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Posts Tagged ‘Plastic’

There are a lot of occasions in life when people need portable water filters which can easily be transported to where they are needed. This can be on a hiking or camping trip, in the time of a natural disaster, or to eliminate the need to buy and dispose of plastic water bottles. Some of these filtration devices are so small that they only weigh a pound or two, but they contain filters that effectively remove bacteria, cysts, and other contaminants from drinking water. Even if you don’t feel you have a use for such a unit at the present time, it’s a good idea to always be prepared for whatever happens. There are a lot of them to choose from, however, so you can probably use the guidance offered in this article in order to help you find what’s right for you.

Katadyn is a renowned maker of excellent water filtration equipment. For example, a Katadyn Hiker Microfilter is very small and lightweight which makes it ideal for hiking trips. Even though it is small, it can rapidly produce a high volume of water that’s free of Giardia Cryptosporidium and bacteria leaving water safe and clean for drinking and cooking.

So many people seeking a wholly organic and environmentally friendly lifestyle automatically assume any material with a chemical sounding name will cause them harm. Yet that is a notion that is so inaccurate, it is almost laughable. According to the Polyurethane Foam Association, polyurethane is produced as a result of the reaction of two organic materials: polyol (a naturally occurring alcohol) and diisocyanate (groups of isocyanates from plant or animal matter), together with water.

When the reaction takes place bubbles form and the substance expands, almost like the process of baking a pound cake. Various measures of each ingredient or different methods of mixing will produce varied consistencies and densities of foam. Some forms are hard like plastic, others are extremely soft. Depending on the density and presence of elastomers, polyurethane foam is formed into everyday materials such as all manner of fabric coatings and synthetic fibers. The durability of the foam and ability to be impervious to moisture, translates into an excellent material for outsoles and midsoles of footwear. Low density and flexible foams are perfect for bedding and upholstery.