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The rubber mixture for hockey puck is very often secret. Can some of you have some ideas, how could be recipe for hockey puck conceived?
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In many rubber recipes (for NR, SBR, ...), that contain peroxides as a vulcanization agent, there is used also zinc oxide. Do you know, what is the reason for that, when there is no sulfur?
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During our rheological measurements, we have often solved one problem. We measure viscosity on an extrusion machine equipped with a rheological head. We need the value of density of rubber (ex....
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