Questions and answers about GORE-TEX® – Wash and care with TexCare
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What is GORE-TEX®?
GORE-TEX® is a so-called PTFE (polytetrafluethylene) membrane. (PTFE is also known under the trademark TEFLON, which is used, for example, in paneling paneling). The GORE-TEX® material is strong, elastic and highly resistant to various chemicals. Furthermore, it has an extremely low adhesion (everyone knows the ‘slip-light’ effect – the food is not burning.). The membrane is ultra thin (fraction of one millimeter thick) and it is so-called semipermeable (= semi-permeable). The diaphragm permits water to steam, while water in a drop form can not pass. This is due to the difference in size: Vapor molecules are the order of magnitude less of a water in a drop form. Water has the physical characteristic that it has a surface tension / (adhesion) that allows drops to form, which, as said, are many times larger than water molecules.v
The basic material used in both clothes and shoes. The most important ingredient of a GORE-TEX® product, the membrane itself, is usually not visible. Nevertheless, it is crucial to the function. In 1969 Bob Gore invented a way to expand the polytetrafluoroethylene to a microporous material. This material, PTFE, proved to have a completely unique combination of properties. Until then there were materials that allowed water vapor to flow through and other materials that were completely watertight but not material that had both of these properties. Bob Gore’s expanded PTFE membrane is currently known under the trademark GORE-TEX®. This material has pores, voids between the fibers. These voids are 20,000 times less than a water drop, but 700 times larger than a water vapor molecule. This makes the material completely waterproof while the moisture can penetrate. In addition, the material has been shown to have a wide range of other properties (temperature and chemical resistance, high abrasion resistance, electrical insulation), which means that new applications are still being discovered every day. In order to carry on the unique features of a jacket or pair of pants, the GORE-TEX® membrane is always laminated to one or more layers of fabric. The outermost layer of fabric is most often impregnated, so the rain drops to peel off and roll down the surface of the garment. All seams in GORE-TEX® clothes or shoes are taped with a specially designed super strong but flexible tape to make them fully watertight. Would you like to know more about the secret of the GORE-TEX® material?
Then click on https://www.gore-tex.com/
How does GORE-TEX® work?
The openings in the diaphragm are so large that they allow water to pass through steam, but at the same time the openings are so small that water in a drop form is kept back. Vapor molecules are several times smaller than water drops. Vapor from the inside is released, but water on the outside remains outside, so the footwear is 100% waterproof. The GORE-TEX® feature is double: The footwear must be 100% waterproof, but the feet should breath at the same time. Get rid of the steam that results from the muscular work in your feet. Moisture from the feet must be able to get away so the indoor climate remains well. Wet / moist feet are an excellent cold bridge, and cold, sticky feet have given many days of sickness before the GORE-TEX® was invented. As active feet separate surprisingly large amounts of steam / water (up to one cup of water a day), something needs to be done efficiently.
Where is the membrane located?
The membrane is protected between the upper and the lining (see figure 1 above). On both sides of the membrane, on both the inside and the outside, lies a protective layer. These protective layers prevent the membrane from being damaged by wear from the inside and friction from stitches, clips, etc. on the outside of the membrane.
Should GORE-TEX® footwear be impregnated?
As such, the GORE-TEX® membrane does not need any kind of care, but it is a good idea to impregnate and care footwear with diaphragm. A brand new shoe / boot should be impregnated sometimes before it is put into use (also like under the soles) – whether it is leather, textile or other material. The purpose of impregnation is not to improve the actual watertightness – for the sake of the membrane. The purpose is almost like growing a car: Properly impregnated, the materials become highly dirt and water resistant.
How is it best to dry GORE-TEX® footwear?
The GORE-TEX® itself is a very stable and strong material that can withstand high degrees of heat. Ie You can dry (children) boots in the drying cabinet. However, you should be aware that leather can not tolerate heating too much as it dries out. The best way to dry leather is to take the insoles out of the footwear and in good old fashioned fashion, wipe the boots with newsprint (or kitchen roll) inside – at room temperature. After that, the leather must have new nutrition in the form of a care product.
How do you maintain GORE-TEX® shoes and boots?
The most important rule is not to use silicone-containing care products, as they close the membrane and hence for the breathing function – turning the boot into a non-breathable ‘rubber boot’. All the usual care products may be used, but it is important that the declaration on the care product indicates that the care product can be used for GORE-TEX®.
ECCO GORE-TEX® boots / shoes are generally produced in 3 types of materials
Oil nubuck / nubuck
In ancient times, before GORE-TEX®, you heavily impregnated with silicone and lubricated a thick layer of fatty leather. It’s also OK because it protects the leather and makes it almost waterproof. But at the same time breathability disappears, so the feet “boil”. Leather fat is therefore not a good idea anymore.
Use TexCare Impregnation Spray. Also spray the footwear under the soles. Impregnation ensures that the leather does not absorb so much water and does not take much of it against dirt. Water is also a problem when you wipe the footwear because leather that is soaked by water in the long run will crack. For daily maintenance: Use shoe polish in the leather color. Shoe polish is to some extent cosmetic but also contains wax that further protects the footwear and adds it to the fat. TexCare Leatherlotion also supplies the necessary fats that prevent the leather from cracking and is uncoloured.
Oil nubuck: Impregnated as leather and maintained with a beeswax spray agent, eg Rustical. (Oilnubuck is leather that is wiped up and then applied a thin-flowing waxy grease.)
Nubuck: Impregnated and maintained with TexCare Impregnation Spray. Rues possibly. up with a suede pad before impregnation.
Textiles: TexCare Impregnation Spray is used here – also in the daily.
How do I maintain my GORE-TEX® clothing?
Do not worry about washing your GORE-TEX® clothes. The clothing’s function, comfort and service life will only improve when it is washed when necessary.
Always impregnate after washing.
Wash and clean with TexCare
As a rule, follow the washing instructions that are in the clothes. Most clothes can be machine wash at 40 ° C. Use a mild detergent and do not use a rinse aid or bleach. Rinse the laundry several times. If you need to remove strong stains, use TexCare Stain Remover. You should always test the color density of the substance in a place that can not be seen. Gen-impregnate always after washing.
Protect GORE-TEX® with TexCare Impregnation!
After each wash and long-term use, we recommend re-impregnating the clothes. The GORE-TEX® membrane remains completely waterproof, but impregnation helps the outermost layer of the clothing to reject dirt and water. TexCare is extremely suitable.
How do I protect my GORE-TEX® shoes?
Wash the shoes in lukewarm water and, if necessary, use a brush if they are very dirty. Let the shoes dry at room temperature. Leather shoes should be sprayed with TexCare Impregnation, which appears to be repellent to dirt and water. Then lubricate with shampoo, or TexCare Leatherlotion. The leather stays soft and smooth, without covering the pores and thus impairing breathability.
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