Sikaflex® 221 300ml - Black

Multifunctional adhesive and sealant with a broad adhesion spectrum

Sikaflex®-221 is a versatile, one-component polyurethane adhesive sealant, ideal for use in a wide range of applications including metals, primers, paints (two-component systems), ceramics, and plastics. It bonds effectively to various surfaces with minimal pre-treatment, making it perfect for creating permanently elastic joints. Resistant to different weather conditions and ageing, it ensures durable, flexible seals with strong adhesion. Available for bulk purchase, offering wholesale discounts for large orders, making it a cost-effective solution for manufacturers, retailers, and caravan repair professionals.

• Good adhesion to a wide range of substrates
• Resistant to ageing
• Can be sanded and painted over

Product advantages

• Good adhesion to a wide range of substrates
• Resistant to ageing
• Can be sanded and painted over
• Tested according to EN45545-2 R1/R7 HL3
• Non-corrosive
• Low odour

Application

Sikaflex®-221 adheres well to a variety of substrates and is suitable for elastic, durable sealing. Suitable substrates are metals, primers and paints (two-component systems), ceramic materials and plastics. Follow the manufacturer's recommendations before using Sikaflex®-221 on materials at risk of stress cracking. Preliminary tests must be carried out with original materials to avoid stress cracking. This product is only suitable for experienced users. To ensure adhesion and material compatibility, preliminary tests must be carried out with original materials under the respective conditions.