Two of the main materials used to make mattresses are memory foam and polyurethane. But what are these materials and how do you know which one is the right choice for you? If you’re looking for ...

Considering the raw materials used to build the polyurethane polymeric architecture, this handbook attempts to link data and information concerning the chemistry and technology of oligo-polyols for ...

The foam in the Nolah Original is neutral polyurethane foam (made at the 3Z factory). This type of foam is lighter and more forgiving -- meaning that it doesn't leave you feeling like you're stuck ...

Description: 20-2024 is a low viscosity, two component, closed cell urethane foam. This is a rigid, non-CFC containing foam. 20-2024 can be used for potting, encapsulating, thermal insulation, ...

Charlie Cadin isn’t like any other surfer-shaper you know. He’s not from California, or Australia, or Hawaii, or even New ...

The following prizes were awarded: Individual First Prize (staff): Dr Harry Wright, Department of Chemistry - Developing a free and open source low-cost alternative for measuring polyurethane foam ...

Chemical reactions make new chemicals ... The mixture should start to foam as the sodium bicarbonate reacts with the ethanoic acid and produces bubbles of carbon dioxide gas.

Once the mixture forms a chemical reaction, a blowing agent is added to make it expand into foam ... While the two types of organic compound (polyols and diisocyanates) are considered safe, the ...

Methane is the most famous volatile organic compound (VOC) in our atmosphere. This week, our host George Zaidan follows up on a Reactions subscriber’s question about the 600 teragrams of a less famous ...

Swarms of what appear to be ladybugs are surrounding, and even entering, homes across the Chicago area right now, but they ...