PPG PR-148 AF is a one-part, aromatic-free adhesion promoter that enhances the bond of polysulfide sealants to a wide variety of substrates. It is applied by brush or clean gauze, and is also available in the Prim Stick package with an integrated foam applicator that reduces VOC emissions.
Properties (typical)
- Colour: blue
- Dry time at 23 °C / 50% RH: 30 minutes
- Specific gravity 0.8; flash point -5 °C (23 °F)
Application
- Clean surfaces with solvent and a new lint-free cloth; dry with a second clean cloth before the solvent evaporates
- Apply a uniform thin coat by brush, gauze or Prim Stick; allow 30 minutes to dry
- Do not apply below 7 °C (45 °F); apply sealant within 8 hours, otherwise re-clean and re-apply
- Do not use if the product contains particles or precipitate; see SAE AIR 4069 for surface preparation
Notes
- Recommended with PPG polysulfide sealants such as PR-1776 and PS 870
| Packing | 250 ML |