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This remarkable material is a form of polyacrylamide with similar properties to our existing hydrogel. It is capable of absorbing many times its own weight in water but, unlike other hydrogels, it expands rapidly when it gets wet to form a snow-like mass. Injected into a stream of high pressure water, it emerges as the high pressure snow seen on TV and film sets.
Ideal for science investigations, and as the raw material for snow machines that pupils design. It is non–toxic and re–useable. As a rough guide a large handful of powder will produce a bucketful of snow.
