In contrast to our usual request for making images larger, we are now reducing some of our own images for use on our website by creating banners. These banners only need a resolution of 72ppi and the file sizes are kept really small so that they load quickly on the web. Here’s a preview of…
Natural rubber, India rubber or caoutchouc consists of suitable polymers of the organic compound isoprene, with minor impurities of other organic compounds plus water. Forms of polyisoprene that are useful as natural rubbers are classified as elastomers. Currently, rubber is harvested mainly in the form of the latex from certain trees. The latex is a…
A washer is a round, flat piece of hardware with a hole in the centre that is often placed between a screw or nut and a surface in order to increase tension. Rubber washers are used in applications that require a tight seal and those that are exposed to water, humidity or other liquids as…
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