PRIMER SN

Mapei

PRIMER SN

Two-component fillerized epoxy primer, in compliance with the Radon gas tightness standards
SKU: MAPEI-PRIMER-SN-895

About this itemMAPEI CERTIFIED

  • Two-Component System: Composed of component A (16 kg) and component B (4 kg), mixed in an 80:20 ratio. TWO-COMPONENT EPOXY PRIMER
  • High Adhesion Strength: Achieves an adhesion strength of 3.20 N/mm², exceeding the EN 13813 standard requirement of ≥1.5 N/mm². RADON GAS PROTECTION
  • Radon Gas Protection: Certified to prevent radon gas penetration as per DIN ISO/TS 11665-13 standards. CERTIFIED TO DIN ISO/TS 11665-13 STANDARDS
  • Wide Application Temperature Range: Can be applied in temperatures ranging from +8°C to +35°C. MAPEI CERTIFIED

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Uses & Advantages

Primary Uses

  • Adhesion promoter for epoxy and polyurethane coating products
  • Adhesion promoter for self-leveling and multi-layered coating products
  • Adhesion promoter for synthetic mortar flooring
  • Adhesion promoter for Ultratop, Ultratop Living, and Ultratop Loft coatings
  • Fluid adhesive for sealing cracks and creating structural bonds

Key Advantages

  • Prevents radon gas penetration into buildings (DIN ISO/TS 11665-13 certified)
  • Can be applied on moderately damp surfaces
  • Enhances adhesion of resin coating systems
  • Compatible with Quartz 0.5 for improved surface evenness

FEATURES & BENEFITS

TECHNICAL DATASHEET SPEC

Two-Component System

Composed of component A (16 kg) and component B (4 kg), mixed in an 80:20 ratio.

High Adhesion Strength

Achieves an adhesion strength of 3.20 N/mm², exceeding the EN 13813 standard requirement of ≥1.5 N/mm².

Radon Gas Protection

Certified to prevent radon gas penetration as per DIN ISO/TS 11665-13 standards.

Wide Application Temperature Range

Can be applied in temperatures ranging from +8°C to +35°C.

Durable Performance

Achieves full hardening in approximately 7 days at +23°C and 50% relative humidity.

Primer SN is a two-component, fillerized epoxy resin-based primer designed for preliminary priming treatments on surfaces prior to the application of epoxy and polyurethane resin systems or self-leveling cementitious mortars. Developed in MAPEI's R&D laboratories, Primer SN offers excellent adhesion promotion, surface preparation, and radon gas protection, making it ideal for civil and industrial flooring applications.

Key Specifications

Origin: UAE
Mixing RatioComponent A : Component B = 80 : 20
Workability Time at +20°C30 minutes
Application Temperature+8°C to +35°C
Dust Dry Time at +23°CApprox. 6 hours
Set to Foot Traffic at +23°CApprox. 24 hours
Full Hardening Time at +23°CApprox. 7 days
Packaging / Pack Size20 kg kits: Component A = 16 kg, Component B = 4 kg.
Certified standard values under UAE climate conditions.

Key Performance Benefits

  • Two-Component System

    Composed of component A (16 kg) and component B (4 kg), mixed in an 80:20 ratio.

  • High Adhesion Strength

    Achieves an adhesion strength of 3.20 N/mm², exceeding the EN 13813 standard requirement of ≥1.5 N/mm².

  • Radon Gas Protection

    Certified to prevent radon gas penetration as per DIN ISO/TS 11665-13 standards.

  • Wide Application Temperature Range

    Can be applied in temperatures ranging from +8°C to +35°C.

  • Durable Performance

    Achieves full hardening in approximately 7 days at +23°C and 50% relative humidity.

Storage & Handling Guidelines

  • Store in original unopened container in cool, dry indoor conditions.
  • Keep away from direct sunlight, rain, and extreme heat.
  • Shelf life is 12 months when stored properly between +5°C and +35°C.
Product packaging

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FREQUENTLY ASKED QUESTIONS

Q&A TECHNICAL HUB
The consumption of Primer SN is approximately 0.3-0.7 kg/m² per coat, depending on the substrate's roughness, absorbency, and temperature.

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