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  1. Acoustement Plaster 40/Pyrok, Inc./2025-10-10

    Open the PDF · HPD 42041

    Expiration Date: 2028-10-10

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    Pyrok Acoustement Plaster 40 is a 40 PCF (air-dried density) gypsum plaster/exfoliated vermiculite spray-applied formulation that is 100% free from asbestos, mineral fibers, polystyrene and cellulose. This product is highly abuse resistant…

  2. Acoustement Plaster 20/Pyrok, Inc./2024-01-18

    Open the PDF · HPD 36742

    Expiration Date: 2027-01-18

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    Pyrok Acoustement Plaster 20 is a 20 PCF (air-dried density) gypsum plaster/exfoliated vermiculite spray-applied formulation that is 100% free from asbestos, mineral fibers, polystyrene and cellulose. This product can be troweled to a…