ARDEX R 90 P

Working Time

Approximately 15 minutes

Light Traffic

24 hours later

Normal Traffic

48 hours later

Full Curing

7 days later

Adhesion Strength

Approximately 15 N/mm²

Compressive Strength

Approximately 48 N/mm²

Flexural Strength

Approximately 20 N/mm²

Tensile Strength

Approximately 7 N/mm²

Abrasion Resistance

Classified as “special performance” according to BS 8204 Part 2: 2002(9).

Slip Resistance

Classified as “satisfactory” according to BS 8204 Part 2: 2002(9).

Impact Resistance

Classified as “high impact resistance” according to BS 8204 Part 1: 1999.

Technical Data Sheet

Frequently Asked Questions About ARDEX R 90 P: Self-Leveling Polyurethane Cement-Based Topcoat

What is ARDEX R 90 P: Self-Leveling Polyurethane Cement-Based Topcoat?

ARDEX R 90 P is a polyurethane cement-based floor coating that combines high abrasion resistance with chemical durability and a decorative appearance. It is an ideal solution for critical surfaces where cleanliness is paramount and a seamless finish is required. This four-component system has a working time of 15 minutes, can withstand light traffic in 24 hours, normal traffic in 48 hours, and achieves full curing in 7 days. It features excellent adhesion, compressive strength, flexural strength, tensile strength, abrasion resistance, slip resistance, and impact resistance, making it a reliable choice for demanding environments.

What are the benefits of using ARDEX R 90 P?

Using ARDEX R 90 P offers several advantages:

• High Chemical and Liquid Resistance: Protects floors from various chemicals and liquids, ensuring longevity.
• Excellent Abrasion Resistance: Provides long-lasting protection against daily wear and tear.
• Low Maintenance Cost: Reduces the need for frequent maintenance, saving time and money.
• Suitable for Food and Beverage Production Facilities: Ideal for environments requiring high hygiene standards.
• Easy to Clean: Facilitates effortless cleaning, maintaining high cleanliness levels.
• Thermal Shock Resistant: Withstands temperature fluctuations without compromising the finish.
• Wide Color Range: Available in various colors to match aesthetic requirements.
• FeRFA Classification – Type 8: Meets stringent European standards for flooring performance.

What types of surfaces can I apply ARDEX R 90 P on?

ARDEX R 90 P is suitable for a variety of dry surfaces, including:

• Concrete screeds
• Cement screeds
• Calcium sulfate screeds
• Finished surfaces prepared for bonding

It serves as a topcoat for cement-based ceramic applications, industrial flooring systems, and leveling applications. Additionally, it is ideal for high-traffic environments such as factories, heavy workshops, food processing and storage facilities, slaughterhouses, beverage production areas, dairies, and other general heavy-duty traffic areas.

How do I apply ARDEX R 90 P: Self-Leveling Polyurethane Cement-Based Topcoat?

To effectively apply ARDEX R 90 P, follow these best practices:

• Prepare the Surface: Ensure the surface is dry, clean, and free from old layers, grease, silicone, and other contaminants.
• Shake Well: Shake all four components thoroughly before application to ensure proper mixing.
• Mix Properly: Combine Components A (resin), B (hardener), C (filler), and the pigment bag as per the manufacturer’s instructions.
• Apply Evenly: Pour the mixed material onto the prepared surface and use a suitable trowel or spreading tool to achieve a self-leveling, uniform finish.
• Allow to Dry: After application, the topcoat can withstand light traffic after 24 hours, normal traffic after 48 hours, and achieve full curing in 7 days.

What are the important considerations when using ARDEX R 90 P?

