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Sika Primer 3N

Sika Primer 3N

📋 Product specifications are for reference only.

All product details should refer to the official manufacturer documents. For official product data sheets or technical enquiries, please contact us via WhatsApp.

Quick Summary:

Sika Primer-3 N is a solvent-based one-component epoxy resin primer for porous substrates (e.g. concrete) and metal substrates, enhancing adhesion of Sikaflex, SikaHyflex, SikaBond and Sikasil sealants and adhesives. Clear liquid, single coat by brush or roller.

Features

  • Effectively enhances sealant and adhesive adhesion
  • Easy application — single coat by brush or roller
  • Good water resistance
  • Short flash-off time
  • Clear liquid, does not affect appearance
  • Suitable for porous and metal substrates

Applications

  • Priming before Sikaflex sealants
  • Priming before SikaHyflex sealants
  • Priming before SikaBond adhesives
  • Priming before Sikasil silicone sealants
  • Pre-treatment of porous (concrete, mortar) and metal surfaces

Why Choose Sika Primer-3 N

  • Adhesion guarantee: Purpose-designed companion primer for Sika sealant systems
  • Wide compatibility: Concrete, mortar, porous substrates and metals
  • Fast workflow: Apply sealant once primer has dried
  • Simple operation: Single coat, no repeat application needed
  • Mostly in stock: Mong Kok collection or HK delivery

Packaging

ItemSpecification
Packaging1 L bottle, 4 per carton
AppearanceClear liquid

For detailed technical data, refer to the Sika TDS.

Important Notes

  • Use within 1 month of opening
  • Discard if gelled or separated
  • Primer promotes adhesion — does not replace proper substrate cleaning
  • Apply one coat only
  • Reseal immediately after each use
  • Substrate must be clean, dry, sound, free of oil and loose particles
  • Apply sealant only after primer has dried; do not exceed open time
  • Contains solvents — ensure ventilation. Refer to MSDS before use.

FAQ

Is Sika Primer-3 N a sealant?

No. It is a primer to improve adhesion of subsequently applied Sika sealants and adhesives.

How long after priming can sealant be applied?

Apply sealant once primer has dried. Refer to the TDS for specific timing and maximum open time.

What substrates is it suitable for?

Porous substrates (concrete, mortar) and metal. Refer to the Sika Pre-treatment Chart for pairing.

How much area does one bottle cover?

Coverage depends on substrate absorbency and joint width. Refer to TDS for details.

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