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Mapei Primer M is a one-component, solvent-free primer for polyurethane sealants, for use on absorbent and non-absorbent surfaces.
- For professional use
- Used to improve the bonding of polyurethane sealants on non-absorbent surfaces, such as metals (iron, steel, aluminium, copper, zinc-plated sheets), ceramic, glass and painted sheets or absorbent surfaces, such as concrete, etc
- Should also be used for joints that are in frequent contact with liquids for lengthy periods of time or exposed to high mechanical stress after they have been sealed
- May also be used to promote adhesion on membranes from the Mapei Purtop line around joints that have been made in the membrane after the maximum covering time
- Shelf life: 12 months
Professional use only - from the 24th August 2023, adequate training is required before industrial or professional use of this product.
Should you require training, visit - https://www.safeusediisocyanates.eu/
Professional use only - from the 24th August 2023, adequate training is required before industrial or professional use of this product.
Should you require training, visit - https://www.safeusediisocyanates.eu/
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Features & Benefits
- Primer M is a one-component, ready-to-use primer which is totally solvent free
- It has a base of polyurethane resins which cure quickly through the presence of humidity in the air
- Primer M is based on a formula produced and developed in Mapei’s own Research laboratories
Recommendations
- Do not apply Primer M if the temperature is lower than 5°C or higher than 35°C
- Do not apply Primer M on wet or damp surfaces
- Primer M is not suitable as a primer for plastic materials
- Avoid Primer M coming into contact with alcohol or solvents containing alcohol, they may have a detrimental effect on the curing of the product
- Do not apply too much product on the surface
- Primer M turns yellow when dry; make sure it does not go on surfaces near treated areas
- Due to the quick curing phase of Primer M with the humidity present in the air, we recommend that the package is sealed immediately after use to conserve the product not used
- If stored correctly, Primer M may be used again at a later date
Application
Preparation of the substrate:
- The surfaces to be treated must be clean, dry, and free of dust, oil, grease, and wax
Application of the product:
- Primer M is applied by brush or roller in a thin, uniform coat
- Do not apply an excess amount of the product
Storage and Safety Instructions
- Store Primer M 12 months in its original packaging in a dry place, at a temperature of between 10°C and 25°C
- Primer M irritates the eyes, skin and respiratory system
- It is also harmful if inhaled and may cause irreversible damage if used for long periods
- May cause sensitisation to those sensitive to isocyanates if inhaled or if it comes in contact with the skin
- When applying the product it is recommended to use protective clothing, gloves, goggles and a safety mask to protect the respiratory system and to work only in well-ventilated areas
- If the product comes in contact with the eyes or skin, wash immediately with plenty of water and seek medical attention
Data sheet
- Manufacturer
- Mapei
- For Use By
- Professional Use
- For Use On
- Aluminium
Ceramics
Concrete
Copper
Glass
Iron
Steel
Zinc - Application Method
- Brush
Roller - Single, Two or Three Pack
- Single
- Pack Size
- 2kg
- Consumption
- 0.1kg/m²
10-15g/m for joints with a depth of 1cm - Base Type
- Solvent-Free
- Suitable For Use On
- Aluminium
- Suitable For Use On
- Steel
- Suitable For Use On
- Glass
- Suitable For Use On
- Copper
- Suitable For Use On
- Iron
- Suitable For Use On
- Ceramics
- Suitable For Use On
- Concrete
- Suitable For Use On
- Zinc
- Application Method
- Brush
- Application Method
- Roller
- Manufacturer
- Mapei
- Product Usage Type
- Primer
- Colour Family
- Brown
Questions
Question about the product
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IMPORTANT SHIPPING & DELIVERY INFORMATION
Mapei Primer M is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.
Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.
Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.
All delivery costs below are excluding VAT