x1 Sikaflex 621 White PU Bonding & Sealing Adhesive 300ml Cartridge

Sikaflex-621 White PU Bonding & Sealing Adhesive – 300ml Cartridge

Sikaflex-621 by Sika is a high-performance, one-component polyurethane (PU) adhesive and sealant based on Purform® technology. It cures through exposure to atmospheric moisture and is designed for a wide range of professional bonding and sealing applications.

With primerless adhesion to suitable metals, plastics and paint coatings, it offers reliable performance and can be painted after curing.

Key Features

• Brand: Sika Sikaflex

• Product: Sikaflex-621

• Colour: White

• Size: 300ml cartridge

• Technology: One-component moisture-curing polyurethane (Purform®)

• Paintable: Yes, after curing

• Adhesion: Primerless adhesion to suitable metals, plastics and paint coatings

• Weather Resistance: Good resistance to weathering and ageing

• Low Emissions: Less than 0.1% monomeric diisocyanate

Applications

Suitable for bonding and sealing in:

• Vehicle repair and automotive applications

• Industrial manufacturing

• Appliances and building components

• Interior and exterior applications

• Timber, metals, plastics and painted surfaces, subject to compatibility testing

Technical Information

• Shore A hardness after curing: Approximately 35

• Elongation at break: Approximately 600%

• Service temperature: -50°C to +90°C

• Skin formation time: Approximately 45 minutes

• Application temperature: +5°C to +40°C

Package Includes

• 1 × Sikaflex-621 White PU Bonding & Sealing Adhesive, 300ml cartridge

Important Information

Intended for experienced users. Always check the manufacturer's technical data sheet before use. Carry out an adhesion test on the original materials and follow the recommended surface preparation and application instructions.