Mapei
PRIMER PU FAST
Two-component polyurethane primer for absorbent substrates
SKU: MAPEI-PRIMER-PU-FAST-891
About this itemMAPEI CERTIFIED
- Mixing Ratio: Component A : Component B = 45 : 55 by weight TWO-COMPONENT POLYURETHANE PRIMER
- Pot Life: Approximately 35 minutes at +23°C FOR ABSORBENT SUBSTRATES
- Application Temperature: Between +5°C and +35°C PROFESSIONAL USE ONLY
- Adhesion to Concrete: Greater than 2 N/mm² (EN 1542) MAPEI CERTIFIED
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Uses & Advantages
Primary Uses
- Priming absorbent cementitious surfaces
- Preparing concrete and mineral-based substrates for waterproofing membranes
Key Advantages
- Excellent adhesion to absorbent substrates
- Fast application with a pot life of approximately 35 minutes at +23°C
- Effective sealing of surface pores for enhanced waterproofing performance
FEATURES & BENEFITS
Mixing Ratio
Component A : Component B = 45 : 55 by weight
Pot Life
Approximately 35 minutes at +23°C
Application Temperature
Between +5°C and +35°C
Adhesion to Concrete
Greater than 2 N/mm² (EN 1542)
Consumption
Approximately 0.15-0.3 kg/m² per coat, depending on substrate characteristics
Primer PU Fast is a high-performance, two-component polyurethane primer specifically designed for treating absorbent surfaces such as concrete and cementitious screeds. Developed in MAPEI's R&D laboratories, this primer ensures optimal adhesion for waterproofing membranes from the Purtop range. It is suitable for a variety of mineral-based substrates and provides excellent adhesion and surface preparation for subsequent applications.
Key Specifications
Density of Mix1.10 g/cm³
Dry Solids Content100%
Brookfield Viscosity at +23°C500 mPa·s
Dust Dry Time5 hours at +23°C
Color of MixtureLight brown
Packaging / Pack SizePrimer PU Fast is supplied in metal cans: Component A = 4.5 kg, Component B = 5.5 kg.
Certified standard values under UAE climate conditions.
DOWNLOADS & DATA SHEETS
Key Performance Benefits
Mixing Ratio
Component A : Component B = 45 : 55 by weight
Pot Life
Approximately 35 minutes at +23°C
Application Temperature
Between +5°C and +35°C
Adhesion to Concrete
Greater than 2 N/mm² (EN 1542)
Consumption
Approximately 0.15-0.3 kg/m² per coat, depending on substrate characteristics
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.
Why Buy From pilehead.com?
Genuine Mapei Product
Competitive UAE Pricing
Bulk Order Support
Fast Jobsite Delivery
FREQUENTLY ASKED QUESTIONS
The consumption rate is approximately 0.15-0.3 kg/m² per coat, depending on the substrate's characteristics.
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