Aerosol Dust and Dirt Hardener Spray for Forensics is a quick-drying, clear acrylic formula that adds strength to an impression.
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Quick-drying, clear acrylic formula adds strength to an impression—lessening the chance of damage to the detail due to the weight of the casting material. Spray a thin coating on the print you wish to cast. 15-oz is enough for 30 full-size, adult shoe impressions. Use with the BioFoam Footwear Impression (Catalog No. AP7755) and Shake-N-Cast™ Impression Kit (Catalog No. AP7754), available separately. Simply press, spray, pour—three fun and easy steps to create permanent footwear castings! Press the footwear into the unique BioFoam block, spray a thin coating of Dust and Dirt Hardener, and then mix and pour in the Shake-N-Cast ready-to-use casting material. You can also use the Shake-N-Cast and Dust and Dirt Hardener to cast prints from soil or sand.