When using ARDEX R 90 P, keep the following considerations in mind:

• Surface Preparation: Ensure the surface is clean, dry, and free from contaminants to achieve optimal adhesion and performance.
• Optimal Conditions: Apply the topcoat at room temperatures between +5°C and +30°C, ensuring adequate ventilation in the application area.
• Mixing Ratio: Follow the recommended four-component mixing process precisely to ensure the integrity of the topcoat.
• Application Limits: Adhere to the working time of 15 minutes to ensure proper leveling and finish quality.
• Drying and Curing: Allow sufficient drying time before subjecting the floor to traffic. Light traffic is possible after 24 hours, normal traffic after 48 hours, and full curing in 7 days.
• Avoid Dilution: The product is a four-component system and should not be diluted.
• Cleanup: Clean up any spills immediately to prevent surface defects and ensure the integrity of the finish.
• Protective Measures: Use appropriate protective gear and avoid contact with incompatible materials to prevent chemical reactions and maintain product performance.

How should I store ARDEX R 90 P to maintain its effectiveness?

ARDEX R 90 P should be stored in its original, unopened packaging in a dry environment with temperatures between +5°C and +30°C. Keep the product away from frost and direct sunlight. Once opened, ensure the packaging is tightly sealed to prevent moisture contamination and use the product within its shelf life.

What is the shelf life of ARDEX R 90 P?

ARDEX R 90 P has a shelf life of approximately 6 months when stored correctly in its original, unopened packaging in a dry, cool environment.

What is the coverage of ARDEX R 90 P?

A 28.90 kg package of ARDEX R 90 P can cover approximately 24 m², with an average consumption of 250 g/m².

What are the drying and setting times for ARDEX R 90 P?

The drying and setting times for ARDEX R 90 P are as follows:

• Working Time: Approximately 15 minutes.
• Light Traffic: Can withstand light traffic after 24 hours.
• Normal Traffic: Can withstand normal traffic after 48 hours.
• Full Curing: Achieves full curing in 7 days.

These times apply at +20°C and relative humidity between 50%, with careful ventilation of work areas and absence of drafts. Lower temperatures, higher humidity levels, and poor ventilation may delay drying.

What are the mechanical properties of ARDEX R 90 P?

ARDEX R 90 P boasts the following mechanical properties:

• Adhesion Strength: Approximately 15 N/mm²
• Compressive Strength: Approximately 48 N/mm²
• Flexural Strength: Approximately 20 N/mm²
• Tensile Strength: Approximately 7 N/mm²
• Abrasion Resistance: Classified as “special performance” according to BS 8204 Part 2: 2002(9).
• Slip Resistance: Classified as “satisfactory” according to BS 8204 Part 2: 2002(9).
• Impact Resistance: Classified as “high impact resistance” according to BS 8204 Part 1: 1999.

What areas of use are suitable for ARDEX R 90 P?

ARDEX R 90 P is suitable for both indoor and outdoor applications on dry surfaces. It is ideal for:

• Factories
• Heavy workshops
• High-traffic areas
• Food processing and storage facilities
• Slaughterhouses
• Beverage production areas
• Dairies
• General heavy-duty facilities

It is particularly useful in environments that require high cleanliness and durability, such as food and beverage production facilities, slaughterhouses, dairies, factories, heavy workshops, and other areas with heavy foot and equipment traffic.

How does ARDEX R 90 P enhance mechanical strength?

ARDEX R 90 P acts as a self-leveling topcoat that provides a strong, durable layer over concrete, cement, and calcium sulfate screeds. Its excellent adhesion properties ensure a robust bond between the substrate and the topcoat, enhancing overall mechanical strength. When used in conjunction with industrial flooring systems or leveling applications, it allows for the application of sand, further reinforcing the floor’s durability and longevity.

What safety precautions should I take when using ARDEX R 90 P?

When using ARDEX R 90 P, follow these safety precautions:

• Work in a Well-Ventilated Area: To avoid inhaling fumes.
• Wear Protective Gear: Such as gloves and safety glasses to prevent skin and eye contact.
• Follow Instructions: Adhere to the manufacturer’s instructions and safety data sheets for safe handling and application.
• Avoid Incompatible Materials: To prevent chemical reactions.