Description
Tremco PUMA Primer is a methyl-methacrylate (MMA), two-component primer for porous and non-porous substrates. It is used in Tremco’s polyurethane methacrylate (PUMA) technology systems. Tremco PUMA Primer must be used with Tremco PUMA Initiator+.
Material Use:
TREMCO PUMA PRIMER is a two-component primer based on methyl methacrylate (MMA), used for both porous and non-porous substrates. It is specially designed for use within polyurethane methacrylate (PUMA) technology systems developed by Tremco, serving as a bonding agent to improve adhesion before the application of base layers.
System Components:
TREMCO PUMA PRIMER is an integral component in the Tremco systems and must be used together with TREMCO PUMA INITIATOR for proper activation. It is used in conjunction with systems like Vulkem® EWS and TREMproof® PUMA, where it precedes the base coat application of TREMCO PUMA BC.
Applications:
This primer is applied to concrete, metal, and wood substrates as a preparatory layer before installing TREMCO PUMA BC base coat. It is part of waterproofing and traffic coating systems.
Application Details:
- Substrate Requirements: Concrete must be water-cured and have a minimum compressive strength of 3000 PSI for pedestrian traffic or 4000 PSI for vehicular traffic. Surface preparation should achieve an ICRI profile of #3–#4.
- Moisture Conditions: Concrete moisture content must be below 6%, measured with a Tramex CME 4 meter.
- Surface Preparation: Surfaces must be clean, dry, and contaminant-free. Mechanical surface prep (grinding, sandblasting) and solvent cleaning may be necessary.
- Curing Time:
- Initial cure: 3 minutes (ASTM D1640)
- Dry time at 75°F and 50% RH: 1 hour at 17 mils thickness (ASTM D1353)
- Solids Content: 100% by weight
- Packaging: Supplied in 6-gallon pails
- Do not dilute.
- Do not apply to wet or contaminated surfaces.
Special Notes:
- Must be used as part of a system with the appropriate PUMA base and top coats.
- Application techniques may vary depending on jobsite and environmental conditions.
- All application details should be cross-checked with Tremco’s technical services or Eucomex representatives to ensure compliance with project-specific requirements.
- Rapid cure allows for fast recoat windows and overall efficient installation sequencing.
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