Bostik N-40 Primer Datasheet Bostik N-40 Primer

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  • Description for Bostik N-40 Primer

    Primer was developed for use on anodized and mill-finish aluminum and most other metals.

    *See Terms of Use Below

    Application Type Surface Primer, Cleaner
    1 Part or 2 Part 1-Part
    Material Form Liquid
    Substrate Metals, Rigid plastics, Non-porous substrates, Most metals, Non-porous rigid plastic, Ferrous
    Manufacturer Bostik
    Chemistry Solvent-Based
    Application Temperature (°F) 50 to 95
    Color Colourless
    Stain Resistance Non-staining
    Elastomeric Elastomeric
  • Technical Data for Bostik N-40 Primer

    • Application Type
      • Cleaner – For Substrates - Cleaner
      • Primer - Surface Primer
    • 1 Part or 2 Part
      • 1-Part
    • Material Form
      • Liquid
    • Substrate
      • Non-Porous Substrates
      • Metal - Metals, Most metals, Ferrous
      • Plastic - Rigid plastics, Non-porous rigid plastic
      • Other - Non-ferrous substrates
    • Chemistry
    • Cure Method
      • None
    • Color
      • Clear / Transparent - Colourless
    Cure Specs
    Application Temperature (°F) 50 to 95
    Dry Time (min) 1.00, Fast, 5.00 to 10 Fast
    Material Resistance
    Stain Resistance Non-staining
    Elastomeric Elastomeric
    Other Properties
    Specific Gravity 0.8 (g/ml)
    Business Information
    Shelf Life Details Store in cool, dry conditions out of direct sunlight below 30°C and away from naked flame or sources of heat. Store according to Dangerous Goods regulations. Shelf life is 12 months if stored in cool, dry conditions in original, unopened containers.
    Shelf Life Temperature (°F) <86
    Shelf Life (mon) 12
  • Best Practices for Bostik N-40 Primer

    *See Terms of Use Below

    1. Surface Preparation

      Prior to applying Bostik N40 Primer the substrate must be sound, dry, clean and free from any dust, residue or contamination and meet the requirements of substrate preparation detailed in the applicable Sealant or membrane Technical Data Sheet. Bostik primers, sealants or membranes must not be applied to unpredictable absorptive surfaces such as marble, limestone or granite unless a standard of appearance has been agreed upon as a result of testing for stain and/or discoloration.

      The primed substrate must be clean and dry, e.g. no free or ponded water or condensation, before the sealant/adhesive or membrane system is applied.

    2. Application

      Two Cloth Method: Dampen a clean cloth with Bostik N40 Primer and spread evenly over the non-porous substrate using a cleaning/rubbing action

      With a second clean cloth, immediately wipe all primer residues off with a buffing action

      Allow the substrate to dry for a minimum of 5 minutes before installing the backing rod, sealant/adhesive or waterproof membrane system

      Do not leave the primer longer than 4 hours before applying sealant/adhesive

      Re-prime if 4 hours has elapsed without applying sealant/adhesive.

      Re-prime if affected by rain, dust or other contaminants after application.

    3. Clean-Up

      Mop up spills with cloth or paper. Clean up with Bostik Handy Wipes.

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