Moisture resistance is crucial in the paper industry to ensure products can withstand moisture and meet industry standards. Wet strength is presented as a percentage of dry strength, with a standard of 10-15%. Manufacturers add chemicals and additives to improve resistance and increase product lifespan.
Moisture resistance is a term used in the paper industry to describe the ability of a paper product to resist damage when moistened. All types of paper products, from tissue paper used in gift wrapping to brown paper bags, are tested to determine how tight the products are when placed in some sort of liquid or moisture. Standards are set for different types of products, based on the chemicals used to strengthen different paper compounds and the configurations to be used in manufacturing those products.
Typically, wet strength is presented as a percentage of the dry strength of a paper product. This means that when wet, the product should still be able to withstand the same type of load or strain, up to a certain percentage. With many common household paper products, the industry standard for wet strength is 10% to 15% dry strength.
Measuring moisture resistance is important for a couple of reasons. It has to do with meeting and possibly exceeding industry standards. This is especially important as these standards are typically set to meet minimum government strength and durability requirements for various types of paper products. By testing the performance of the paper when subjected to a certain amount of moisture, it can be determined whether the strength is sufficient to meet those standards and can reasonably be considered safe for use.
Another reason measuring moisture resistance is so important has to do with generating sales and building a reputation for quality among consumers. As consumers will want to receive the highest possible quality for their money, this means that products such as paper towels for kitchen use will be judged on factors such as absorbency and the ability to stay intact during use. use. Towels that hold up well when used to clean spills, wipe down counters, or clean windows are more likely to attract a loyal customer base based on how long they last.
To improve moisture resistance, manufacturers often add chemicals and other additives during the manufacturing process. A popular option with some types of paper products is to add a quantity of resin to the paper. Other times, treating the exterior of the product with some sort of wrap or sealant will also help increase the overall life of the product.
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