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Thermoplastic polyurethane (TPU) is any of a class of polyurethane plastics with many properties, including elasticity, transparency, and resistance to oil, grease, and abrasion. Technically, they are thermoplastic elastomers consisting of linear segmented block copolymers composed of hard and soft segments.
Hard water is water that has a high mineral content (in contrast with "soft water"). Hard water is formed when water percolates through deposits of limestone, chalk or gypsum, [1] which are largely made up of calcium and magnesium carbonates, bicarbonates and sulfates. Drinking hard water may have moderate health benefits.
As the hard segments are covalently coupled to the soft segments, they inhibit plastic flow of the polymer chains, thus creating elastomeric resiliency. Upon mechanical deformation, a portion of the soft segments are stressed by uncoiling, and the hard segments become aligned in the stress direction.
First up on our list of the 7 best laundry detergent for hard water is Loni Bio Laundry Detergent. This fragrance free option comes in a 75 washer load option that uses natural ingredients and ...
If you like your fitness trackers on the simpler side, Whoop takes things back to basics with the 4.0 Band. It’s comfortable enough for all-day wear and intuitively tracks every metric that ...
Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water. The resulting soft water requires less soap for the same cleaning effort, as soap is not wasted bonding with calcium ions. Soft water also extends the lifetime of plumbing by reducing or eliminating scale build-up in pipes
group fitness classes like Pilates, yoga, and barre. If you’re an outdoor exerciser waiting for warmer days, pick an indoor workout that’s complimentary to your sport of choice, says Dr ...
The water ball [1] is similar to the zorb but it has only one layer and is designed for water travel rather than down-hill rolling. In the United Kingdom, the balls have been used at swimming pools , marinas and lakes in an effort to keep children fit, [ 2 ] as well as for fitness and rehabilitation for people of all ages.