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Gilson MSA-120 and MSA-121 Circular Paper Discs prevent hot-mix asphalt samples from sticking to baseplates or compaction heads in Marshall or Superpave Gyratory Compaction Molds. The discs are 0.007-0.008in thick and made of 100lb paper stock, and meet ASTM and AASHTO standards.
MSA-120 is for both 4in and 100mm molds and available in a package of 1,000, while MSA-121 discs are used with 6in and 150mm molds, and sold 500/package.
MSA-120: 3.0lb (1.36kg)
MSA-121: 4.0lb (1.81kg)
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