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Tremco AVC Membrane Primer is an SIS, rapid-curing adhesive primer. It dries to a non-transferable tacky film in approximately 15 minutes at 23 °C (73 °F) at 50% relative humidity. Tremco AVC Membrane Primer (WB) is a quick drying, water-based modified bitumen primer that dries in approximately 45 minutes at 23 °C (73 °F) at 50% relative humidity. It must be stirred before being used, and should not be applied whenever the temperature is below 7 °C (45 °F).
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