Water Absorbent Materials

Water activities are so easy to set up and perfect for young kids to play and learn with science.

Water absorbent materials.

They are called porous. Porous materials are materials having small holes that allow air or liquid to pass through. These materials absorb water. Absorbent fabrics are hydrophilic meaning they attract water.

Roa santa maria west central school schools division of ilocos there are a lot of materials that water will not soak in to. Choices were tissue paper cotton sponge and fluff pulp. Fun water absorption experiment for kids what absorbs. Other record breaking water absorbent materials include sodium methacrylate hygroscopic zeolites and poly n isopropylacrylamide coated cotton fabrics.

Traditional water absorbing materials mention about the water absorbing material you may think of many absorbing materials such as cotton napkins sponge anhydrous calcium chloride soda lime allochroic silica gel or activated carbon. Louis mo debrisan rtm from pharmacia of sweden and separan rtm ap30 from dow chemical co. The water absorbent capacity of these types of materials is only up to 11 times their weight and most of it is lost under moderate pressure. Natural fibers like cotton hemp and bamboo are made of cellulose whose sugar molecules can break water s surface tension so that it moves into the spaces between fibers and into the fibers themselves.

These are commercially under trade names sephadex from sigma chemical co. Made of nanostructured anhydrous magnesium carbonate this material is capable of absorbing several hundred times its weight in water even in low humidity conditions. Thirsty the original water eater a 100 organic super absorbent product produced by sheen kleen inc is the only product of its kind that can absorb 1000 of its weight in water soapy water caustics or oil. The most preferred super absorbent material is a cross linked dextran derivative which absorbs between 2 and 10 g of water per gram of dry material.

Every day materials and supplies become awesome preschool science experiments. Until the 1920s water absorbing materials were cellulosic or fiber based products. But these materials can absorb only several or dozens of times its weight. Explore absorption as you investigate what materials absorb water with this fun experiment below.

Water attraction is called hygroscopy. 4 5 out of 5 stars 992. Thirsty the original water eater can prevent water damage and save valuable time spent cleaning for every home and office.