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Urefil 15 Micro-Balloons Filler Gallon 0.7 Lbs (799776)
URE-FILŪ 15 - micro-balloons that can be added to Smooth-On urethane plastics and epoxies to create very light weight castings . Castings which float on water can be created by using proper proportions of URE-FILŪ 15. A casting resin filled with a large proportion of URE-FILŪ 15 can be described as a 'syntactic foam' . Syntactic foams are non-expanding foams which are stiffer, stronger and more water resistant than water-blown expanding urethane foams of the same density.
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Urefil 15 Micro-Balloons Filler 5 Gallon 3.5 Lbs (799777)
URE-FILŪ 15 - micro-balloons that can be added to Smooth-On urethane plastics and epoxies to create very light weight castings . Castings which float on water can be created by using proper proportions of URE-FILŪ 15. A casting resin filled with a large proportion of URE-FILŪ 15 can be described as a 'syntactic foam' . Syntactic foams are non-expanding foams which are stiffer, stronger and more water resistant than water-blown expanding urethane foams of the same density.
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