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potassium thiosulfate
so operators may facilitate direct contact between the abrasive and the surface area at the exact location where it's required
Allow casting to come to room temperature before handling
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Your vacuum pump must pull a minimum of 29 inches of mercury (or 1 Bar / 100 KPa)
Smooth-Cast™ 300Q Size:Trial Kit (1.9 lbs. / 0.86 kg.) potassium thiosulfateSmooth Cast 300Q liquid plastic is a quick setting, ultra low viscosity casting resin that yield castings that are bright white and virtually bubble free. Vacuum degassing is not necessary. It offer the convenience of a 1A: 1B by volume or 100A: 90B by weight mix ratio. This resin readily accept fillers (such as URE FIL 3 from Smooth On) and can be colored with SO Strong or Ignite color tints (Smooth Cast 325 series accepts pigments better than the
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