE fabrics and EVENT fabrics.
Next is to talk about the same fabric, whether it is 2L or 3L.
The following is a copy of this student's view on the composition of 3L material.
1- surface cloth (not to mention the outward side of XCR, all sprayed with DWR).
)
2- adhesive (or glue or glue film) is actually seen by the naked eye as a fine powder.
)
3-PFTE film (white, elastic, somewhat like softened gum.
)
4-PU thin film may be called coating, which GORE company never mentioned, but without it XCR will soon become poor due to the blockage of the micropores. The membrane is also a moisture permeable membrane. The water molecules should be guided to the other side of the membrane so that water vapor can be steamed through the pores of the ePTFE film.
The first generation of GORE-TEX has no PU membrane.
)
5- adhesive
6- bottom cloth.
)
What is the material composition of 2L?
1- surface cloth (not to mention the outward side of XCR, all sprayed with DWR).
)
2- adhesive (or glue or glue film) is actually seen by the naked eye as a fine powder.
)
3-PFTE film (white, elastic, somewhat like softened gum.
)
4-PU thin film may be called coating, which GORE company never mentioned, but without it XCR will soon become poor due to the blockage of the micropores. The membrane is also a moisture permeable membrane. The water molecules should be guided to the other side of the membrane so that water vapor can be steamed through the pores of the ePTFE film.
The first generation of GORE-TEX has no PU membrane.
)
The above is the composition of 2L and 3L composites. I have been discussing a question. If the composite material is exactly the same, which one do you think is more breathable?
In addition, some test data show that the moisture permeability of 2L is worse than that of 3L (Note: This is what the student said). What causes 2L to breathe worse than 3L when the assumption is true?
Personally, I think 2L is more breathable.
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