Sikaflex 252 - Polyurethane construction adhesive 300ml

Capacity: 300ml

Sikaflex 252 is a flexible one-component polyurethane adhesive specially designed for bonding large components in vehicle construction. Suitable for bonding coated metals, GRP laminates, ceramics and plastics.

POSSIBLE COLLECTIVE PACKAGING:

• Carton - 12 pcs.

SCOPE OF APPLICATION

Sikaflex 252 is suitable for joints subject to dynamic stresses. It is suitable for bonding wood, metals, especially aluminum (including anodised), steel sheet (including phosphated, chromated and galvanized), metal primers and paint coatings (2-component systems), ceramics and plastics.

The manufacturer's advice should be sought before use on plastics prone to stress cracking. This product is for experienced professional users only. Testing with actual substrates and conditions should be performed to ensure adhesion and material compatibility.

PRODUCT ADVANTAGES

• It bonds well to a wide range of substrates
• Capable of withstanding high dynamic stresses
• Good gap filling properties
• Paintable
• Vibration damping
• Electrically non-conductive

CHEMICAL RESISTANCE

Sikaflex 252 is generally resistant to plain water, seawater, dilute acids and dilute alkaline solutions; temporarily resistant to fuels, mineral oils, vegetable and animal fats and oils; not resistant to organic acids, glycolic alcohol, concentrated mineral acids and caustic alkaline solutions and solvents.

APPLICATION METHOD

Surface preparation

Surfaces must be clean, dry and free from grease, oil, dust and contamination. Additional surface preparation depends on the specifics of the substrate and is crucial for a long-term bond. For surface preparation suggestions, refer to the current issue of the relevant Surface Preparation Guide. It should be taken into account that these suggestions are based on experience and must in any case be verified by tests on the original substrates.

App

Sikaflex 252 can be applied between 10 °C and 35 °C (ambient and product) but changes in reactivity and application properties should be considered. The optimal temperature of the substrate and adhesive is between 15 °C and 25 °C.

Please note that the viscosity of the adhesive increases at low temperatures. For easier application, the adhesive should be conditioned at room temperature before use. To ensure a uniform thickness of the joint, it is recommended to apply the adhesive in the form of a triangular bead.

Smoothing and finishing

Smoothing must be done within the open time of the adhesive. It is recommended to use Sika Tooling Agent N for smoothing. Other smoothing agents must be tested for suitability and compatibility beforehand.

Removal

Uncured Sikaflex 252 can be removed from tools and equipment with Sika Remover 208 or other suitable solvent. After curing, the material can only be removed mechanically. Hands and exposed skin should be washed immediately using hand towels such as Sika Cleaner-350H or a suitable industrial hand cleaner and water. Do not use solvents on the skin.

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