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There are few products in the world that are flawless and without fail. Garment production, even through the use of machines, still has human influence and with that influence comes error. When waterproofing garments fail, it's often in the seams and is a result of failing sealing tape or bad stitching. With professional garments, these failures can put professional at risk. To minimize this and ensure that garments boasting waterproofing meet specific standards, professional clothing is tested to EN343 standards for both waterproofing and breathability.

EN343 is designed to set standards and requirements for testing the seams of clothing where those garments are intended to repel and [link widoczny dla zalogowanych] prevent moisture from seeping through. Garments designed to be waterproof typically use some kind of [link widoczny dla zalogowanych] bonding material or sealing tape in the seams where thread punctures the waterproofed fabric, so it's necessary to test these regions for compliance and performance.

There are numerous certifications for performance, durability, tensile strength, wash requirements and more. [link widoczny dla zalogowanych] Each have their own pictogram representing the performance level of [link widoczny dla zalogowanych] the garment. In the case of the EN343 test for seam waterproofing and the quality of sealing tape, an umbrella [link widoczny dla zalogowanych] is pictures with water running off of it. The picture will have an X and a Y value where the X value of EN343 relates to the waterproofing of the material and the Y value indicates how permeable the garment is where [link widoczny dla zalogowanych] vapor is concerned. This [link widoczny dla zalogowanych] relates specifically to how well the garment breathes at the seams.

The X value in the pictogram represents the overall waterproofing [link widoczny dla zalogowanych] of the safety or professional garment. The X value is broken down into three classifications. The lowest score is a 1 which represents the least amount of protection - essentially the minimum standard for waterproofing with sealing tape. A [link widoczny dla zalogowanych] value of 3 represents the best score for a garment on waterproofing. The score is determined by a testing facility applying pressurized water to the garment as it checks for leaks and moisture passage.

The Y value, focusing on [link widoczny dla zalogowanych] how well the garment breathes, also has three classifications. The lowest classification is 1, representing the poorest breathability. 3 represents the highest or best breathability. These two classifications help to determine how [link widoczny dla zalogowanych] long the garment should be worn. As garments age and are worn, the waterproofing of the sealing tape wears out and seams allow more moisture through.

EN343 is an extremely important testing process for professional garments, especially safety gear. While it has less of an impact on casual wear and outdoor clothing, as rain poses little threat to the individual, professionals working in a hazardous environment need to trust in their [link widoczny dla zalogowanych] garment and components like seam sealing tape in order to stay safe and protected in their work clothing.
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This is especially true for factory workers who handle chemicals, paints, corrosive liquids that can damage organic material, positions with prolonged exposure to moisture, mold and mildew and of course any position where workers are exposed to biohazards in liquid form. Because manufacturing processes can be off, and errors can occur, regular testing [link widoczny dla zalogowanych] to EN343 [link widoczny dla zalogowanych] ensures that manufacturers adhere to quality in their production processes. With sealing tape, it's not just about keeping people dry during recreational activities. It's also about keeping professional workers safe and in good health.